Page 1 Operating Manual OPTIMOD 8685 Surround Audio Processor Version 1.0 Software...
Page 2 European Parliament, this product must not be discarded into the municipal waste stream in any of the Member States. This product may be sent back to your Orban dealer at end of life where it will be reused or recycled at no cost to you.
Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS All the safety and operating instructions should be read before the appliance is operated. Retain Instructions: The safety and operation instructions should be retained for future reference. Heed Warnings: All warnings on the appliance and in the operating instructions should be adhered to. Follow Instructions: All operation and user instructions should be followed.
Page 4 Safety Instructions (German) Gerät nur an der am Leistungsschild vermerkten Spannung und Stromart betreiben. Sicherungen nur durch solche, gleicher Stromstärke und gleichen Abschaltverhaltens ersetzen. Sicherungen nie überbrücken. Jedwede Beschädigung des Netzkabels vermeiden. Netzkabel nicht knicken oder quetschen. Beim Abziehen des Netzkabels den Stecker und nicht das Kabel enfassen.
Page 5 (2) Check the other sections of the Manual (consult the Table of Contents and Index) to see if there might be some sug- gestions regarding your problem. (3) After reading the section on Factory Assistance, you may call Orban Customer Service for advice during normal Cali- fornia business hours. The number is (1) 510/351-3500.
Page 6 20,000 volts. This is the spark or shock you may have felt when touching a doorknob or some other conductive surface. A much smaller static discharge is likely to destroy one or more of the CMOS semiconductors employed in OPTIMOD 8685. Static damage will not be covered under warranty.
Page 7 Operating Manual OPTIMOD 8685 Surround Audio Processor Version 1.0 Software...
Page 8: Table Of Contents
Calibrated Line-up Tones ....................1-21 ................1-21 ETTING UTPUT ODULATION EVELS ..............1-22 TREAMING AND ETCASTING PPLICATIONS Using OPTIMOD 8685 in Streaming Applications............1-22 Loudness ......................... 1-22 Choosing your Encoder ....................1-23 EAS T .......................1-23 RANSMISSION PC C ................1-23 ONTROL AND ECURITY ASSCODE ..................1-24...
Page 9 ROGRAMMING To Unlock the Front Panel ..................2-43 8685 User Interface Behavior during Lockout............... 2-43 Default ADMIN Passcode....................2-43 Security and Orban’s PC Remote Application............2-44 Passcodes and Software Updates .................2-44 If you have forgotten your “All Access” passcode… ..........2-44 8685 RS-232 S ......2-45...
Page 10 Distortion in Processing ....................3-4 Loudness and Distortion ....................3-4 Processing for Low Bit Rate Codecs................. 3-5 Speech/Music Detector..................... 3-6 Sound-for-Picture Applications: Controlling Dynamic Range ......3-6 Optimod 8685 in Audio-Only Applications: From Bach to Rock ......3-7 8685’ ..............3-8 BOUT THE IGNAL...
Page 11 : ..................3-70 UTOMATION To group multiple 8685s: ..................3-71 Navigation Using the Keyboard ................3-71 To Quit the Program....................3-71 About Aliases created by Optimod 8685 PC Remote Software ......3-71 Multiple Installations of Optimod 8685 PC Remote ...........3-72 8685 ............3-73 SING THE RODUCTION AND...
Page 12 Test Procedure for the Base I/O Module ............... 4-11 Table 4-4: Frequency Tolerance for Various Sample Rates .......... 4-11 Table 4-5: Sample screenshot showing a successful test ..........4-12 Table 4-6: SDI Timing & Jitter Specifications..............4-15 Section Troubleshooting ............................5-1 ................5-1 ROBLEMS AND OTENTIAL...
Page 13 ......................6-6 IRCUIT ESCRIPTION Overview ........................6-7 Control Circuits ......................6-7 User Control Interface and LCD Display Circuits ...........6-8 Input Circuits......................6-9 Output Circuits.......................6-10 DSP Circuit......................6-11 Power Supply ......................6-12 HD-SDI Module (optional) ..................6-13 ......................6-13 BBREVIATIONS ........................6-15 ARTS Obtaining Spare Parts ...................6-15 Base Board ......................6-16 CPU Module ......................6-17 Serial I/O Board ......................6-19 Base Input/Output (I/O) Board (for units without SDI) ........6-20...
Page 14 Function Description Drawing Page Power supply supervisor automati- Parts Locator Dual Power 6-51 Supply cally chooses good power supply if Drawing Distribution one of the dual supplies fails. Power Supply Input Control Schematic 1 of 2 6-52 Power Supply Failure Detector Schematic 2 of 2 6-53 I/O Board...
Page 15: Index
Function Description Drawing Page Power Supplies & Interface Schematic 7 of 17 6-87 FPGA Schematic 8 of 17 6-88 DDR SDRAM Schematic 9 of 17 6-89 Clock Oscillators Schematic 10 of 17 6-90 AES and Wordclock Sync Schematic 11 of 17 6-91 GTP Power &...
Page 16 idle gain control 3- · 44 editing 2- · 40 automation lockout 2- · 41 master attack control 3- · 44 master release control 3- · 41 AV Sync meter 3- · 2 Video Delay control 2- · 24 ratio control 3- · 44 AV sync 2- ·...
Page 17 through Win XP direct serial 2- · 72 connection to PC troubleshooting 5- · 7 CALM Act 1- · 3 connectors CBS Loudness Level meter 1- · 18 audio 2- · 6 CBS Loudness Meter 3- · 78 control center channel processing 3- · 12 Loudness Attack 3- ·...
Page 18 LO PASS 3- · 40 fetching via API 2- · 51 dialnorm Loudness Threshold 3- · 52 Main>Center Max Delta GR 3- · 63 setting value of 2- · 15 Master Threshold 3- · 52 Dialnorm MAX LPF 2- · 10 and Loudness Controller 3- ·...
Page 19 band coupling controls 3- · 60 dual-mono mode 2- · 34 delta release control 3- · 62 dull sound downward expander thresold control 3- · 59 troubleshooting 5- · 3 full modify control list 3- · 56 limiter attack control 3- · 62 multiband drive control 3- ·...
Page 20 power 2- · 8 importing presets 3- · 69 grouping 8585s 3- · 71 In meters 3- · 2 input digital, specifications 6- · 2 Input routing 2- · 23 Hard Clip Shape 3- · 47 input level hard-wire bypass 1- · 12 line-up 1- ·...
Page 21 Reassembling 4- · 7 Loudness Attack control 3- · 15 LCD display 6- · 9 loudness control 1- · 6 Less-More control 3- · 24 Loudness Controller level adjusting 3- · 15 line-up 2- · 25 and presets 2- · 17 metering 1- ·...
Page 22 AGC GR 3- · 2 troubleshooting 5- · 5 null modem cable circuit description 6- · 8 gain reduction 3- · 3, 20 communicating through 2- · 67 HF Enhance 3- · 3 null modem cable 2- · 63 input 1- · 18 input 3- ·...
Page 23 RS-232 board 6- · 19 power supply Parts list 6- · 15 dual 1- · 6 Pass Gain control 3- · 22 Orban part # 6- · 12 Pass Switch control 3- · 23 Power supply passcode Circuit description 6- · 12 and software updates 2- ·...
Page 24 radio-style 3- · 33 using 8685 in 3- · 73 Proof of Performance 1- · 8 recalling from front panel 1- · 8 recalling from PC 3- · 67 Proof of Performance 3- · 64 recalling via GPI 2- · 55 protection presets 3- ·...
Page 25 Resetting 8585 2- · 44 saving Setups 3- · 20 resolution saving user presets 3- · 20 Schematics specification 6- · 1 RFI 5- · 4 Table of contents 6- · 34 Rock format 3- · 35 Screen display 3- · 2 Rotary encoder screens Removing 4- ·...
Page 26 silence alarm 1- · 8 studio AGC 1- · 16 Silence sense 2- · 37 subassembly removal & replacement 4- · 2 silence threshold 2- · 37 subframe delay 1- · 15 Sinewave generator 3- · 64 Subnet Smooth Jazz 3- · 35 Crossing 2- ·...
Page 27 Changing via terminal program 2- · 51 setting 2- · 53 terminal program VANC 1- · 5 connecting to RS232 2- · 46 VANC 6- · 15, 4 test modes 3- · 64 Video Delay Test Modes table 3- · 64 setting control 2- ·...
Page 28 XLR connector wiring standard 2- · 8...
Page 29: Section 1 Introduction
OPTIMOD SURROUND PROCESSOR INTRODUCTION Section 1 Introduction Crucial Information—Please Read! To make automatic loudness control as straightforward and dependable as possible, the 8685 operates somewhat differently from other Optimods. • Dialnorm: The 8685 works very easily with Dolby Digital® transmission systems if you do one crucial thing: You must tell the 8685 what value of Dolby Digital Dialnorm metadata you are transmitting to your audience.
Page 30: Using This Manual
7.1 audio channels. Thanks to versatile compression ratio con- trols and a mastering-quality look-ahead peak limiter, the 8685 is also ideal for mas- tering chores. The 8685 is Orban’s second-generation surround/2.0 processor. In addition to the ef- fective automatic loudness control and automatic mix correction of its predecessor...
Page 31: Absolute Control Of Loudness And Peak Modulation
The rest of Chapter 1 explains how OPTIMOD 8685 fits into the DAB and DTV broad- cast facilities and how to use it for netcasting. Chapter 2 explains how to install it.
Page 32: Flexible Configuration
• The optional HD-SDI I/O module includes three AES3id inputs and three AES3id outputs, which can be used as a loop-through for Orban’s Penteo® 2.0 5.1 upmixer or to provide I/O for up to three channels of 2.0 processing. The SDI I/O option provides up to 11 frames of video delay to match the delay of the 8685’s loudness processing (typically 20 ms) and optional Dolby-E en-...
Page 33 OPTIMOD SURROUND PROCESSOR INTRODUCTION • OPTIMOD 8685’s inputs and outputs are highly configurable via remote- controllable internal routing switchers. Additionally, the outputs of the multichannel and 2.0 processing chains can be independently configured to emit the output of the AGC or the output of the multiband compressor/limiter, all configurable to use or bypass look-ahead limiting.
Page 34: Adaptability Through Multiple Audio Processing Structures
• A special Two-Band preset creates a no-compromise “Protect” function that is functionally similar to the “Protect” structures in earlier Orban digital proces- sors. • The Five-Band and the Two-Band structures can be switched via a mute-free crossfade.
Page 35: User-Friendly Interface
Meters to Measure Loudness Controller Performance starting on page 3-78.) • Orban’s PreCode™ technology manipulates several aspects of the audio to minimize artifacts caused by low bitrate codecs, ensuring consistent loudness and texture from one source to the next. It is particularly useful when processing for netcasts or mastering for any low bit rate channel.
Page 36: Presets In Optimod 8685
Presets in OPTIMOD 8685 There are two distinct kinds of presets in OPTIMOD 8685: processing presets, which contain the settings of the 8685’s audio processing controls (like compression thresholds), and setups, which contain technical setup settings (like input reference settings and channel routing).
Page 37: Factory Processing Presets
The factory presets are listed and described starting on page 3-23. The description indicates the processing structure and the type of processing. Factory Presets are stored in OPTIMOD 8685’s non-volatile memory and cannot be erased. You can change the settings of a Factory Preset, but you must then store those settings as a User Preset, which you are free to name as you wish.
Page 38: Input/Output Configuration
Two analog monitor outputs. • A headphone output. The 2.0 processors in OPTIMOD 8685 can be operated in either stereo or dual-mono mode via the 2.0 P control. In dual-mono mode, the channels operate in- dependently (and have separate Loudness Controllers and Loudness Level Meters), but the processing parameters that determine the “sound”...
Page 39: Analog Outputs
1-11 OPTIMOD SURROUND PROCESSOR INTRODUCTION dard with break points at 400 Hz and 4 kHz. It is used mainly in older stu- dio/transmitter links that use NICAM technology. Analog Outputs The two analog outputs appear on XLR-type male connectors on the rear panel. These are intended primarily for monitoring.
Page 40: Rs-485 Serial Ports
Audio links are used in different ways. Performance requirements differ depending on the application: • A link that passes unprocessed audio to drive the OPTIMOD 8685 should have very low noise and low non-linear distortion, but its transient response is not important.
Page 41: Using Lossy Data Reduction Before The 8685'S Input
OPTIMOD SURROUND PROCESSOR INTRODUCTION • A link that passes OPTIMOD 8685’s peak-controlled output does not need as low a noise floor as a link passing unprocessed audio. However, if the application calls for high average modulation, the link’s transient response is critical.
Page 42: Sample Frequency Synchronization
Dolby Digital signal path will have a generous amount of headroom. Peak control in OPTIMOD 8685 occurs at a 48 kHz sample frequency. This is sufficient to prevent any samples from exceeding the threshold of limiting. However, after re- construction, the analog output may overshoot the nominal 100% level because these overshoots “fall between the samples,”...
Page 43: Using The 8685 To Control Studio Output Levels
(Two frames are required for 59.94/60 fps progres- sively scanned video.) The definition of “frame” depends on the system in which OPTIMOD 8685 is installed. The selections are (approximately 24 ms delay), 30 fps (NTSC INIMUM monochrome video), 29.97 fps (NTSC color video), 25 fps (most PAL...
Page 44: Using Optimod 8685 As A Studio Level Controller
Dolby-E decoder, Dolby-E encoder, and Penteo® upmixer are installed in the audio path. The delay of the 8685’s audio processing is usually set to exactly one frame. Using OPTIMOD 8685 as a Studio Level Controller See page 6-101 for a block diagram of the 8685’s signal processing and routing.
Page 45: Studio Line-Up Levels And Headroom
1-17 OPTIMOD SURROUND PROCESSOR INTRODUCTION under-indicates the true peak level by 8 to 14dB. The Peak Program Meter (PPM) in- dicates a level between RMS and the actual peak. The PPM has an attack time of 5 or 10ms, slow enough to cause the meter to ignore narrow peaks and under- indicate the true peak level by 5 dB or more.
Page 46: Line-Up Facilities
1-18 INTRODUCTION ORBAN MODEL 8685 sion, it is the level above which serious crosstalk into other channels occurs, or the level at which the amplifiers in the channel overload. In digital channels, it is the largest possible digital word. For metering, the transmission engineer uses an oscilloscope, absolute peak-sensing meter, calibrated peak-sensing LED indicator, or a modulation meter.
Page 47 The CBS meter is a “short-term” Loudness Level meter that displays the details of moment-to-moment loudness with dynamics similar to a VU meter. Created using Orban-developed modeling software, the DSP im- plementation typically matches the original CBS analog meter within 0.5 dB on sinewaves, tone bursts and noise.
Page 48: Test Modes
1-20 INTRODUCTION ORBAN MODEL 8685 spread over a larger number of critical bands (about 1/3 octave). This is called loudness summation. 4. Temporal integration: As its duration increases, a sound at a given level appears progressively louder until its duration exceeds about 200 milliseconds, at which point no further loudness increase occurs.
Page 49: Calibrated Line-Up Tones
Test Tone. Setting Output/Modulation Levels In a perfect world, one could set the peak level at OPTIMOD 8685’s output to 0 dBfs. However, there are several potential problems that may make it desirable to set the modulation level slightly lower.
Page 50: Streaming And Netcasting Applications
See Processing for Low Bit Rate Codecs on page 3-5. Loudness You can expect a significant increase in loudness from OPTIMOD 8685 processing by comparison to most unprocessed audio. An exception is recently mastered CDs, which may have already been ag- gressively processed for loudness when they were mastered.
Page 51: Choosing Your Encoder
Thanks to the Apple iPod®, AAC/MP4/M4A is rapidly becoming the de-facto standard for downloadable music. OPTIMOD 8685 is well matched to AAC, HE-AAC, and MP3. It can effectively pre- process audio intended for playback from either format. If you decide to use MP3, choose your MP3 encoder wisely, as not all MP3 encoders are created equal —...
Page 52: Warranty, User Feedback
However, the limitation of any right or remedy shall not be effective where such is prohibited or restricted by law. Simply take or ship your Orban products prepaid to our service department. Be sure to include a copy of your sales slip as proof of purchase date. We will not repair transit damage under the no-charge terms of this warranty.
Page 53: Extended Warranty
Warranty (yielding a total Warranty period of five years) by remitting to Orban ten percent of the gross purchase price of your Orban product. This offer applies only to new Orban products purchased from an authorized Orban Dealer.
Page 55: Section 2 Installation
C) Complete the Registration Card and return it to Orban. (please) The Registration Card enables us to inform you of new applications, per- formance improvements, software updates, and service aids that may be...
Page 56 INSTALLATION ORBAN MODEL 8685 Customer names and information are confidential and are not sold to anyone. 2. Check the line voltage, fuse and power cord. DO NOT connect power to the unit yet! A) Check the Voltage Select switch. This is on the rear panel.
Page 57 OPTIMOD SURROUND PROCESSOR INSTALLATION 3. Mount the 8685 in a rack. The 8685 requires three standard rack units (5 inches/12.7 cm). There should be a good ground connection between the rack and the 8685 chas- sis—check this with an ohmmeter to verify that the resistance is less than 0.5Ω. It is wise to allow one rack unit of free space for ventilation above and below the unit.
Page 58 INSTALLATION ORBAN MODEL 8685 PIN ASSIGNMENT COMMON REMOTE REMOTE REMOTE REMOTE REMOTE REMOTE REMOTE INTERFACE REMOTE REMOTE TALLY TALLY POWER COMMON REMOTE REMOTE REMOTE REMOTE REMOTE REMOTE REMOTE REMOTE 22-24. N/C +12 VOLTS DC Figure 2-2: Wiring the 25-pin Remote Interface Connector The tally outputs are protected against reverse polarity.
Page 59: 8685 Rear Panel
ERIAL connect the 8685 to IBM PC-compatible computers to support ASCII terminal com- mands, Orban’s PC Remote software, or ppp connections. This port is labeled S ERIAL Two RS-485 Serial Ports can accept and emit Dolby AC3 metadata that follows the SMPTE Rdd06-2008 standard.
Page 60: Input And Output Connections
INSTALLATION ORBAN MODEL 8685 Analog Outputs are mainly provided for monitoring various audio signals through XLR-type connectors. However, because of low tilt and overshoot they can also drive transmitters while maintaining tight peak control. Word clock/AES11id Sync Input is provided on a female BNC connector.
Page 61: Hd-Sdi Input And Output (Optional)
OPTIMOD SURROUND PROCESSOR INSTALLATION HD-SDI Input and Output (optional) The optional HD-SDI input/output supports SD-SDI (per SMPTE 259M); 1.5 Gbit/s HD- SDI (per SMPTE 292M; up to 720p and 1080i) and 3.0 Gbit/s single-wire HD-SDI (per SMPTE 424M; 1080p). Only audio channels 1 through 8 are supported; these can be routed to and from several destinations (see Table 2-2: Routing Switcher Sources and Destinations on page 2-23).
Page 62: Power Ground
INSTALLATION ORBAN MODEL 8685 • If an unbalanced output is required (to drive unbalanced inputs of other equip- ment), it should be taken between pin 2 and pin 3 of the XLR-type connector. Connect the L pin of the XLR-type connector (#3 or #2, depending on your organization’s standards) to ground;...
Page 63 OPTIMOD SURROUND PROCESSOR INSTALLATION If the optional HD-SDI module is installed, the default routing for the HD-SDI’s audio channels is #1=Lf, #2=Rf, #3=C, #4=LFE, #5=Ls, #6=Rs, #7=Lst (2.0 processor #1), #8=Rst (2.0 processor #1). The inputs and outputs of the remaining three 2.0 processors (#2, #3, and #4) are connected to AES3id inputs and outputs 1/2, 3/4, and 5/6 respectively.
Page 64 2-10 INSTALLATION ORBAN MODEL 8685 E) Set today’s date. F) If you want the clock to reset itself automatically to conform to Daylight Sav- ing Time (Summer Time), use the D > M AYLIGHT AVING ONTH . to match the daylight saving and standard times...
Page 65 2-11 OPTIMOD SURROUND PROCESSOR INSTALLATION B) Set the Surround External AGC mode. • Set the field to Y if you have an external AGC installed at your studio feeding the studio-to-transmitter link. This setting appropriately defeats the 8685’s AGC for all presets. •...
Page 66 2-12 INSTALLATION ORBAN MODEL 8685 • M (stereo enhancement, equalization, AGC, and two-band or 5- ULTIBAND Band compression, and loudness control without peak limiting). • AGC+L (stereo enhancement, equalization, AGC, and look-ahead peak IMIT limiting) • AGC (stereo enhancement, equalization, and AGC without peak limiting) If you set in System Setup, this defeats the AGC.
Page 67 2-13 OPTIMOD SURROUND PROCESSOR INSTALLATION E) Set the 2.0 output sample rate to 32, 44.1, 48, 88.2, or 96 kHz. 9. Set surround and 2.0 output levels. A) L to the Set Output Levels screen (S > Q OCATE YSTEM ETUP UICK ETUP...
Page 68 2-14 INSTALLATION ORBAN MODEL 8685 The 8685’s two analog output channels are most commonly used for monitoring. Nevertheless, they produce low overshoot and can be used to drive a transmission system with an analog input. 10. Set surround and 2.0 global Dialnorm values. (Do not skip this step!) If you skip this step, your audio may be objectionably louder or quieter than other stations’...
Page 69 2-15 OPTIMOD SURROUND PROCESSOR INSTALLATION Each processing preset has a Dialnorm value that can override the global Dial- norm values that you set in this step. To use the global Dialnorm value, be sure that the active processing preset’s Dialnorm value is set to U , which is LOBAL true of all Factory Presets except for the analog TV presets.
Page 70 2-16 INSTALLATION ORBAN MODEL 8685 modules, via a Dolby-E encoded bitstream (which is typically conveyed on audio channels 1 and 2). In the base unit, to emit an Rdd06-2008-compliant signal the 8685 must be re- ceiving a valid input RS-485 serial stream that is compliant with Rdd06-2008—this is necessary to synchronize the output metadata to video frame boundaries per the Dolby specification.
Page 71 2-17 OPTIMOD SURROUND PROCESSOR INSTALLATION use a GPI input to trigger preset changes, modify presets to customize your sound, and store these presets as User Presets. Preset names are just suggestions. Feel free to audition different presets and to choose those whose sound you prefer. You can easily modify a preset later with the 8685’s one-knob L feature.
Page 72 The name can be up to eight characters long. It is used to identify your 8685 to Orban’s 8685 PC Remote application and appears on the Main Screen when PC Remote is controlling the 8685. It is also displayed on the Meters screen of the 8685 unit.
Page 73: I/O Setup
2-19 OPTIMOD SURROUND PROCESSOR INSTALLATION If this parameter is set to O , then the 8685 will output “0000” (“mode not indicated’). This is the safest setting if you are uncertain whether downstream equipment can respond appropriately to these bits. 14.
Page 74 2-20 INSTALLATION ORBAN MODEL 8685 For the following adjustments, use the L button to choose the parameter to be OCATE adjusted and the knob to change its value. Follow steps in order. Some later settings depend on earlier settings being correct.
Page 75 2-21 OPTIMOD SURROUND PROCESSOR INSTALLATION C) Set the 2.0 E AGC control to N XTERNAL If you are using an external AGC before the 8685’s 2.0 processing, you should restore this setting to Y after the setup procedure is complete. 3.
Page 76 2-22 INSTALLATION ORBAN MODEL 8685 • Ldm/Rdm (left downmix/right downmix — the outputs of the surround proc- essing, downmixed to stereo according to the settings in the I > NPUT UTPUT page). See step 15 on page 2-35. HANNEL • Various monophonic variations of the above, which are convenient for doing things like assigning the left and right outputs of the 2.0 processing to sepa-...
Page 77 2-23 OPTIMOD SURROUND PROCESSOR INSTALLATION Lf/Rf, C/LFE, Ls/ Rs, Lb/ Rb, Lst1/Rst1, Lst2/Rst2,Lst3/Rst3, Lst4/Rst4, Ldm/Rdm, Lst1>MONO, Rst1>MONO, Lst2>MONO, Rst2>MONO, SDI Channel 1/2 Output Routing Lst3>MONO, Rst3>MONO, Lst4>MONO, Rst4>MONO, SDI_1/2; [Dolby-E option] DE_1/2, DE_3/4, DE_5/6, DE_7/8 Lf/Rf, C/LFE, Ls/ Rs, Lb/ Rb, Lst1/Rst1, Lst2/Rst2,Lst3/Rst3, Lst4/Rst4, Ldm/Rdm, Lst1>MONO, Rst1>MONO, Lst2>MONO, Rst2>MONO, SDI Channel 3/4 Output Routing Lst3>MONO, Rst3>MONO, Lst4>MONO, Rst4>MONO, SDI_3/4;...
Page 78 2-24 INSTALLATION ORBAN MODEL 8685 • If you will be using the 8685’s AESid inputs to receive the audio input signal, you must insert the Penteo into the lines driving the 8685: [AES3id input feed] [Penteo] [8686 AESid inputs] In this case, set the 8685’s input switcher the same as if you were receiv- ing a true 5.1 source.
Page 79 2-25 OPTIMOD SURROUND PROCESSOR INSTALLATION When the SDI V control (I 4 screen) is set to A , the IDEO ELAY NPUT UTPUT 8685 can calculate the amount of video delay automatically. To do this with Pen- teo, the 8685 must have an Ethernet connection to the Penteo unit so that the 8685 can detect that the Penteo unit is connected.
Page 80 2-26 INSTALLATION ORBAN MODEL 8685 the typical indications with program material on a VU meter versus the higher indications on a PPM. A) L to R OCATE ECALL MPORT B) Turn the knob until R appears in the lower line of the display.
Page 81 2-27 OPTIMOD SURROUND PROCESSOR INSTALLATION If the gain reduction meter averages more gain reduction (lower on the meter), re-adjust the S (VU or PPM) to a URROUND NPUT EFERENCE higher level. H) When finished, reset the 8685’s S AGC control to Y , if re- URROUND XTERNAL...
Page 82 2-28 INSTALLATION ORBAN MODEL 8685 inputs are equipped with sample rate converters so no sync reference is required. (However, there is no downside to locking the sample rate driv- ing the Penteo to house sync.) C) Set the 2.0 O to 32, 44.1, 48, 88.2, or 96 kHz.
Page 83 2-29 OPTIMOD SURROUND PROCESSOR INSTALLATION See step 8 on page 2-11 for more about these choices. H) Set the 2.0 O control. The choices are F , 50μs or 75μs. UTPUT REEMPHASIS • Use F if you are driving a channel that does not use preemphasis. (Very few digital channels use preemphasis.) Set the control F for DAB, DRM, HD Radio, digital television, netcasts, and any other channel that uses a...
Page 84 2-30 INSTALLATION ORBAN MODEL 8685 If it is impossible to delay the video, set the O control to UTPUT ELAY . This will produce approximately 20 ms of delay, which is low INIMUM enough not to cause detectable AV sync problems.
Page 85 2-31 OPTIMOD SURROUND PROCESSOR INSTALLATION is AGC or MB), then excessive clipping is occurring. Turn UTPUT OURCE down 2.0 L control until you no longer see clipping on the IMITER RIVE meter. Occasional light clipping is usually inaudible. It is sometimes preferable to allow occasional clipping in order to use the headroom available in the downstream channel most efficiently.
Page 86 2-32 INSTALLATION ORBAN MODEL 8685 C) Make sure that your transmitter is configured to apply preemphasis to the audio it receives from the 8685. D) L to I > 2.0 O > 2.0 O (100%) and set the 2.0 OCATE...
Page 87 2-33 OPTIMOD SURROUND PROCESSOR INSTALLATION 100% Turning down the 2.0 control reduces the peak modula- UTPUT tion without significantly affecting the average modulation. Hence, using this technique keeps the 8685’s L meter correctly calibrated OUDNESS EVEL and provides correct on-air loudness. G) Check loudness with respect to other stations in your market and correct your average modulation if necessary.
Page 88 Metadata on page 6-3. 14. Set the processing’s channel mode controls. Note: Unlike Orban’s earlier 8585 processor, all processors (one 7.1 processor and four 2.0 processors) in the 8685 are active simultaneously. There is no control to turn them on or off because none is needed. The only thing the installer must do is to make sure that no signal is accidentally feeding the Lb and Rb channels of the surround processing if it is processing a 5.1-channel source (step 15 on page...
Page 89 2-35 OPTIMOD SURROUND PROCESSOR INSTALLATION C) You can mix the audio applied to 2.0 processor #1 into the Lf and Rf channels of the surround processing. (Only 2.0 processor #1 has this feature.) This can be useful if you want to process some program material (such as a newsroom or outside broadcast feed) more heavily than the remaining program ele- ments in a surround mix.
Page 90 2-36 INSTALLATION ORBAN MODEL 8685 Note that even if the surround output is configured as AGC+L IMIT MB+L , the output downmix is not consistently peak limited because IMIT peak limiting is applied to the individual channels before the downmix.
Page 91 2-37 OPTIMOD SURROUND PROCESSOR INSTALLATION 21. Program Silence Sense (optional) You can program each processing chain (surround and 2.0) in the 8685 to switch automatically from its primary digital input to a backup input if the signal at the primary digital input falls silent. There are silence detectors for each physical input channel.
Page 92: Using Clock-Based Automation
2-38 INSTALLATION ORBAN MODEL 8685 See step 6 on page 2-3 for wiring instructions. You can program the two tally outputs independently to indicate a number of different operational and fault conditions. A) L to S > N > T >...
Page 93 2-39 OPTIMOD SURROUND PROCESSOR INSTALLATION cal time, O , and T to reflect the Windows settings in the machine FFSET ERVER running PC Remote software. See Synchronizing Optimod to a Network Time- server on page 2-59. If you are planning to set your Optimod’s time via PC Re- mote and/or the Internet, skip to step (C).
Page 94: Security And Passcode Programming
2-40 INSTALLATION ORBAN MODEL 8685 tion (like a user’s interacting with the front panel or with the PC Remote application). c) L to the Event Type field and set the desired event. You can recall any OCATE factory processing preset, user processing preset, and Setup. You can...
Page 95 2-41 OPTIMOD SURROUND PROCESSOR INSTALLATION 6. Recall Presets Only passcodes with A let you do software updates and set passcode per- CCESS missions. Each Passcode is unique; the software will not let you create duplicate Passcodes. Further, to prevent accidental lockout, the software requires you to have at least one passcode with A (administrator) privileges.
Page 96 2-42 INSTALLATION ORBAN MODEL 8685 4. Create a new passcode (optional). A) Select the “New” button from the Security screen. The “Create New Passcode Screen” appears. B) Use the “virtual keyboard” to create a passcode. Use the L button to locate to each character. Then press E...
Page 97: To Unlock The Front Panel
2-43 OPTIMOD SURROUND PROCESSOR INSTALLATION D) To edit the passcode, to the P field. LOCATE ASSCODE UTHORIZES CCESS Then turn the knob to choose the desired privilege level. E) Choose D when you are finished. The System Setup screen appears. You may edit or delete more than one passcode before choosing Choosing on the Security Screen automatically saves all of your Pass-...
Page 98: Security And Orban's Pc Remote Application
Moreover, the most secure passcodes use a random combination of letters and numbers. Security and Orban’s PC Remote Application Any passcodes set on the 8685 will allow the PC Remote application to connect via direct, modem and Ethernet connections at the level authorized by the passcode.
Page 99: Administering The 8685 Through Its Rs-232 Serial Port Or Ethernet
2-45 OPTIMOD SURROUND PROCESSOR INSTALLATION B) Choose whether you want the 8685 to delete all passcodes while retaining other customizations (like I/O levels and user presets) or if want the 8685 to reset itself to its factory defaults. In either case, all existing passcodes will be erased.
Page 100: Connecting Via The Rs-232 Port Using A Terminal Program On A Pc
2-46 INSTALLATION ORBAN MODEL 8685 Connecting via the RS-232 Port Using a Terminal Program on a • The RS-232 port must be configured as “ASCII.” • The 8685’s RS-232 port can be used with any computer or terminal that is com- patible with the RS-232 standard interface.
Page 101: Administrative Operations
2-47 OPTIMOD SURROUND PROCESSOR INSTALLATION H) Set the port properties as follows: Bits per second ..9600 Data Bits.....8 Parity ......none Stop bits .....1 Flow control....none I) Choose OK. J) L to File > Properties > Settings > ASCII Setup. Set the ASCII Setup prop- OCATE erties as follows: •...
Page 102 2-48 INSTALLATION ORBAN MODEL 8685 tered, the 8685 will ignore the command. • You can apply this command anytime after the 8685 boots up. The 30-minute timeout does not apply. • This command is useful in interfacing automation systems to the 8685.
Page 103 2-49 OPTIMOD SURROUND PROCESSOR INSTALLATION 4. To unlock an 8685: The following command assigns an A passcode. This passcode is then CCESS available from the front panel or when you connect normally via the 8685PC ap- plication (through the 8685’s Serial Port #1 or optional Ethernet connections). Command Response (valid passcode entry)
Page 104 2-50 INSTALLATION ORBAN MODEL 8685 In the above table: XXX.XXX.XXX.XXX = the specified subnet mask; yyy.yyy.yyy.yyy = the present subnet mask in use. 255.255.255.0 is the factory default. Valid subnet masks are defined according to existing standards. Any out-of- range or invalid characters render the whole argument invalid.
Page 105 2-51 OPTIMOD SURROUND PROCESSOR INSTALLATION 9. To change the Terminal Port: Command Response (valid terminal port) TP XXXXX TP: xxxxx entered (invalid terminal port) ERROR. Using TP: yyyyy Using TP: yyyyy In the above table: XXX.XXX.XXX.XXX =s the specified terminal port; yyy.yyy.yyy.yyy = the present terminal port in use.
Page 106: Connecting To The 8685'S Ethernet Port Or Rs-232 Port Using Tcp/Ip
2-52 INSTALLATION ORBAN MODEL 8685 xx-xx-xx-xx Memory Total: 16121856 Memory Available: 6598384 Available Space: 8504 Kbytes Dialnorm value=00 485 loopback ok Connecting to the 8685’s Ethernet Port or RS-232 Port Using TCP/IP You can connect a terminal emulation application that supports the TCP/IP protocol to the 8685 via its RS-232 or Ethernet ports.
Page 107 2-53 OPTIMOD SURROUND PROCESSOR INSTALLATION port in ASCII mode. (See Installing 8685 PC Remote Control Software on page 2- 62.) • To set a different port number: A) From the main menu, to S > N > N LOCATE YSTEM ETUP ETWORK EMOTE...
Page 108: Using The Api: Example
2-54 INSTALLATION ORBAN MODEL 8685 The IP address for this connection is the same as the IP address set in step (1.A) on page 2-56 and is visible in the S > N > YSTEM ETUP ETWORK EMOTE screen ETWORK E) Name and save the Session if you wish.
Page 109 2-55 OPTIMOD SURROUND PROCESSOR INSTALLATION 1. Locate to the System Setup > Network Remote > Remote Interface screen. 2. Program one or more remote control interfaces. To program a given remote input, use L to highlight the input. As you turn OCATE the control knob, the functions listed below will appear in the highlighted field.
Page 110: Networking And Remote Control
2-56 INSTALLATION ORBAN MODEL 8685 End remote control interface programming. When you are finished programming the remote control interface, press the button once to return to the System Setup screen. SCAPE Networking and Remote Control This section describes how to connect a PC to your 8685 remotely for downloading software upgrades and for PC Remote Control.
Page 111 2-57 OPTIMOD SURROUND PROCESSOR INSTALLATION To cross subnets, you must specify a gateway. If the PC and 8685 are on the same subnet, then it is unnecessary to specify a gateway. If the gateway, port, and firewall (if used) are configured correctly, it is possible to connect 8685 PC Remote to an 8685 via a VPN.
Page 112 You will need two modems and two available phone lines, one of each for your PC and your 8685. Reminder: Orban Customer Service supports only the 3Com/U.S. Robot- ics® 56kbps fax modem EXT on the 8685 side (although other 56kbps modems will often work OK).
Page 113: Synchronizing Optimod To A Network Timeserver
2-59 OPTIMOD SURROUND PROCESSOR INSTALLATION c) Connect the telephone line from the wall phone jack to the wall connection icon on the back of the modem (modem in). d) Connect the modem cable from the modem to the RS-232 port of the 8685. e) Set the modem to A and turn it on.
Page 114 2-60 INSTALLATION ORBAN MODEL 8685 2. Choose a timeserver. http://tf.nist.gov/tf-cgi/servers.cgi provides a current list of timeservers available on the Internet. You network may also have a local timeserver; ask your network administrator. 3. Set up timeserver parameters. You can specify the timeserver either from your Optimod’s front panel or from its PC Remote software.
Page 115 2-61 OPTIMOD SURROUND PROCESSOR INSTALLATION Optimod PC Remote software can automatically set your Optimod’s local time, , and T to reflect the Windows settings in the computer run- FFSET ERVER ning PC Remote software. See Installing 8685 PC Remote Control Software starting on page 2-62 and Using the 8685 PC Remote Control Software starting on page 3-65.
Page 116: Installing 8685 Pc Remote Control Software
8685’s serial port. (These services are also used to upgrade your 8685’s firmware when updates are available from Orban.) The exact process will vary, depending on how you wish to set up the communications. That is: •...
Page 117: Check Hardware Requirements
If connecting by modem: a 3Com/U.S. Robotics® 56kbps fax modem EXT and normal (not null) modem cable for the 8685 side of the connection. Note that Orban Customer Service does not support any other type of modem for connect- ing to the 8685.
Page 118: Setting Up Ethernet, Lan, And Vpn Connections
• You might have obtained the automatic installer application from some other source than Orban’s CD, like Orban’s ftp site or another computer on your net- work. If so, just run the application and follow the on-screen instructions. •...
Page 119: Conclusion
8685 questions, please contact Orban Customer Service: phone: +1 510 351-3500 ; email: custserv@orban.com For details on your new 8685 software, from new features to operational sugges- tions, refer to our FTP site (ftp.orban.com/8685).
Page 120 2-66 INSTALLATION ORBAN MODEL 8685 [NOTES]...
Page 121: Appendix: Setting Up Serial Communications
8685 PC Remote application. The appendix provides procedures for both the Windows 2000 and Windows XP operating systems. (Note that the screen shots were prepared for Orban’s Optimod-FM 8300 and refer to that product. They are directly applicable to the 8685 as well.) Preparing for Communication through Null Modem Cable 1.
Page 122 2-68 INSTALLATION ORBAN MODEL 8685 Cannot Access the Internet After Making a Direct or Modem Connection of the 8685 on page 5-8. 1. Add and configure a Direct Connection for Windows 2000: A) Create a New Windows 2000 Direct Connection:...
Page 123 2-69 OPTIMOD SURROUND PROCESSOR INSTALLATION i) In the drop-down box, select the serial port you will be using to make the connection. j) Click “Next.” k) Select either “For all users” or “Only for myself.” The correct setting depends on how your network and security are configured.
Page 124 2-70 INSTALLATION ORBAN MODEL 8685 o) Click “Yes.” B) Edit your new Direct Connection properties: a) Click “Settings.” b) Click the “General” tab. c) Select the device you set up in step (i) on page 2-69. d) This will usually be “Communications...
Page 125 2-71 OPTIMOD SURROUND PROCESSOR INSTALLATION f) Set “Maximum speed (bps)” “115200.” g) Check “Enable hardware flow con- trol.” h) Make sure that all other boxes are not checked. i) Click “OK.” j) Select the Networking tab. k) Make sure that “PPP: Windows 95/ 98/ NT 4/ 2000, Internet”...
Page 126: Connecting Using Windows Xp Direct Serial Connection
2-72 INSTALLATION ORBAN MODEL 8685 2. Launch an existing Windows 2000 Direct connection. Once you have set up a “connection” specifying Direct Connect in the 8685 PC Remote application (see To set up a new connection on page 3-65), choosing this connection from 8685 PC Remote automatically opens a Windows Direct Connec- tion to your 8685.
Page 127 2-73 OPTIMOD SURROUND PROCESSOR INSTALLATION c) Give your 8685 a name (e.g., “KABC”) by entering this name in the “8685 Alias” field. d) If you wish to have 8685 PC Remote remember password this Optimod, enter the password in the “Password“...
Page 128 2-74 INSTALLATION ORBAN MODEL 8685 k) Type in a name for your Connection like: “Connection to 8685.” l) Click “Finish.” m)Click “Yes.” B) Edit your new Direct Connection properties: a) Click “Settings.”...
Page 129 2-75 OPTIMOD SURROUND PROCESSOR INSTALLATION b) Click the “General” tab. c) Select the device you set up in step (i) on page 2-73. This will usually be “Communications cable between two computers (COM1).” d) Click “Configure.” e) Set the “Maximum Speed (bps)” to 115200.
Page 130 2-76 INSTALLATION ORBAN MODEL 8685 i) Select the Networking tab. j) Make sure that “PPP: Windows 95/98/NT 4/2000, Internet” appears in the “Type of dial-up server I am calling” field. k) Make sure that “Internet Protocol (TCP/IP) is checked. You may leave “File and Printer Sharing for Mi- crosoft Networks”...
Page 131: Preparing For Communication Through Modems
You will need two modems and two available phone lines, one of each for your PC and your 8685. Reminder: Orban supports only the 3Com/U.S. Robotics® 56kbps fax mo- dem EXT on the 8685 side (although other 56kbps modems will often work OK).
Page 132 2-78 INSTALLATION ORBAN MODEL 8685 Use either an internal modem or external modem with your computer. a) If you are using an external modem, connect the modem to a serial port on your PC and make sure the modem is connected to a working phone line.
Page 133 2-79 OPTIMOD SURROUND PROCESSOR INSTALLATION g) Select “Dial-up to private network.” h) Click “Next.” i) Enter the phone number of the modem connected to the 8685 that you are setting up. j) Click the “Next” button. k) Select either “For all users” or “Only for myself.”...
Page 134 2-80 INSTALLATION ORBAN MODEL 8685 l) Click the “Next” button. m)Type in a name for your Connection like: “Con- nection 8685–Mo- dem.” n) Click “Finish” button. o) Click “Yes.” D) Edit your new Direct Connection properties: a) Click “Settings.”...
Page 135 2-81 OPTIMOD SURROUND PROCESSOR INSTALLATION b) Click the “General” tab. c) In the “Connect using” field, select the modem you will be using to make the connection on the PC side. d) Click “Configure.” e) Set “Maximum speed (bps)” “115200.” f) Check “Enable hardware...
Page 136 2-82 INSTALLATION ORBAN MODEL 8685 k) Select the Networking tab. l) Make sure that “PPP: Windows 95/98/NT 4/2000, Internet” appears in the “Type of dial-up server I am calling” field. m)Make sure that “Internet Protocol (TCP/IP) is checked. You may leave “Client for Mi-...
Page 137: Connecting Using Windows Xp Modem Connection
2-83 OPTIMOD SURROUND PROCESSOR INSTALLATION 3. To change the properties of an existing connection: Right-click the connection in the “connection List” window and choose “Proper- ties.” The “Connection properties” window opens (see page 2-78). Connecting using Windows XP Modem Connection 1.
Page 138 2-84 INSTALLATION ORBAN MODEL 8685 If you are using an external modem, connect the modem to a serial port on your PC and make sure the modem is connected to a working phone line. b) On your PC, click “Start > Settings > Control Panel > Phone and Modem Options.”...
Page 139 2-85 OPTIMOD SURROUND PROCESSOR INSTALLATION e) Click “Add.” The Windows New Connection Wizard starts up. f) Select “Serial Connection.” g) Click the “Add” button. h) Select “Dial-up to private network.” i) Click “Next.” j) Enter the phone number of the modem connected to the 8685 you are setting k) Click “Next.”...
Page 140 2-86 INSTALLATION ORBAN MODEL 8685 n) Click “Yes.” D) Edit your new Direct Con- nection properties: a) Click “Settings.” b) Click the “General” tab. c) Select the modem you will be using to make the connection on the PC side.
Page 141 2-87 OPTIMOD SURROUND PROCESSOR INSTALLATION e) Set “Maximum speed (bps)” “115200.” f) Check “Enable hardware flow control.” g) Check “Enable modem error control.” h) Check “Enable mcdem compression.” i) Make sure that no other box is checked. j) Click “OK.” k) Select the Networking tab.
Page 142: Updating Your 8685'S Software
2-88 INSTALLATION ORBAN MODEL 8685 You can connect by selecting the de- sired connection from the drop-down list in the C menu. ONNECT You can also connect by double-clicking the connection in the “Connection List” window. If the connection is successful, a dialog bubble will appear on the bottom right hand corner of the screen verifying your connection.
Page 143 2-89 OPTIMOD SURROUND PROCESSOR INSTALLATION 4. Update your 8685. We strong recommend that your computer and 8685 be powered from a UPS when updating. A) Attempt to initiate communication to your 8685 via your connection. See To initiate communication on page 3-66. 8685 PC Remote will automatically detect that the 8685 software version on your 8685 is lower as the version of 8685 PC Remote.
Page 145: Section 3 Operation
OPTIMOD SURROUND PROCESSOR OPERATION Section 3 Operation 8685 Front Panel • Headphone Jack allows you to monitor various outputs of the processing through headphones. Headphone impedance should be 75Ω or higher. • You can switch the headphone feed to emit the following processor output sig- nals: LF, RF, C, LS, RS, LFE, LB, RB, STEREO L, STEREO R, L DOWNMIX, R DOWNMIX, LF/RF, C, LS/RS, LB/RB, STEREO, DOWNMIX.
Page 146 (two-band or five-band). Full-scale is 25 dB gain reduction. Because the AGC is a two-band unit with Orban’s patented bass coupling system, the two meters indicate the gain reduction of the AGC Master and Bass bands.
Page 147 OPTIMOD SURROUND PROCESSOR OPERATION tween. Hence, the 2.0 processing’s AGC meters are split so that the left and right gain reduction (or channel 1/channel 2 gain reduction in dual- mono mode) are both displayed. • G indicators show silence gate activity. They light up when the input audio falls below the threshold set by the gate threshold controls.
Page 148: Introduction To Processing
In processing, there is a direct trade-off between loudness and distortion. You can improve one only at the expense of one or both of the other two. Thanks to Orban’s psychoacoustically optimized designs, this is less true of Orban processors than of any others.
Page 149: Processing For Low Bit Rate Codecs
To exploit PreCode technology fully ( minimizing “phasey” and “underwater” artifacts in low bit rate codecs), do not set up OPTIMOD 8685 for very bright sound (with large amounts of high frequency energy) because this is likely to exacerbate artifacts.
Page 150: Speech/Music Detector
OPERATION ORBAN MODEL 8685 We have supplied several presets tuned for the Microsoft WMA (V9) at 32 kbps in stereo. This codec has severe artifacts at this bitrate and no preprocessing can mask them completely. The 8685’s WMA presets strictly limit the amount of high fre- quency energy applied to the codec.
Page 151: Optimod 8685 In Audio-Only Applications: From Bach To Rock
8685 effectively meets) is to control dynamic range unobtrusively. OPTIMOD 8685 can be adjusted so that the output sounds as close as possible to the input at all times (using the Two-Band Protection Limiter preset), or so that it sounds...
Page 152: About The 8685'S Signal Processing Features
The first scenario allows you to use the 8685 as five independ- ent processors. The 2.0 processing is similar to Orban’s Optimod 6300 except that the 6300’s stereo enhancer is omitted in the 8685. (For example, you might use 2.0 processing to drive a low bitrate netcast or ATSC subchannel(s).) The second scenario allows separate...
Page 153: Signal Flow
Two-Band Gated AGC The AGC is a two-band device, using Orban’s patented “master/bass” band coupling. It has an additional important feature: target-zone gating. If the input program ma- terial’s level falls within a user-settable window (typically 3dB), then the release time slows to a user-determined level.
Page 154: Equalization
622B), using a sophisticated and proprietary optimization program. The curves are matched to better than 0.15dB. This means that their sound is very close to the sound of an Orban analog parametric. They also use very high quality filter algo- rithms to ensure low noise and distortion.
Page 155: Multiband Compressor/Limiter
3-11 OPTIMOD SURROUND PROCESSOR OPERATION enhancing bright material. It interacts synergistically with the five-band compressor to produce sound that is bright and present without being excessively shrill. It can help improve dialog intelligibility. It is gated so that it does not amplify the program material’s noise floor.
Page 156 3-12 OPERATION ORBAN MODEL 8685 • The second surround sidechain responds to the center channel alone. It provides both a “compression” and “limiting” function. The dual-sidechain architecture’s main application is to improve dialog intelligi- bility by preventing strong energy in the non-center channels from drowning out dialog in the center channel even when the original mix was miscalculated.
Page 157: Lfe Processing
3-13 OPTIMOD SURROUND PROCESSOR OPERATION pling to completely uncoupled operation. The coupling control determines the maximum amount of gain difference permitted between the left and right channels in a given band and therefore the amount of stereo image shift permit- ted in each frequency band.
Page 158: Loudness Control
3-14 OPERATION ORBAN MODEL 8685 In a peak limiter, each Fourier component of the input signal is a sepa- rate “carrier” and the peak limiting process produces modulation side- bands around each Fourier component. Considered this way, a hard clipper has a wideband gain control signal and thus introduces sidebands that are far removed in frequency from their associated Fourier “carriers.”...
Page 159 OUDNESS TTACK and/or use of an external loudness level meter like the free Orban Loud- ness Meter for Windows, which uses the same algorithm as the 8685’s built-in loudness level meter (www.orban.com/meter). The free Orban...
Page 160: Input/Output Delay
3-16 OPERATION ORBAN MODEL 8685 Another loudness control strategy is this: Instead of using two presets with and without loudness control (as described above), you can create presets with different settings of the L control (and possibly different settings of the...
Page 161: Basic Modify
Orban’s audio processing experts on the basis of years of experience designing audio processing and upon hundred of hours of listening tests.
Page 162: Intermediate Modify
3-18 OPERATION ORBAN MODEL 8685 Intermediate Modify Intermediate Modify is a compromise between Basic Modify and Advanced Modify. Most people will never have any reason to go beyond Intermediate Modify. Intermediate Modify does not provide L control. Furthermore, once you have edited a preset’s dynamics parameters in Intermediate...
Page 163: Setting Preset Loudness Correctly For Dolby Digital Transmission
3-19 OPTIMOD SURROUND PROCESSOR OPERATION sired sound before you make further modifications at the Full or Ad- vanced Modify levels. Setting Preset Loudness Correctly for Dolby Digital Transmission In sound for picture applications that use a Dolby Digital transmission channel to the consumer’s receiver, you can use the 8685’s L meter as a reference for OUDNESS...
Page 164: Gain Reduction Metering
Because the various compressors have 25 dB of gain reduction range, the meter should never come close to 25 dB gain reduction if OPTIMOD 8685 has been set up for a sane amount of gain reduction under ordinary program conditions.
Page 165: About The Processing Structures
3-21 OPTIMOD SURROUND PROCESSOR OPERATION • You cannot give a user preset the same name as a factory preset. If the name that you have selected duplicates the name of a factory preset, a warning box will appear saying: Factory presets cannot be overwritten. •...
Page 166 3-22 OPERATION ORBAN MODEL 8685 To select a structure for the Surround processing, recall a factory preset or user hav- ing the desired structure. If the 2.0 section of that preset has the wrong structure, change it by importing a factory or user preset whose 2.0 section has desired struc- ture (see page 3-25).
Page 167 3-23 OPTIMOD SURROUND PROCESSOR OPERATION will cause an audio click. However, clicks can only occur if you switch dur- ing active audio; you can prevent clicks by switching during silence like the boundary between two program elements. The downside of using non-flat equalization in P is that the equalization will color HROUGH...
Page 168: Factory Programming Presets
3-24 OPERATION ORBAN MODEL 8685 balance between the bass and high frequency energy of the program material is in- correct, the Two-Band structure (when its B control is not set to 0 dB) OUPLING can gently correct it without introducing obvious coloration.
Page 169: To Import A 2.0 Preset From The 8685'S Front Panel
3-25 OPTIMOD SURROUND PROCESSOR OPERATION sets that can be accessed via the L control. Try using this control to trade off the amount of dynamic range reduction against processing artifacts and side effects. Once you have used L , save your ed- ited preset as a User Preset.
Page 170: Sound-For-Picture Presets
3-26 OPERATION ORBAN MODEL 8685 B) With the mouse, highlight the desired 2.0 source preset, either Factory or User. C) Click I MPORT After importing the 2.0 parameters, you are still free to adjust any individual Sur- round or 2.0 parameter. When you are satisfied with your work, you can then save this combination of Surround and 2.0 parameters as a new User Preset.
Page 171 (particularly older material), providing gentle gain con- trol that limits dynamic range to a level that provides the general audience with consistently intelligible dialog. It sounds very similar to Orban’s analog OPTIMOD-TV (Model 8182A) when that unit is adjusted for “General” programming according to the instructions in its operating manual.
Page 172 3-28 OPERATION ORBAN MODEL 8685 DRAMA preset, which preserves more of the mixes’ original dynamic range. TV 2B GEN PURP NO LC (TV Two-Band General Purpose without Loudness Control- ler): This preset is the same as TV 2B-GEN PURPOSE except the Loudness Controller...
Page 173 3-29 OPTIMOD SURROUND PROCESSOR OPERATION anced. The center channel compressor effectively de-esses dialog without punching holes in the remaining channels. Coupling between the center channel and remain- ing channels allows the center channel’s level to be boosted automatically by as much as 3 dB with respect to the other channels if this is needed to help intelligibil- ity.
Page 174: Protection And Studio Agc Presets
3-30 OPERATION ORBAN MODEL 8685 • TV AGC+LC+DS uses the five-band structure with all multiband compressors ex- cept for LFE and B5 turned off. B5 is configured as a de-esser, which, depending on the strictness of a given “wideband-only” edit, may be an acceptable use of frequency-selective gain reduction.
Page 175 3-31 OPTIMOD SURROUND PROCESSOR OPERATION threshold. At L = 10, the processor’s gain below threshold has increased to 9 dB. Instead of adjusting L , you can adjust the F control (which INAL IMIT RIVE what L actually does). Do not set the F control below “0”...
Page 176: Radio-Style Presets
The radio-style presets (Table 3-3 on page 3-33) have been named similarly to their radio counterparts in Orban’s OPTIMOD 8500 and 6300. Their basic audio texture is very similar to the presets in these products. The loudness controller is turned off.
Page 177 3-33 OPTIMOD SURROUND PROCESSOR OPERATION There is also a corresponding two-band preset called CLASSICAL-2B+AGC. Even more transparent, “purist” classical processing is available from this preset, which is phase-linear and which preserves the spectral balance of the original material as much as possible. However, if you need a bit more automatic re-equalization than the CLASSICAL preset provides, use the CLASSICAL 5-BAND preset.
Page 178 GREGG: GREGG and GREGG OPEN all use a 200 Hz band1/band2 crossover fre- quency to achieve a bass sound similar to the classic five-band Gregg Labs FM proc- essors designed by Orban’s Vice President of New Product Development, Greg Ogonowski. Dynamically, these presets produce a slight increase in bass energy be- low 100 Hz and a decrease of bass energy centered at 160 Hz.
Page 179 3-35 OPTIMOD SURROUND PROCESSOR OPERATION ROCK: ROCK-DENSE, ROCK-MEDIUM, and ROCK-OPEN are appropriate for gen- eral rock and contemporary programming. They provide a bright high end and punchy low end (although not as exaggerated as the URBAN presets). A midrange boost provides enough presence energy to ensure that vocals stand out. A modest amount of high frequency coupling (determined by the Band Clipping 3>4 setting) allows reasonable amounts of automatic HF equalization to correct dull program material, while still preventing exaggerated frequency balances and excessive HF...
Page 180: Equalizer Controls
3-36 OPERATION ORBAN MODEL 8685 Equalizer Controls The table summarizes the equalization controls available for the Five-Band struc- ture. (Note that “advanced” controls are accessible only from 8685 PC Remote soft- ware.) Except for B and DJ B , these equalization controls are common to both RILLIANCE the Two-Band and Five-Band structures.
Page 181 “mellowness” to the sound when boosting. When cutting, it can remove a “woody” or “boxy” sound. The equalizer, such as the classic Orban analog parametrics like the 622B, has con- stant “Q” curves. This means that the cut curves are narrower than the boost curves.
Page 182 3-38 OPERATION ORBAN MODEL 8685 MID Frequency determines the center frequency of the equalization, in Hertz. Range is 250-6000Hz. MID Gain determines the amount of peak boost or cut (in dB) over a ±10 dB range. MID Width determines the bandwidth of the equalization, in octaves.
Page 183 3-39 OPTIMOD SURROUND PROCESSOR OPERATION tially coupled to the gain reduction in the 6.2 kHz band in most presets, tuning M to 2-4 kHz and turning up the M control will decrease energy in REQUENCY the 6.2 kHz band—you will be increasing the gain reduction in both the 3.7 kHz and 6.2 kHz bands.
Page 184 The difference will never exceed the difference that would have other- wise occurred if the lowest frequency band were gated independently. If you are familiar with older Orban processors like the 8282, this is the maximum amount of boost that would have occurred if you had set their...
Page 185: Agc Controls
3-41 OPTIMOD SURROUND PROCESSOR OPERATION This setting is unique to the preset in which it resides. Regardless of its setting, the 8685 will not permit the system bandwidth to exceed the bandwidth set by the M parameter located I/O Setup. OWPASS ILTER Phase Rotator determines if the phase rotator will be in-circuit.
Page 186 3-42 OPERATION ORBAN MODEL 8685 compression and associated multiband clipper audibly change the density of the sound and dynamically re-equalize it as necessary (booming bass is tightened; weak, thin bass is brought up; highs are always present and consistent in level).
Page 187: Advanced Agc Controls
3-43 OPTIMOD SURROUND PROCESSOR OPERATION ing to unnaturally high levels. There are two independent silence-gating circuits in each of the 8685’s processing chains. The first affects the AGC and the second affects the multiband compressor. Each has its own threshold control. AGC Idle Gain on page 3-44 explains how the AGC gate’s no-signal gain is deter- mined.
Page 188 3-44 OPERATION ORBAN MODEL 8685 lease times morph smoothly between the setting of the W control and INDOW ELEASE the setting of the AGC master release and attack controls. The most useful range of the AGC is 3 to 6 dB.
Page 189: Agc Controls Exclusive To 2.0 Processing
3-45 OPTIMOD SURROUND PROCESSOR OPERATION is a phase-rotating crossover that introduces one pole of phase rotation at LLPASS 200 Hz. The overall frequency response remains smooth as the two bands take dif- ferent amounts of gain reduction—the response is a smooth shelf without extra peaks or dips around the crossover frequency.
Page 190: Distortion Control
The distortion control adjustments are common to the Two-Band and Five-Band structures except as noted in the descriptions on the following pages. Bass Clip Threshold controls Orban’s patented embedded bass clipper. The bass clipper is embedded in the multiband crossover so that harmonics created by clipping are rolled off by part of the crossover filters.
Page 191 3-47 OPTIMOD SURROUND PROCESSOR OPERATION look-ahead limiter distortion control. The range (with reference to the look-ahead limiter threshold) is –6 dB to +6 dB (and O ). As you raise the threshold of the clip- per, you will get more bass but also more distortion and pumping. Be careful when setting this control;...
Page 192: The Two-Band Structure
3-48 OPERATION ORBAN MODEL 8685 put level is changed. “10” is the softest knee, where the transition starts 6 dB below setting and occurs gradually. The factory default setting is “7.6.” HRESH (See Figure 3-1.) Final Limit Drive controls (AGC and MB) adjust the level of the audio driving the low-IM look-ahead limiters that the 8685 uses to control fast peaks, thereby adjust- ing the peak-to-average ratio of the processed audio.
Page 193: Customizing The Settings
3-49 OPTIMOD SURROUND PROCESSOR OPERATION significantly increasing program density. Hence, it is mainly useful for unobtrusive gain riding in sound-for-picture applications and in fine arts programming. If you need processing for loudness and/or processing that automatically corrects spectral balance inconsistency in the source material, we recom- mend using the Five-Band structure instead.
Page 194 3-50 OPERATION ORBAN MODEL 8685 The control can be adjusted from 0.5 dB/second (slow) to 20 dB/second (fast). Set- tings toward 20 dB/second result in a more consistently loud output, while settings toward 0.5 dB/second allow a wider variation of dynamic range. Both the setting of...
Page 195 2B Gate (“2B Gate Threshold”) threshold control determines the lowest input level that will be recognized as program material by OPTIMOD 8685; lower levels are con- sidered to be noise or background sounds and will cause the AGC or two-band com- pressor to gate, effectively freezing gain to prevent noise breathing.
Page 196: Advanced Two-Band Controls
3-52 OPERATION ORBAN MODEL 8685 2B Bass Coupling is used to set the balance between bass and the rest of the fre- quency spectrum. The two-band compressor processes audio in a master band for all audio above ap- proximately 200Hz, and a bass band for audio below approximately 200Hz. The control determines how closely the on-air balance of material below 200Hz matches that of the program material above 200Hz.
Page 197 3-53 OPTIMOD SURROUND PROCESSOR OPERATION A typical setting of the Bass>LFE B control is 3 dB, which caps the pos- OUPLING sible dynamic LFE boost at 3 dB. Some may prefer 0 dB, which precludes any dynamic LFE boost. 2B Master Attack sets the attack time of the Two-Band Compressor master com- pressor (above 200Hz).
Page 198: Nee Atio
3-54 OPERATION ORBAN MODEL 8685 For example, if the 2B B is set to 10 , the release rate (in dB/second) will REAKPOINT be constant when the gain reduction is above 10 dB. Between 10 dB and 0 dB gain reduction, the release rate will slow down more and more.
Page 199: The Five-Band Structure
3-55 OPTIMOD SURROUND PROCESSOR OPERATION is a good starting point for setting this control. Loudness Controller Attack: See Loudness Control on page 3- 14. Loudness Controller Bass Couple: See Loudness Control on page 3- 14. Master Main>Center Max +Delta GR: Along with the other GR con- ELTA trols, this control is explained in Multiband , starting on page 3-11.
Page 200: Customizing The Settings
3-56 OPERATION ORBAN MODEL 8685 Note that the active D setting greatly influences the loudness of a given pre- IALNORM set. See Low-IM Look-Ahead Limiter on page 3-13. Customizing the Settings The controls in the Five-Band structure give you the flexibility to customize your sta- tion sound.
Page 201 3-57 OPTIMOD SURROUND PROCESSOR OPERATION When the release time of the Five-Band compressor is set towards fast, the setting of the M control becomes much more critical to sound quality because ULTIBAND RIVE density increases as the control is turned up. Listen carefully as you adjust it. With these fast release times, there is a point beyond which increasing the Five-Band compressor drive will no longer yield more loudness and will simply degrade the punch and definition of the sound.
Page 202 ENTER MB Gate Threshold control determines the lowest input level that will be recog- nized as program by OPTIMOD 8685; lower levels are considered to be noise or background sounds and cause the AGC or multiband compressor to gate, effectively freezing gain to prevent noise breathing.
Page 203 3-59 OPTIMOD SURROUND PROCESSOR OPERATION der gated conditions, because bands 2 and 3 have the same gain. The gate also independently freezes the gain of the two highest frequency bands (forcing the gain of the highest frequency band to be identical to its lower neighbor), and independently sets the gain of the lowest frequency band according to the setting of the DJ B boost control (in the Equalization screen).
Page 204 3-60 OPERATION ORBAN MODEL 8685 with this sort of material (traffic reports from helicopters and the like) to avoid ob- jectionable side effects. You must let your ears guide you. MB Band Mix controls determine the relative balance of the bands in the multi- band compressor.
Page 205 3-61 OPTIMOD SURROUND PROCESSOR OPERATION ral upper midrange boost. The gain of band 5 is further affected by the B 4>5 control. OUPLING The C controls use an “OR” algorithm: the final gain reduction in a given OUPLING band is the higher of (1) the gain reduction that would have been produced in that band with no coupling, OR (2) the gain reduction in the adjacent coupled band mul- tiplied by the setting of the C control.
Page 206: Advanced Five-Band Controls
3-62 OPERATION ORBAN MODEL 8685 equalizers and the HF enhancer, because these are located before the compressors. The compressors will thus protect the system from unusual overloads caused the chosen equalization. Use the multiband mix controls only for fine-tuning. You can also get a similar effect by adjusting the compression threshold of the indi- vidual bands.
Page 207 3-63 OPTIMOD SURROUND PROCESSOR OPERATION If your setting of a given D control would otherwise create a release ELTA ELEASE slower than “slow” or faster than “fast” (the two end-stops of the M ULTIBAND control), the band in question will instead set its release time at the appro- ELEASE priate end-stop.
Page 208: Test Modes
3-64 OPERATION ORBAN MODEL 8685 Test Modes The Test Modes screen allows you to switch between O , and T PERATE YPASS When you switch to B or T , the 8685 saves the preset you had on-air and YPASS will restore it when you switch back to O .
Page 209: Using The 8685 Pc Remote Control Software
Before running 8685 PC Remote, you must have installed the appropriate Windows communications services on your computer. By default, the installer installs a short- cut to 8685PC.exe on your desktop and in your Start Menu under Orban\Optimod 8685. 8685 PC Remote can control only one 8685 at a time, but it can readily switch be- tween several 8685s.
Page 210: To Initiate Communication
• If an Enter Passcode dialog box appears, enter a valid passcode and the 8685 PC Remote software will initiate a connection to the 8685 unit. When run, the Orban PC Remote software installer makes copies of all 8685 fac- tory preset files on your local hard drive. The PC Remote software reads these files to speed up its initialization.
Page 211: To Recall A Preset
3-67 OPTIMOD SURROUND PROCESSOR OPERATION controls. All other menu tabs contain Full or Advanced Modify controls for a given processing channel. You can reset any Basic Modify Control without losing L func- tionality; Full and Advanced modify control adjustments will cause L to be grayed-out.
Page 212: To Save A User Preset You Have Created
The encryption options prevent archived presets, system files, and auto- mation files from being restored if the user does not have the password used for the encryption. There is no “back door”— Orban cannot help you to decrypt a preset whose password is unknown.
Page 213: Note To Users Familiar With Older Version Of Pc Remote
If the preset, Setup, or automation file was encrypted when it was originally saved, PC Remote will request the password under which it was encrypted. All User Presets are compatible with all 8685 software versions. If Orban adds new controls to a software version, the new software will assign a reasonable default value to any control missing in an old User Preset.
Page 214: To Modify The Active S
3-70 OPERATION ORBAN MODEL 8685 If you want to restore files from a different directory (i.e., that might have been created on a different 8685), navigate to that directory from within the dialog box. C) To restore a single user preset: a) Set the F field to a user preset file type (*.orb8685user).
Page 215: To Group Multiple 8685S
When you add a new 8685 or change the name of an existing 8685 Alias, an Alias folder is created in the same location as the executable for Optimod 8685 PC Re- mote (usually \Program Files\Orban\Optimod 8685). The folder has the same name as the Alias name.
Page 216: Multiple Installations Of Optimod 8685 Pc Remote
There are a few extra things to know if you have multiple installations. If you install a new version of the Optimod 8685 PC Remote software on your PC, any Alias folders and backup subfolders created in an earlier software version still remain in their original location on your PC (and in its registry).
Page 217: Using The 8685 For Production And Mastering
Do not use an external file manager (like Windows Explorer) to do this. The old Alias folders need to be re-created under the Optimod 8685 PC Remote software you wish to use (so that the registry entries can be correctly updated). You can do this two different ways.
Page 218 3-74 OPERATION ORBAN MODEL 8685 that the mastering engineer would want to tweak a preset carefully to complement the program material being mastered. The 8685 provides important tools to allow a mastering engineer to fine-tune the processing to complement the program mate- rial: •...
Page 219 3-75 OPTIMOD SURROUND PROCESSOR OPERATION namics processing, recall the L preset. See page 3-26 for HEAD IMITER a description of these presets. C) If you have started with one of the S presets, the AGC will already be . If you need a very large amount of compression for an application like processing material intended for in-flight entertainment systems, you can ei- ther edit the preset to turn the AGC on or start with a preset other than S You can turn the AGC off globally for all presets, which is convenient if...
Page 220 3-76 OPERATION ORBAN MODEL 8685 mum output level of the compressor, regardless the K control’s set- ting. J) Adjust the L controls to taste. IMITER TTACK These controls allow you to set the limiter attack anywhere from 0% to 100% of normal in the Five-Band compressors, each of whose gain reduc- tion has a fast-release (limiter) and slow-release (compressor) component.
Page 221 3-77 OPTIMOD SURROUND PROCESSOR OPERATION ahead peak limiter is a powerful tool for achieving this with minimum distortion or other side effects. Nevertheless, be aware that this function is not like some familiar “look-ahead” limiters. The release time is in the order of a few milliseconds and is not user adjustable.
Page 222: Appendix A: Using The Itu Bs.1770 And Cbs Loudness Meters To Measure Loudness Controller Performance
ITU BS.1770 algorithm for assessing and set- ting the loudness of DTV broadcasts. For many years, Orban has used the Jones & Torick loudness controller and loudness measuring technology in its products for loudness control of sound for picture. De-...
Page 223: Results
TV 5B GEN PURPOSE preset. The digital output of the processor was applied to the digital input of an Orban 1101 soundcard, which was adjusted to pass the au- dio without further processing and to apply it to an Orban software-based loudness meter that simultaneously computes the BS.1770 loudness and CBS loudness.
Page 224 3-80 OPERATION ORBAN MODEL 8685 8 6 8 5 - P r o c e s s e d M a t e r i a l A p p l i e d t o B S . 1 7 7 0 L o u d n e s s M e t e r A l g o r i t h m...
Page 225: Histograms
Studies indicating that BS.1770 is inaccurate at very low frequencies In addition to its lack of silence gating, another weakness of BS.1770 is that, unlike the CBS loudness controller and meter as implemented in Orban products, the...
Page 226 3-82 OPERATION ORBAN MODEL 8685 B S . 1 7 7 0 H i s t o g r a m I n t e g r a t i o n T i m e = 1 0 s e c...
Page 227: Conclusions
(or worse from the broadcaster’s point of view, to mute a commercial). Whether measured via the CBS or BS.1770 algorithms, the CBS loudness controller algorithm in Orban’s current products effectively controls subjective loudness to much better than this +2, –5 dB window.
Page 228 All loudness controllers are not created equal even if they produce iden- tical measurements on a loudness meter. —Robert Orban, February 2010 Stone, Michael A.; Moore, Brian C. J.; Füllgrabe, Christian; Hinton, Andrew C., ”Multichannel Fast-Acting Dynamic Range Compression Hinders Performance by Young, Normal-Hearing Listeners in a Two-Talker Separation Task,”...
Page 229: Section 4 Maintenance
Section 4 Maintenance Routine Maintenance The Optimod 8685 Audio Processor uses highly stable digital and analog circuitry throughout. Recommended routine maintenance is minimal. 1. Periodically check audio level and gain reduction meter readings. Become familiar with normal audio level meter readings, and with the normal performance of the G/R metering.
Page 230: Subassembly Removal And Replacement
MAINTENANCE ORBAN MODEL 8685 Subassembly Removal and Replacement See page 6-37 for the Circuit Board Locator and Basic Interconnections diagram. 1. Removing the Top Cover. To access the main boards, power supply board or display assembly, you must remove the top cover.
Page 231 OPTIMOD MAINTENANCE F) Disconnect the power cable assembly from J801 of the DSP board. G) Remove the six Phillips screws holding the DSP board to the bottom of the chassis. H) Remove the DSP board. 4. Removing the Front Panel. To service the headphone amplifier, the color LCD display, the pushbuttons, or the rotary encoder, it is first necessary to remove the front panel assembly.
Page 232 MAINTENANCE ORBAN MODEL 8685 7. Removing the Rotary Encoder Board. Remove the four screws holding the board to the standoffs and lift the board from the standoffs. All of the knobs and buttons are friction-fit and can be removed, if necessary, by pulling them off their shafts.
Page 233 OPTIMOD MAINTENANCE 11. Removing the Display interface Board. You must first remove the CPU Module before removing the Display Interface Board. A) Unscrew the four standoffs that had supported the CPU board before it was removed. B) Carefully pull the Display Interface Board evenly away from the Base Board, being careful not to stress any ribbon cables still connected to it.
Page 234 MAINTENANCE ORBAN MODEL 8685 H) Remove the power supply assembly. 14. Replacing the Power Supply Assembly: A) Hold power supply board into main chassis, so that it aligns with the four mounting holes on the top apron of the chassis.
Page 235 OPTIMOD MAINTENANCE 18. Replacing the CPU Board: To avoid bent pins or other damage verify that all connector pins are aligned be- fore applying force. Referring to step 10, follow the instructions in reverse. 19. Replacing the Serial Port Board: Referring to step 9, follow the instructions in reverse.
Page 236: Field Audit Of Performance
MAINTENANCE ORBAN MODEL 8685 Field Audit of Performance Required Equipment: • Bitstream analyzer that can accept AES3id inputs Audio Precision System 2 Stanford Research Systems SR1 NTI Digilyzer DL1 or equivalent • Digital voltmeter (for testing power supply voltages) Accurate to ±0.1%.
Page 237 OPTIMOD MAINTENANCE most frequencies. However, in an emergency it is usually possible to detect many of the more severe faults that could develop in the 8685 circuitry even in high-RF envi- ronments. See the assembly drawings in Section 6 for component locations. Be sure to turn the power off before removing or installing circuit boards.
Page 238 4-10 MAINTENANCE ORBAN MODEL 8685 Number of Red Flashes Problem With CPU +2.5V supply Table 4-1: Decoder Chart for Power Supervisor You can monitor power supply voltages at connector J7 on the power supply board (see page 6-51 for the parts locator drawing and page 6-52 for the schematic).
Page 239: Test Procedure For The Base I/O Module
4-11 OPTIMOD MAINTENANCE Test Procedure for the Base I/O Module If you have an 8685 with the base I/O module (no HD-SDI), follow steps 4 through 9 below. 4. Test Digital I/O and Sync for Input/Output 1/2 (Lf/Rf). A) Recall the A 3 Setup.
Page 240 4-12 MAINTENANCE ORBAN MODEL 8685 7. Test Digital I/O and Sync for Input/Output 7/8 (Lb/Rb). Connect the 8685’s O 11/12 BNC connector to its I 7/8 BNC connector, UTPUT NPUT connect the analyzer to O 7/8, and follow the procedure in step 4 by anal- UTPUT ogy.
Page 241 4-13 OPTIMOD MAINTENANCE D) L to diagnostic screen 3 at the unit or, after connecting via PC Remote, OCATE open the PC diagnostic dialog box. Verify that the last line reads “485 loop- back ok.” • If the loopback fails, no text will be displayed—there is no “error message.” •...
Page 242 4-14 MAINTENANCE ORBAN MODEL 8685 c) Verify that the frequencies measured at the 8685’s O 1/2 follow the UTPUT values Table 4-4 on page 4-11 within the given tolerances. 13. Test Digital I/O and Sync for Input/Output 3/4 (C/LFE). Connect the 8685’s O...
Page 243 8685’s AES3id inputs 1/2, 3/4, and 5/6 can be encoded and routed to AES3id output 1/2. 17. Return OPTIMOD 8685 to service. A) Remove the 620Ω resistors connected across the outputs. B) Restore your normal operating parameters by recalling the Setup you saved in...
Page 245: Section 5 Troubleshooting
OPTIMOD SURROUND PROCESSOR TROUBLESHOOTING Section 5 Troubleshooting Problems and Potential Solutions Always verify that the problem is not the source material being fed to the 8685, or in other parts of the system. Refer to Section 3 for discussions of the controls referred to below. Loudness incorrect compared to other Dolby Digital Transmissions •...
Page 246: Loudness Controller Reduces Transient Punch Of Programming
TROUBLESHOOTING ORBAN MODEL 8685 • Once D is correct, be sure that your active preset is causing the 8685’s IALNORM meter to indicate approximately 3 dB of gain reduction OUDNESS AIN REDUCTION on normal dialog. Adjust its MB L control if it does not. When the loud-...
Page 247: Lfe Channel Is Unbalanced With Respect To The Rest Of The Audio Spectrum
OPTIMOD SURROUND PROCESSOR TROUBLESHOOTING • If the Loudness Controller is active but, based on its gain reduction meter, you do not believe it is working hard enough, set its threshold lower using the L OUDNESS control. ONTROLLER HRESH Note that the Loudness Controller controls subjective loudness to an ab- solute threshold and does not understand the context of the program.
Page 248: Too Much Bass When The Loudness Controller Is Producing Large Amounts Of Gr
TROUBLESHOOTING ORBAN MODEL 8685 • Particularly if you are using the Two-Band structure, try using the 8685’s HF En- hancer. See Dialog is muffled above. Too much bass when the loudness controller is producing large amounts of GR • The loudness controller is producing too little gain reduction in the below-200 Hz band.
Page 249: Audible Noise
OPTIMOD SURROUND PROCESSOR TROUBLESHOOTING and/or look-ahead peak limiters. Watch the gain reduction meters and do not let them go to full scale. You can turn down the gain reduction in the multiband compressors via the MB D (five-band) and 2-B (two-band) controls.
Page 250: System Will Not Pass Line-Up Tones At 100% Modulation
TROUBLESHOOTING ORBAN MODEL 8685 System will not pass line-up tones at 100% modulation • This is normal. Sine waves have a very low peak-to-average ratio by comparison to program material. The processing thus automatically reduces their peak level to bring their average level closer to program material, promoting a more consis- tent and well-balanced sound quality.
Page 251: General Dissatisfaction With Subjective Sound Quality
OPTIMOD SURROUND PROCESSOR TROUBLESHOOTING General dissatisfaction with subjective sound quality • The 8685 is a complex processor that can be adjusted for many different tastes. For most users, the factory presets, as augmented by the gamut offered by the control for each preset, are sufficient to find a satisfactory “sound.” However, some users will not be satisfied until they have accessed other Modify Processing controls and have adjusted the subjective setup controls in detail to their satisfaction.
Page 252: You Cannot Access The Internet After Making A Direct Or Modem Connection To The 8685
TROUBLESHOOTING ORBAN MODEL 8685 A) You may have the wrong interface type set on your 8685. L to S > OCATE ETUP and check the interface & R > N > S ETWORK EMOTE ETWORK ERIAL NTERFACE setting. See Connecting to the 8685’s Ethernet Port or RS-232 Port Using TCP/IP on page 2-52.
Page 253: Os-Specific Troubleshooting Advice
L) Click “OK” to dismiss the “Advanced TCP/IP Settings” window. M) On the “Properties” window for “Optimod 8685 – Modem” click the “Ad- vanced” tab. N) Click “OK” to dismiss the window whose name is your new connection.
Page 254: Troubleshooting Windows Xp Modem Connect
Restart your computer. (This resets the serial port and reduces the likelihood that you will encounter problems connecting to the 8685.) Technical Support If you require technical support, contact Orban customer service. Be prepared to de- scribe the problem accurately. Know the serial number of your 8685 ⎯ this is located...
Page 255: Factory Service
Returned units will be returned C.O.D. if the unit is not under warranty. Orban will pay return shipping if the unit is still under warranty. In all cases, the customer pays transportation charges to the factory (which are usually quite nominal).
Page 256 5-12 TROUBLESHOOTING ORBAN MODEL 8685 DELICATE INSTRUMENT, FRAGILE! Insure the package properly. Ship prepaid, not collect. Do not ship parcel post. Your Return Authorization Number must be shown on the label, or the package will not be accepted.
Page 257: Section 6 Technical Data
OPTIMOD SURROUND PROCESSOR TECHNICAL DATA Section 6 Technical Data Specifications It is impossible to characterize the listening quality of even the simplest limiter or compressor based on specifications, because such specifications cannot adequately describe the crucial dynamic processes that occur under program conditions. There- fore, the only way to evaluate the sound of an audio processor meaningfully is by subjective listening tests.
Page 258: Installation
TECHNICAL DATA ORBAN MODEL 8685 Delay: The minimum available input/output delay is approximately 20 ms with look-ahead limiting active and 6 ms with look-ahead limiting bypassed. This can be padded to ex- actly one or two frames of 24, 25, 29.97, 30, 50, 59.94, or 60 frames/second video up to a maximum delay of 60 ms.
Page 259 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA Filtering: RFI filtered. Base Configuration: Digital Audio Outputs (x6) Configuration: AESid. Internal, remote-controllable routing switcher allows sending LF, RF, C, LB1, RB1, LFE, LB2, RB2, STEREO L, STEREO R, DOWNMIX L, and DOWNMIX R to any hardware output channel. Sample Rate: Internal free running at 32, 44.1, 48, 88.1 or 96 kHz, selected in software.
Page 260 In addition to the ability to receive and emit program audio, the AES3id I/O can be configured as a loop-through to support Orban’s external Penteo upmixer. The AES3id I/O offers the same performance as the AES3id I/O in the base con- figuration above.
Page 261 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA Base and HD-SDI Configurations: Analog Audio Outputs Configuration: One pair of outputs, which can be configured in software to emit LF, RF, C, LB1, RB1, LFE, LB2, RB2, STEREO L, STEREO R, DOWNMIX L, DOWNMIX R, LF/RF, C, LB1/RB1, LB2/RB2, STEREO L/R, and DOWNMIX L/R signals.
Page 262: Circuit Description
RFI / EMI: Tested according to Cenelec procedures. FCC Part 15 Class A device. Shipping Weight: 40 lbs. / 18.1 kg Warranty Two Years, Parts and Service: Subject to the limitations set forth in Orban's Standard Warranty Agreement. Because engineering improvements are ongoing, specifications are subject to change with- out notice.
Page 263: Overview
The flash memory holds the operating system, the Orban executable program, and all preset files, both factory and user. It also contains a write-protected “boot seg- ment”...
Page 264: User Control Interface And Lcd Display Circuits
DSP code download has finished. If you hear a two-second audio mute on air, you can assume that the 8685 has rebooted for some reason. Be prepared to convey this fact to Orban customer service if you call for technical assistance.
Page 265: Input Circuits
OPTIMOD SURROUND PROCESSOR TECHNICAL DATA field-repairable. 2. Color LCD Display The color LCD is an active-matrix quarter-VGA panel. The CPU addresses its control- ler chip through the CPU’s ISA bus. The controller is on a board sandwiched between the CPU module and the base board: The graphics controller plugs into the base board and the CPU module plugs into the graphics controller.
Page 266: Output Circuits
6-10 TECHNICAL DATA ORBAN MODEL 8685 Output Circuits This circuitry interfaces the DSP to the analog and digital audio outputs. The digital audio from the DSP is transmitted to the digital-to-analog converter (D/A) and out- put sample rate converters (SRC). The digital-to-analog (D/A) converter converts the digital audio words generated by the DSP to analog audio.
Page 267: Dsp Circuit
6-11 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA The buffered output of IC201 is applied to IC204, a balanced output line driver. This driver emulates a floating transformer. One side of its output can be grounded without affecting its differential output level. IC204 and its right channel counterpart IC205 are socketed for easy field replacement.
Page 268: Power Supply
During system initialization, the SC520 queries the DSP hardware about its opera- tional status and will display an error message on-screen if the DSP fails to initialize normally. Please note any such messages and be ready to report them to Orban Cus- tomer Service.
Page 269: Hd-Sdi Module (Optional)
6-13 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA HD-SDI Module (optional) As stated above, we do not recommend attempting to service the HD-SDI circuit board at the component level because it is a high-speed 10-layer board and easy to damage. Nevertheless, for completeness, we provide a parts list, parts locator draw- ings and schematics for the SDI module.
Page 270 6-14 TECHNICAL DATA ORBAN MODEL 8685 decibel voltage measurement. 0 dBu = 0.775V RMS. For this application, the dBm-into- 600Ω scale on voltmeters can be read as if it were calibrated in dBu. digital input disk jockey, an announcer who plays records in a club or on the air...
Page 271: Parts List
Consult the factory if the listing of a part includes the note “selected” or “realignment required.” Orban normally maintains an inventory of tested, exact replacement parts that can be supplied quickly at nominal cost. Standardized spare part kits are also available.
Page 272: Base Board
6-16 TECHNICAL DATA ORBAN MODEL 8685 Base Board BASE BOARD PART # DESCRIPTION COMPONENT IDENTIFIER Subassembly Flat Cable-40P- 42008.020Q 2"" 16013.000.01 Heatsink, Clip On TO 220 Resistor, METALFIM, 1/8W, R28, 30, 33, 35, 37, 39, 44, 46, 48, 49, 50, 20040.604.01...
Page 273: Cpu Module
6-17 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA BASE BOARD PART # DESCRIPTION COMPONENT IDENTIFIER 24982.000.01 IC, 74HC4051M 24983.000.01 IC, 7064STC100-10 24984.000.01 IC, LP2987IM-5.0 25008.000.01 IC, PS2506-4 U10, 12 LED, Red/Green, Bi- 25112.001.01 Color/POLR Connector, Right Angle, PC 27017.025.01 Board Mount, 25P 27147.018.01 IC, Socket, DIP, 18 PIN, DUAL SU18...
Page 274 6-18 TECHNICAL DATA ORBAN MODEL 8685 CPU MODULE PART # DESCRIPTION COMPONENT, IDENTIFIER 20128.499.01 Resistor, 49.9Ω 1% 0805 R19, R20, R21, R22, R23 20129.160.01 Resistor, 160Ω 1% 0805 R24, R25 20129.330.01 Resistor, 330Ω 1% 0805 R12, R16 20129.470.01 Resistor, 470Ω 1% 0805 R13, R15 20130.100.01...
Page 275: Serial I/O Board
6-19 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA CPU MODULE PART # DESCRIPTION COMPONENT, IDENTIFIER IC Microprocessor ELANSC520 24972.520.01 BGA388 Connector RJ45 PCMT 27306.000.01 W/MAGS 27370.040.01 Connector Socket PC104 40pin 27370.064.01 Connector Socket PC104 64pin P1, P3 28031.000.01 Holder, Battery, Lithium Cell BT1HLDR 28041.000.01 Cell,Coin,Battery,Lithium,3V...
Page 276: Base Input/Output (I/O) Board (For Units Without Sdi)
6-20 TECHNICAL DATA ORBAN MODEL 8685 SERIAL I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER 24968.000.01.1 IC MAX208ECNG+ 24778.000.01.1 IC RS-485 Transceiver 14DIP U2, U3 29521.000.01.1 Inductor 3.9uH 10M391KLF L1, NO, STUFF 27421.050.01.1 Connector Header STR .23 2X25 22209.000.01.1 Diode Shottky 1A 60V SMD D1, D2, NO, STUFF 21141.000.01.1...
Page 277 6-21 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA BASE INPUT/OUTPUT BOARD (no SDI) PART # DESCRIPTION COMPONENT, IDENTIFIER 27406.014.01.1 Connector Socket Strip 14 pin JP600 C203, C204, C205, C206, C207, C208, C209, C210, C211, C212, C213, C300, C301, C302, C303, C304, C305, C306, C307, C308, C309, C310, C311, C312, C313, C314, C400, C401, C402, C403, C404, C405, C406, C407, C408, C409, C410, C411, C412, C413, C414, C500,...
Page 278: Dsp Board
6-22 TECHNICAL DATA ORBAN MODEL 8685 DSP Board DSP BOARD PART # DESCRIPTION COMPONENT IDENTIFIER Resistor 0.02 Ω 1/4W 1% Sur- 20119.020.01.1 (R701, R702, R712 NO STUFF) face-Mount 32246.000.08.1 Circuit Board, DSP, 8500/8585 Header STR Double Row PC- 27451.002.01.1 J604...
Page 279 6-23 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA DSP BOARD PART # DESCRIPTION COMPONENT IDENTIFIER 20128.332.01.1 Resistor 33.2 Ω 0805 1% 1/8W R615 20130.499.01.1 Resistor R0805 4.99K 1% 1/8W R100, R510, R705 20130.200.01.1 Resistor 2.00K 0805 R707, R708, R709, R710 Inductor, Toroidal 8.06uH FIT44- 29527.000.01.1 L701 29512.000.01.1...
Page 280: Interface Board
6-24 TECHNICAL DATA ORBAN MODEL 8685 Interface Board INTERFACE BOARD PART # DESCRIPTION COMPONENT IDENTIFIER R102, R103, R104, R105, R116, R117, R128, 20128.000.01 Resistor, 0Ω, 0805 R129, R130, R131, R138, R139, R140, R209 20128.010.01 Resistor, 10Ω, 0805 R121 20130.100.01 Resistor, 1.00K 1% 0805...
Page 281: Encoder Board
6-25 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA HEADPHONE BOARD PART # DESCRIPTION COMPONENT IDENTIFIER Capacitor, X7R, 0.1uF, 10%, 21139.000.01 C5, C6, C7, C8, C9, C10, C11, C12 0805 Capacitor, NPO, 100PF, 1%, 21142.000.01 C2, C4 0805 Capacitor, Metalized Polyester, 21445.510.01 C1, C3 1.0uF, 50V, 5% 24025.000.01 IC, BUF634P, DIP8...
Page 282: Power Supply Distribution Board
6-26 TECHNICAL DATA ORBAN MODEL 8685 LCD CARRIER BOARD PART # DESCRIPTION COMPONENT IDENTIFIER 25409.000.01 LCD Display 320 X 240 LCD1 27420.002.01 Connector 2 PIN Right Angle 27757.033.01 Connector, FPC, 33PIN Rot-Lock J2, J3 Power Supply Distribution Board POWER SUPPLY DISTRIBUTION...
Page 283: Optional Hd-Sdi I/O Board
6-27 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA POWER SUPPLY DISTRIBUTION PART # DESCRIPTION COMPONENT IDENTIFIER 30V5.6A Transistor MOSFET N-Channel 23417.000.01.1 Q1, Q2, Q5, Q6 FDD6770A 24351.000.01.1 IC Voltage Regulator NEG 5V D2PAK 24350.000.01.1 IC Voltage Regulator POS 5V D2PAK 29555.126.01.1 Inductor 12UH 12A Toroid Vertical 27451.024.01.1 Header STR Double Row PC-Mount 27451.003.01.1...
Page 284 6-28 TECHNICAL DATA ORBAN MODEL 8685 OPTIONAL HD-SDI I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER Connector Header Double Row 27421.002.01.1 (J701, J702, NO STUFF) 2P 2 X 1 16023.600.01.1 HEATSINK BGA 28X28X15MM HEATSINK U700 Inductor 3.3UH 9A Surface- 29557.033.01.1 L600, L601, L604, L605 Mount 20130.970.01.1...
Page 285 6-29 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA OPTIONAL HD-SDI I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER 28045.250.01.1 Crystal 25.000MHZ 18PF SMD Y902 28045.200.01.1 Crystal 20.000MHZ 18PF SMD Y900 27115.000.01.1 Connector BNC RA 6GHZ 75Ω J200, J201 IC FPGA VERTEX5 30K 24796.300.01.1 U700 665FPGA C717, C718, C720, C721, C723, C724,...
Page 286 6-30 TECHNICAL DATA ORBAN MODEL 8685 OPTIONAL HD-SDI I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER C341, C342, C343, C344, C345, C400, C403, C406, C409, C503, C600, C606, C806, C814, C900, C901, C902, C908, C917, C918, C1009, C1012, C1017, C1200, C1201, C1206, C1309, C1310, C1314,...
Page 287 6-31 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA OPTIONAL HD-SDI I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER Resistor Network 47ohm 5% 8- RN200, RN800, RN801, RN802, RN803, 20239.000.01.1 Resistor Surface-Mount RN804, RN805, RN807 Capacitor SMD1206 4700PF 21138.247.01.1 C615 50V 5% 20166.051.01.1 Resistor 1/4W 5.1Ω 1% R900, R906, R909 Resistor 1/8W 1% 619 ohm 20132.619.01.1...
Page 288 6-32 TECHNICAL DATA ORBAN MODEL 8685 OPTIONAL HD-SDI I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER Inductor Shielded PWR 680uH 29550.000.01.1 L602, L603 760mA IC DDR SDRAM 512MB 66- 24798.000.01.1 U800, U802 IC GS2974ACNE Cable Equal- 24680.000.01.1 U200 izer 24679.000.01.1 IC GS2978-CNE3 U201 24349.000.01.1...
Page 289: Optional Serial Rs-232 / Rs-485 Board For Hd-Sdi Option
6-33 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA OPTIONAL HD-SDI I/O BOARD PART # DESCRIPTION COMPONENT IDENTIFIER 21319.610.01.1 Capacitor 10uf Tantalum SMT C601, C607 C112, C113, C116, C117, C122, C123, 21140.000.01.1 Capacitor NPO 470PF 1% 0805 C124, C125, C224 20130.332.01.1 Resistor 1% 3.32K 0805 R610 Resistor Network 1.0K 5% 4- 20240.000.01.1...
Page 290: Schematics And Parts Locator Drawings
6-34 TECHNICAL DATA ORBAN MODEL 8685 SERIAL BOARD for SDI OPTION PART # DESCRIPTION COMPONENT IDENTIFIER Connector Header STR .23 27421.050.01.1 J100 2X25 Capacitor NPO 1000PF 1% 21141.000.01.1 C102 0805 20132.100.01.1 Resistor 1/8W 1% 100K R0805 R102 20130.100.01.1 Resistor 1.00K 1% 0805...
Page 291 6-35 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA Function Description Drawing Page RS-232 Board Supports Serial Port Parts Locator 6-49 (base model) Drawing Schematic 1 of 1 6-50 Power supply supervisor automati- Parts Locator Dual Power 6-51 Supply cally chooses good power supply if Drawing Distribution one of the dual supplies fails.
Page 292 6-36 TECHNICAL DATA ORBAN MODEL 8685 Function Description Drawing Page System Interconnect Schematic 1 of 17 6-81 Analog Output Schematic 2 of 17 6-82 Video I/O Schematic 3 of 17 6-83 AES I/O Schematic 4 of 17 6-84 SDI I/O...
Page 293 6-37 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA...
Page 294 6-38 TECHNICAL DATA ORBAN MODEL 8685 Base Board Parts Locator Drawing (for schematic 62165.000.06)
Page 295 6-39 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +5VD +RAW SD(0..15) FROM POWER SUPPLY 2-1A, 1-5A TV11 TV12 TV13 TV14 +5VD 74ACT245DW /GPIOWR 2-1A, 1-5D SIN2 /GPIORD 2-1A, 1-5D +5vD SOUT2 /FP_BUSEN 2-1B /RTS2 FPLED1 FP_D0 4-2B /CTS2 FPLED2 FP_D1 +RAW 4-2B DISPLAY FP_D2 2-1D...
Page 296 6-40 TECHNICAL DATA ORBAN MODEL 8685 /MEMCS16 2-1B /MEMWR 2-1B /MEMRD 2-1B /SMEMWR 3-7C /SMEMRD 3-7C /SBHE TV66 /GPIOCS 2-1B /GPIOCS16 2-1B /GPIOWR 3-6D, 2-1A /GPIORD 3-6D, 2-1A +5VD RSTDRV 3-7C, 2-1B GPRDY TV67 GPAEN JTAG_TRIG 2-1A, 3-7C TV85 GPTC...
Page 297 6-41 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +RAW +15V LP2987IM-5.0 2.00K N.C. Plus15V OUTPUT INPUT 75.0 Ω 75.0 Ω 1N4148 Plus15V SENSE /SHUTDOWN /ERROR DELAY 10.0K Vcc_PSM 332K +RAW 75.0 Ω 1N4148 Minus15V 14.0K 10.0K DGND BAT54C 74HC4051M PMA0 BAT54C PMA1 Plus5VA PMA2 10.0K...
Page 298 6-42 TECHNICAL DATA ORBAN MODEL 8685 FP_ROW-COL 3-1B DISPLAY 3-6D +5VD /LED ENC1 3-1B 3-1B /ENCODER ENC2 3-1B 3-1B LED_PULSE PWRFAIL +5VD 3-1B 4-2C 74ACT245DW +5VD R104 ERROR R103 4-2C 10.0K /GPIORD 10.0K +5VD /AUX_BUSEN To Peripheral Board U13c U11g...
Page 299 6-43 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA CPU MODULE Drawing 32200.000.02...
Page 300 6-44 TECHNICAL DATA ORBAN MODEL 8685 +3.3 VDC +3.3 VDC 160 ohm, 5%, 0805 160 ohm, 5%, 0805 4.7 k, 5%, CTS 745?083472J PCI_AD[0..31] PCI_AD31 PCI_AD31 AD31 AD31 Req4-n PCI_AD30 PCI_AD30 +3.3 VDC Req4-n AD30 AD30 Req3-n PCI_AD29 PCI_AD29 Req3-n...
Page 301 6-45 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA GP_SMemRd-n = GPA20 + GPA21 + GPA22 + GPA23 + GPA24 + GP_MemRd-n +5 VDC +5 VDC +5 VDC GPA23 GP_SMemWr-n Out0 GP_SMemWr-n = GPA20 + GPA21 + GPA22 + GPA23 + GPA24 + GP_MemWr-n GP_SMemRd-n Out1 MasterReset-n...
Page 302 6-46 TECHNICAL DATA ORBAN MODEL 8685 MD[0..31] MA[0..12] MA12 MA12 MD15 MA12 MD31 MA12 DQ15 DQ15 MA11 MA11 MD14 MA11 MD30 MA11 DQ14 DQ14 MD31 MA10 MA10 MD13 MA10 MD29 MD31 MA10 A10/AP DQ13 A10/AP DQ13 MD30 MD12 MD28 MD30...
Page 303 6-47 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +3.3 VDC 4.75 k, 5%, 0805 Trig/Trace AF25 AC13 Trig/Trace BR/TC AF23 AD24 BR/TC JTAG_TMS AE21 JTAG_TMS JTAG_TDI AE25 AF21 JTAG_TDI JTAG_TCK AE24 AD21 JTAG_TCK Ring2-n AD26 PIO31/Ring2-n DCD2-n AD25 PIO30/DCD2-n DSR2-n PIO29/DSR2-n CTS2-n PIO28/CTS2-n Ring1-n AC25...
Page 304 6-48 TECHNICAL DATA ORBAN MODEL 8685 +2.5 VDC +3.3 VDC +3.3 VDC +3.3 VDC +5 VDC Res3 Res2 Res1 Vin Vout Vccq 1 uf 10 uf, low ESR Vssq Vddq Vssq Vddq Gnd Gnd FSGnd FSVdd Vssq Vddq Vssq Vddq...
Page 305 6-49 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA RS232 Board Parts Locator Drawing (for schematic 62250.000.02)
Page 306 6-50 TECHNICAL DATA ORBAN MODEL 8685 +5VD 62250.000.02 0.1uF Revision History: D1 & D2 Dual Footprints - No-stuff - 3.9uH ECO# DATE DESCRIPTION DONE CHECKED +5VD 3124 12/15/03 Created for 8500 project. DGND DGND 1 A. 1 A. 3179 11/02/04 Changed sockets;...
Page 307 6-51 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA DUAL SUPPLY POWER DISTRIBUTION PARTS LOCATOR DRAWING 32380.000 (sheet 1 of 1)
Page 308 6-52 TECHNICAL DATA ORBAN MODEL 8685 FDD6770A FDD6770A +5V_PS1 1.62K 1.0UF DGND SMAJ5.0CA 10.0K 10OHM LT C4354IS8 0.1UF FAULT DGND DGND 31.6K   2.00K 2.00K STATUS 1.00K -15V_PS1 -15VD FAULT 1, 2, 5, 6 0.1UF SMAJ15CA 3.09K SI1472DH-T1-E3 -15VD ...
Page 309 6-53 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA From: Power Supply 1 From: Power Supply 2 Testing Access To: Future Expansion To: AUX I/O Power +5V_PS1 +5V_PS2 To: Baseboard +5VD +5VD +15VD -15VD +15VD +5VD PS1_OK_N (TV16) +15VA -15VA PS2_OK_N (TV17) +5VD +5VA PS1_2_OK_N +15V_PS1 -15V_PS1...
Page 310 6-54 TECHNICAL DATA ORBAN MODEL 8685 8585 Digital I/O & SRC Control & Miscellaneous Parts Locator 32330.000.02.1...
Page 311 6-55 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA LEFT ANALOG +5VA AGND1 OUTPUT C201 C222 J200 C218 1.0µF 470PF L200 C202 1%,50V FILTER L208 C203 IC201B L204 1.0µF R203 R207 R213 R219 1500PF OPA2134UA R229 3.9UH ..1%,50V 8.45K 8.45K +15V 82.5K...
Page 312 6-56 TECHNICAL DATA ORBAN MODEL 8685 AES3-id AES3-id INPUT 1-2 OUTPUT 1-2 DGND DGND L300 IC301A RX_LRCK_1-2 C300 C306 (SHT6) TX_LRCK_1-2 T300 (SHT6) RX_BCK_1-2 FERRITE RX1+ (SHT6) TX_BCK_1-2 IC304B IC304A (SHT6) C312 R303 0.1UF 0.1UF RX1- L306 R300 IC301B 210.0 OHM 210.0 OHM...
Page 313 6-57 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA AES3-id AES3-id INPUT 7-8 OUTPUT 7-8 L400 DGND IC401A RX_LRCK_7-8 C400 C406 (SHT6) TX_LRCK_7-8 T400 (SHT6) RX_BCK_7-8 FERRITE RX1+ (SHT6) TX_BCK_7-8 IC404B IC404A (SHT6) C412 R403 0.1UF 0.1UF RX1- L406 R400 IC401B 210.0 OHM 210.0 OHM DGND FERRITE...
Page 314 6-58 TECHNICAL DATA ORBAN MODEL 8685 IC304C IC305C IC306C IC404C IC405C IC406C IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA1 IFMTA1 IFMTB1 IFMTA1 IFMTA1 IFMTB1 IFMTA1 IFMTA1 IFMTB1 IFMTA1 IFMTA1 IFMTB1 IFMTA1 IFMTA1 IFMTB1 IFMTA1...
Page 315 6-59 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +3.3V IC601B SPARES C607 C608 C609 C610 BASE BOARD BASE BOARD JTAG +3.3V +3.3V CONNECTOR (CPLD) 0.1UF 0.1UF 0.1UF 0.1UF IC601A IC601D IC601E 74HC14A R601 +3.3V +3.3V JP600 1.00K DGND (SHT5) 74HC14A 74HC14A 74HC14A SOUT R607 R608...
Page 316 6-60 TECHNICAL DATA ORBAN MODEL 8685 NOTE: +3.3V +3.3V +3.3V +3.3V 1. -5VA (J700 PINS 3,4) IS NOT 1. -5VA (J700 PINS 3,4) IS NOT USED ON THIS ASSEM USED ON THIS ASSEMBLY. L700 L703 L706 L709 POWER SUPPLY POWER SUPPLY...
Page 317 6-61 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA DSP BOARD PARTS LOCATOR DIAGRAM FOR SCHEMATIC 62375.000.xx.1...
Page 318 6-62 TECHNICAL DATA ORBAN MODEL 8685 DSP CONTROL INTERFACE CLOCK GENERATION & CPLD POWER DISTRIBUTION 62375.000.01.1_Sheet03.SchDoc 62375.000.01.1_Sheet07.SchDoc 62375.000.01.1_Sheet08.SchDoc EXTAL PW R_SY NC EXTAL EXTAL PW R_SY NC PW R_SY NC IRQB-N IRQB-N IRQB-N DSP_RST-N DSP_RST-N DSP_RST-N IC201_0_CS-N IC201_0_CS-N IC201_0_CS-N IC201_1_CS-N...
Page 319 6-63 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA IC201A IC202A IC203A IN_FCLK FSY NC FSY NC FSY NC FSR_0/PC1_0 FST_0/PC4_0 FSR_0/PC1_0 FST_0/PC4_0 FSR_0/PC1_0 FST_0/PC4_0 IN_BCLK BCLK BCLK BCLK SCKR_0/PC0_0 SCKT_0/PC3_0 SCKR_0/PC0_0 SCKT_0/PC3_0 SCKR_0/PC0_0 SCKT_0/PC3_0 HCKR_0/PC2_0/SRCK HCKT_0/PC5_0/STCLK HCKR_0/PC2_0/SRCK HCKT_0/PC5_0/STCLK HCKR_0/PC2_0/SRCK HCKT_0/PC5_0/STCLK IC201_SDI0_0 IC201_IC202_X IC202_IC203_X SDI0_0/SDO5_0/PC6_0 IC201_SDI0_0...
Page 320 6-64 TECHNICAL DATA ORBAN MODEL 8685 IC201B IC202B IC203B EXTAL EXTAL EXTAL EXTAL (SHT7) EXTAL EXTAL XTAL EXTAL XTAL EXTAL XTAL TM S TM S TM S TM S TM S TM S IC201_IC202 IC201_TDO IC202_IC203 IC201_IC202 IC203_IC204 IC202_IC203 PINIT/NM I0...
Page 321 6-65 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA LA1D[0..2 3] LA2D[0..2 3] IC411A IC412A IC203C IC204C +3.3V +3.3V IC4 01B IC4 02B LA1D3 LA2D3 LAD0/PA0 LALE LAD0/PA0 LALE C401 C441 C402 C442 LA1D4 LA2D4 LAD1/PA1 LAD1/PA1 LA1D5 LA2D5 LAD2/PA2 LCS0 LAD2/PA2 LCS0 0.01UF 1.0UF 0.01UF...
Page 322 6-66 TECHNICAL DATA ORBAN MODEL 8685 IC201D IC202D IC203D +3.3V +3.3V +3.3V C211 C212 C213 IO_GND IO_VDD IO_GND IO_VDD IO_GND IO_VDD 0.01UF 0.01UF 0.01UF IO_GND IO_VDD IO_GND IO_VDD IO_GND IO_VDD C231 C232 C233 IO_GND IO_VDD IO_GND IO_VDD IO_GND IO_VDD 0.01UF 0.01UF...
Page 323 6-67 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA IC601A RESET +5VB C604 74AHCT04 IC602A IC601B 0.1UF +5VB IC604 74VHC08 ISA_D0 74AHCT04 +5VB ISA_D1 ISA_D2 ISA_D3 IC602B IC603A IC601C ISA_D4 BIOW -N R604 ISA_D5 ISA_CM N ISA_CM N (SHT7) 10.0K ISA_D6 BIOR-N ISA_D7 74VHC08 74AC11D 74AHCT04...
Page 324 6-68 TECHNICAL DATA ORBAN MODEL 8685 IC7 03 +3.3V C700 +3.3V IC201_0_CS-N IC209_SDO2_1 (SHT3) IC201_0_CS-N I0 (429) I0 (3) IC209_SDO2_1 (SHT2) C712 IC201_1_CS-N IC209_SDO2_3 (SHT3) IC201_1_CS-N I0 (426) I0 (6) IC209_SDO2_3 (SHT2) 0.1UF IC202_0_CS-N IC208_SDO5_3 TO I/O PCA (SHT3) IC202_0_CS-N...
Page 325 6-69 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA FROM POWER SUPPLY (NO-STUFF) TP 805 C8 27 IC8 01 0.01UF J8 01 SS/TRCK C8 09 C8 19 1.0UF 0.1UF L801 (NO-STUFF) PVIN C8 31 C8 35 TP 803 2 OHM 1.5uH R8 03 10µF +3.3V +3.3V...
Page 326 6-70 TECHNICAL DATA ORBAN MODEL 8685 LA7D[0..2 3] LA8D[0..2 3] LA9D[0..2 3] IC917A IC918A IC919A +3.3V +3.3V +3.3V IC9 07B IC9 08B IC9 09B LA7D3 LA8D3 LA9D3 C907 C947 C908 C948 C909 C949 LA7D4 LA8D4 LA9D4 LA7D5 LA8D5 LA9D5 0.01UF 1.0UF...
Page 327 6-71 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA LCD CARRIER PARTS LOCATOR 32270.000...
Page 328 6-72 TECHNICAL DATA ORBAN MODEL 8685 Revision History: 62270.000.02 LCD1 ECO# DATE DESCRIPTION DONE CHECKED 3174 03/08/04 First Cut Released 3200 08/27/04 LCD Rotation, add ZIFs, Move LED Connector OPTIMOD Flex Jumper 8500 SERIES orban Sharp LCY-99073B-17 Four M-3 screws to LCD frame (copper plane on front, under the LCD).
Page 329 6-73 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA ENCODER BOARD PARTS LOCATOR HEADPHONE BOARD PARTS LOCATOR...
Page 330 6-74 TECHNICAL DATA ORBAN MODEL 8685 +15vA 49.9k 100pF, 100v 100pF, 100v 10.0K 10.0K T-filter T-filter AGND Left Right 1000pF,50v 10.0 +15vA BUF634PA BUF634PA OPA2134 Headphone Jack Headphone Jack 1uF, 50v 1uF, 50v AGND AGND CHASSIS CHASSIS S O C K E T...
Page 331 6-75 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +5vD Joy_X Joy_Y ESCAPE From Interface Board From Interface Board MK Series Keyswitch MK Series Keyswitch LED (Green) LED (Green) Red Wire Red Wire FPLED1 Black Wire Black Wire FPLED2 +5vD Power Indicator LED is on a break-away. Power Indicator LED is on a break-away.
Page 332 6-76 TECHNICAL DATA ORBAN MODEL 8685 FRONT-PANEL INTERFACE BOARD PARTS LOCATOR DRAWING...
Page 333 6-77 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +5VD +3.3V R102 0 OHM +5VD +3.3V R103 0 OHM +3.3V R104 0 OHM IC101 R105 0 OHM R121 SD15 BSD15 IC100 10OHM +3.3V SD14 BSD14 Y100 TP100 SD13 BSD13 VccOsc VccCpu TP101 C102 R119 SD12 BSD12...
Page 334 6-78 TECHNICAL DATA ORBAN MODEL 8685 +5VD +3.3V TP200 TP201 TP208 + C200 + C201 C208 C207 C206 C205 C204 C203 C202 C212 C213 C214 C215 C216 C217 C218 C219 10UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 10UF 1.0UF 0.1UF 0.1UF...
Page 335 6-79 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA HD-SDI I/O BOARD: Parts Locator Drawing (top) 32360.000 (sheet 1 of 2)
Page 336 6-80 TECHNICAL DATA ORBAN MODEL 8685 HD-SDI I/O BOARD: Parts Locator Drawing (bottom) 32360.000 (sheet 2 of 2)
Page 337 6-81 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA U_Pg6 PIC Pg6 PIC.SchDoc U_Pg10 Clocks_XO Pg10 Clocks_XO.SchDoc U_Pg2 Analog_Out HOST_TX_A HOST_TX_A HOST_RX_A HOST_RX_A XO_1485_FSEL MGTCLK_1485_P Pg2 Analog_Out.SchDoc PMD[7..0] PMD[7..0] PMALL PMALL XO_1485_FSEL MGTCLK_1485_P MGTCLK_1485_N U_Pg8 FPGA SPI_SDI PMRD SPI_SDI PMRD MGTCLK_1485_N DAC_MCLK XO_160_P Pg8 FPGA.SchDoc DAC_MCLK PIC_RESET...
Page 338 6-82 TECHNICAL DATA ORBAN MODEL 8685 L100 HZ0805G102R-10 +5VA LEFT ANALOG OUT C118 C104 10uF C122 J101 1500pF 470PF L106 U101B AGND1 FILTER R101 R108 R109 L101 R115 R119 C108 OPA2134UA C105 LEFT 10uF R127 8.45K 8.45K 82.5K 3.48K 8.45K 3.3uH...
Page 339 6-83 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +3.3V C200 1.0uF C201 C202 MULTI-RATE SDI +3.3V CABLE EQUALIZER 0.47µF 0.47µF C205 VIDEO RX 0.1uF MGT_VID1_RX_P MGT_VID1_RX_P VIDEO TX C206 DGND U200 C-NP 3Gbps Max GS2974A MGT_VID1_RX_N MGT_VID1_RX_N 3Gbps Max J200 K200C VCC_D DGND C203 L201...
Page 340 6-84 TECHNICAL DATA ORBAN MODEL 8685 AES3-id INPUT 1-2 TP300 TP301 RX_LRCK_1-2 AES_ILRCK_1-2 AES3-id J300A TP302 TP303 TP304 R300 RX_BCK_1-2 AES_IBCK_1-2 TX_LRCK_1-2 U300A BNC DUAL with CAPACITOR L303 TP305 TP306 TP307 210.0 O HM OUTPUT 1-2 RXCKO_1-2 AES_IDATA_1-2 TX_BCK_1-2 T300...
Page 341 6-85 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA TP416 TP417 U400A U402A TP415 SRC4184IPAG SRC4184IPAG SDI AUDIO IN CH 1-2 SDI AUDIO OUT CH 1-2 SDI_IREF_CLK_1-2 RCKIA SDI_OREF_CLK_1-2 RCKIA SDI_ILRCK_1-2 LRCKIA LRCKOA SDI_IN_LRCK_1-2 SDI_OLRCK_1-2 LRCKIA LRCKOA SDI_OUT_LRCK_1-2 SDI_IBCK_1-2 BCKIA BCKOA SDI_IN_BCK_1-2 SDI_OBCK_1-2 BCKIA BCKOA SDI_OUT_BCK_1-2...
Page 342 6-86 TECHNICAL DATA ORBAN MODEL 8685 PMCS2 TP500 PMALL TP501 PMRD TP502 PMWR +3.3V TP503 C506 IN-CIRCUIT SERIAL SPI_SCK TP504 PROGRAMMING INTERFACE +PIC_PWR SPI_SDO TP505 U501 0.1uF SPI_SDI TP506 SN74AHC138PWR DGND PIC Parallel Port Configuration: J501 PIC_VSYNC SPI_SEL_A0 Master Mode...
Page 343 6-87 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA U601 U603 TP606 JMP_1.8V TP623 JMP_2.5V LM20134MH LM20134MH L601 L604 +5VD PVIN +1.8V +5VD PVIN +2.5V 3.3uH 3.3uH R614 W600 W604 PVIN PVIN 4.75K R601 R606 R608 R619 R613 1.0 Ohm 12.4K 1.0 Ohm 4.75K 21.0K W602...
Page 344 6-88 TECHNICAL DATA ORBAN MODEL 8685 DDR SDRAM RN702 47 O HM 5% AES_IREFCLK2_3-4 BANK 11: +2.5V DDD[31..0] AES_IREFCLK2_5-6 DDD[31..0] +DDVREF AES_IREFCLK2_7-8 +3.3V U700E AES_ILRCK_1-2 BANK 1: +3.3V BANK 3: +3.3V DDA[13..0] DDD0 DDA[13..0] IO_L0P_11 DDD1 BANK 2: +3.3V IO_L0N_11 U700A PMD[7..0]...
Page 345 6-89 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA DDD[31..0] DDD[31..0] DDD[31..0] DDA[13..0] DDA[13..0] DDA[13..0] DDBA[1..0] DDBA[1..0] +2.5V +2.5V U800 +DDVTT +DDVTT U802 MT46V32M16P-6T:F T R MT46V32M16P-6T:F T R RN800 RN805D DDD0 DDA0 DDD1 DDA1 RN805C RN805B DDD2 DDA2 DDA0 DDD0 DDA0 DDD16 DDD3 DDA3 RN805A...
Page 346 6-90 TECHNICAL DATA ORBAN MODEL 8685 297.0000MHZ XO FOR HD GTP (SELECTABLE TO 148.5000MHZ) DDR REF 200.0000MHZ XO C902 R906 10uF +3.3V_CLK C918 5.1 OHM R909 10uF +3.3V_CLK C904 5.1 OHM 0.1uF C919 0.1uF C912 0.01uF C920 0.01uF 297.0000 MHZ = LOGIC LOW...
Page 347 6-91 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA WORD CLOCK RECEIVER/PLL SPI_SDI SPI_DEV_CS12 U1001 CS8427-CSZ +5VD SDA/CDOUT SCL/CCLK SPI_SCK AD0/CS AD1/CDIN SPI_SDO R1005 C1004 C1006 EMPH 10.0K +5VD 0.1uF 1500pF DGND C1008 C1003 C1007 0.1uF DGND 0.22uF 0.022uF AGND DGND R1001 TP1007 FILT OMCK 604 O HM...
Page 348 6-92 TECHNICAL DATA ORBAN MODEL 8685 +5VD R1100 100 O HM U1100 +2.5V TP1102 GTP POWER: +1.2V FOR AVRX (1500mA Max) LTC3026EDD#PBF +RIO_AVRX C1100 R1104 47uF/10V SHDN C1108 C1112 4.02K C1116 330uF/2.5V 22uF 0.1uF GTP TILE 112 POWER FILTERS C1104 DGND 0.1uF...
Page 349 6-93 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA DOLBY_DEC_BCK TP1205 PMD[7..0] DOLBY_DEC_LRCK +5VD TP1201 TP1206 PMD[7..0] ENCODED_AUDIO_BCK TP1202 ENCODED_AUDIO_LRCK DOLBY E 559E ENCODER M ODULE DOLBY_DEC_1-2 TP1203 TP1207 ENCODED_AUDIO_DATA J1201 DOLBY_DEC_3-4 TP1208 +3.3V +5VD DOLBY_DEC_5-6 ENCODER_OUT_AUDIO_BCK0 TP1204 TP1209 TP1230 DECODER_VSYNC DOLBY_DEC_7-8 ENCODER_IN_AUDIO_BCK0 ENCODER_OUT_AUDIO_LRCK0 U1200 TP1210...
Page 350 6-94 TECHNICAL DATA ORBAN MODEL 8685 +5VD +2.5V_VCO +2.5V_VCO C1318 0.1uF R1300 100 O HM U1300 R1312 +2.5V TP1300 LTC3026EDD#PBF +1.8V FOR GENLOCK/CLOCKCLEANER 150K VCO_GND U1302 +1.8V_GENLOC_CLNR GO1555-IXTE3 C1300 VCTR R1308 47uF/10V SHDN C1304 C1307 7.15K C1308 330uF/2.5V 22uF 0.1uF...
Page 351 6-95 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +1.8V_GENLOC_CLNR R1413 R-NP GENLOC_SPI_CLK GENLOC_SPI_CLK +1.8V_GENLOC_CLNR GENLOC_SPI_SDIN R1415 GENLOC_SPI_SDIN 49.9OHM GENLOCK_SPI_SDOUT PCLK1 GENLOC_SPI_CS GENLOC_SPI_CS GENLOC_CLNR_RST GENLOC_CLNR_RST R1412 W1404 +1.8V_GENLOC_CLNR 0 OHM +2.5V +3.3V +1.8V_GENLOC_CLNR C1403 DGND_CLNR DGND_CLNR TP1400 C-NP LOCK_LOST U1400 74HC1G14 DGND TP1401 U1401 REF_LOST GS4911BCNE3...
Page 352 6-96 TECHNICAL DATA ORBAN MODEL 8685 U301C U303C U305C U400C SRC4184IPAG SRC4184IPAG SRC4184IPAG SRC4184IPAG IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA0 IFMTB0 IFMTA1 IFMTB1 IFMTA1 IFMTB1 IFMTA1 IFMTB1 IFMTA1 IFMTB1 IFMTA2 IFMTB2 IFMTA2 IFMTB2 IFMTA2 IFMTB2 IFMTA2 IFMTB2 OFMTA0 OFMTB0...
Page 353 6-97 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +3.3V +3.3V +3.3V +3.3V L318 C318 L320 C326 L322 C334 L1004 C1014 0.1uF 0.1uF 0.1uF 0.1uF U300D U302D U304D U1000D SRC4382IPFB SRC4382IPFB SRC4382IPFB SRC4382IPFB DGND DGND DGND DGND R324 R325 R326 R1013 2.0 OHM 2.0 OHM 2.0 OHM 2.0 OHM...
Page 354 6-98 TECHNICAL DATA ORBAN MODEL 8685 HD-SDI RS232/RS485 SDI BOARD: PARTS LOCATOR DRAWING 32365.000 (sheet 1 of 1)
Page 355 6-99 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA +5VD C103 C104 C105 C106 0.1uF 0.1uF 0.1uF 0.1uF R100 R101 1.0K 1.0K DGND +5VD C109 BASEBOARD INTERFACE DIP-24 SOCKET U100 ST16C554DCJ68-F 0.1uF U101 J101 MAX208ECNG+ +5VD DGND SOUT1-N SOUT1-N SOUTP1 SEL16/68 TIN A TOUT A C100 RTS1-N...
Page 356 6-100 TECHNICAL DATA ORBAN MODEL 8685 +5VD C201 +5VD +5VD J201 R200 R208 0.1uF R-NP R-NP U201 DGND R201 R209 0 O HM MAX13089EEPD+ 0 O HM RS-485 METADATA PIC_B_HF PIC_B_RXP DGND DGND INPUT PIC_RX_B R216 110 O HM BUF_PIC_RTSB_RE...
Page 357 6-101 OPTIMOD SURROUND PROCESSOR TECHNICAL DATA...

Orban OPTIMOD 8685 Operating Manual

Appendix: Setting up Serial Communications

Appendix A: Using the Itu Bs.1770 and Cbs Loudness Meters to Measure Loudness Controller Performance

Description

Base Board

Quick Links

Troubleshooting

Related Manuals for Orban OPTIMOD 8685

Summary of Contents for Orban OPTIMOD 8685

Table of Contents