AVR7300 7 x 110W 7.1 CHANNEL A/V RECEIVER SERVICE MANUAL CONTENTS ESD WARNING……………………………….2 EXPLODED VIEW PARTS LIST…………..31 LEAKAGE TESTING……………….…..…..3 BLOCK DIAGRAM………………………..…33 BASIC SPECIFICATIONS…………………..4 CIRCUIT DESCRIPTION………..………..34 FEATURES………..………………....5 DC OFFSET/IDLE CURRENT ADJ……….45 FRONT PANEL CONTROLS………..….…...6 BULLETIN HK2005-01………..…………..49 REAR PANEL CONNECTIONS……..…….10 TECH TIP HKTT2003-01………..………..50 REMOTE CONTROL FUNCTIONS……….14...
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AVR7300 harman/kardon Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor "chip" components.
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AVR7300 harman/kardon SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester...
Height measurement includes feet and chassis. Slew Rate 40V/µSec All features and specifications are subject to change without notice. FM Tuner Section Harman Kardon, Power for the Digital Revolution and Logic 7 are registered trademarks of Frequency Range 87.5–108.0MHz Harman International Industries, Incorporated. Usable Sensitivity IHF 1.3µV/13.2dBf...
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AVR7300 harman/kardon AVR7300 FEATURES OUTPUT POWER(STEREO) 125W x 2 OUTPUTS OUTPUT POWER(SURROUND) 110W x 7 Pre-Outs 20Hz-20kHz, 8 Ohms, 0.07%THD Tape Rear All Channels Driven Video 1 Rear High Current Capability Video 2 Rear All-Discrete Amplifier Circuitry Audio/Video Outputs, Switchable...
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AVR7300 harman/kardon FRONT-PANEL CONTROLS FRONT-PANEL CONTROLS NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product at www.harmankardon.com. The following controls and indicators are available on the AVR 7300’s front panel:...
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AVR7300 harman/kardon FRONT-PANEL CONTROLS 1 Standby/On Button: When the Main Power 5 Tuner Band Selector: Pressing this button will tor when a “small” speaker is selected and as a larger icon with three connected boxes when “large” speak- Switch is pressed in so that it is in the “ON”...
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AVR7300 harman/kardon FRONT-PANEL CONTROLS NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product at www.harmankardon.com. The following controls and jacks are located behind the front-panel door. To open the door, place the edge of a finger on the left or right bottom edge of the panel and gently swing the door down toward you.
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AVR7300 harman/kardon FRONT-PANEL CONTROLS Delay Adjust Selector: Press this button to Coaxial 4 Digital Input: Connect the coaxial begin the process of adjusting the delay settings. See digital output of a digital audio product such as a page 28 for more information on delay adjustments.
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AVR7300 harman/kardon REAR-PANEL AUDIO CONNECTIONS å Front Speaker Outputs: Connect these outputs jacks are used to connect a DVD player, the AVR may be ø Multiroom Audio Outputs: Connect these jacks to reconfigured to accommodate the hookup by using the to the matching + or –...
AVR7300 harman/kardon VIDEO AND SYSTEM CONNECTIONS NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product at www.harmankardon.com. A Amp Trigger I DVD Video Inputs...
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Connect this jack to the “IR IN” jack on with the OSD messages. purposes be made by a trained and qualified Harman Kardon (or other compatible) equipment. technician. This jack may also link to a compatible K Video 4 Video Inputs: Connect the composite or D Remote IR Input: If the AVR 7300’s front-panel...
AVR7300 harman/kardon MAIN REMOTE CONTROL FUNCTIONS 0 Power Off Button 1 Power On Button 2 LCD Information Display 3 Input Selectors 4 AVR Selector 5 DSP Surround Mode Selector 6 Test Button 7 Video Processing On/Off Button 8 Direct Button...
See page 31 for more information. AVR 7300 and most Harman Kardon CD or DVD always return to full brightness when the AVR is turned 8 Direct Button: Press this button when the tuner players and cassette decks.
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W Mute Button: Press this button to momentarily P Light Button: Press this button to activate the Harman Kardon DVD players so that you may control silence the AVR 7300 or TV set being controlled, remote’s backlight for ease of use in darkened rooms.
AVR7300 harman/kardon MAIN REMOTE CONTROL FUNCTIONS a Delay Select Button: This button selects left/right stereo mode with no surround processing or pressed, you will then need to select between auto- adjustments to the A/V Sync Delay and the individual bass management, as opposed to other modes where matic EzSet operation or using the remote as a manu- channel delays.
AVR7300 harman/kardon INSTALLATION AND CONNECTIONS 300-ohm twin-lead cable, you must use an optional round-right speakers, even if the speakers are a System Installation 300-ohm-to-75-ohm adapter to make the different distance from the AVR 7300. After unpacking the unit, locating it in a place with ade- connection.
Remote IR Output C jack to shown on page 47. audio/video device that is connected to the AVR the Remote IR Input jack on Harman Kardon (or other 4. Connect the analog left/right audio and composite on a temporary, rather than permanent, basis, compatible) equipment.
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Product Support area of the and fidelity! improperly rated cables may present a safety hazard. Harman Kardon Web site at harmankardon.com. Consult a qualified installer or licensed electrician The physical connection to the AVR 7300’s RS-232 should you have any questions about the use of in- port is a standard D-SUB 9 connection but to ensure wall cables for video or audio.
AVR7300 harman/kardon OPERATION Basic Operation the Lower Display Line $ . When the programmed imum video quality and to reduce the possibility of video crosstalk. sleep time has elapsed, the unit will turn off. Once you have completed the initial setup and configu-...
AVR7300 harman/kardon OPERATION Volume and Tone Control Video Processing sentations through the use of the natural information present in all stereo recordings. The AVR 7300 features unique combination of video • Adjust the volume to a comfortable level using the...
Logic 7 Cinema Exclusive to Harman Kardon for receivers, Logic 7 is an advanced mode that extracts the maximum surround information from either surround-encoded programs Logic 7 Music or conventional stereo material.
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AVR7300 harman/kardon OPERATION dynamic range and significant improvements to signal- method for doing this will vary with each player. In before that portion of the display returns to the normal to-noise ratios. In addition, digital systems have the capa- some cases, the proper menu choice will be “Original, ”...
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AVR7300 harman/kardon OPERATION When Dolby Digital 3/2/.1 or DTS or DTS-ES signals In most cases, this will be PCM 44 . 1kHz or Dolby Digital soundtrack to trigger only the “L” and “R” are being played, the DPR will automatically switch to indicators.
AVR7300 harman/kardon OPERATION OPERATION MP3 Audio Playback the high-quality audio reproduction possible with a select the tuner as an input. The tuner may be The AVR 7300 is one of the few receivers equipped home theater system, as well as enable the use of...
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LEVEL will appear in the Lower Display Line 1. Press the Memory Button on the remote; the AVR 7300 offers Harman Kardon’s exclusive con- $. To change the level, first press the Set Button the station’s frequency will flash. figurable front-panel output-jack feature. For easy con-...
AVR7300 harman/kardon OPERATION make other adjustments. If you have no other adjust- ments to make, press the OSD Button U to exit the menu system. NOTE: Output levels may be separately trimmed for each surround mode. If you wish to have different trim levels for a specific mode, select that mode and then follow the instructions shown above.
• Amplifier is in protection mode • Contact your local Harman Kardon service center due to internal problems No sound from surround or • Incorrect surround mode • Select a mode other than Stereo center speakers •...
AVR7300 harman/kardon AVR7300 Exploded View Parts List Part No. Description Q'ty H01-SWA2B21PDA&-7 SW PUSH POWER SDDLB15700 H01-TXPWMMD05B0-5 MN X'FORMER AVR7300 120V TRANSFORMER H01-ZMB01S00100-5 BKT HEADPHONE JACK H01-ZMD05S02A00-1 AL DOOR AVR7300 H01-ZMC11S00300-2 AL PANEL AVR430/630 H01-ZMC11S06A00-3 SPRING STOPPER AVR430/630 H01-ZMC11S12A00-8 CAP BUTTON STAND-BY AVR430/630...
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AVR7300 harman/kardon AVR7300 Exploded View Parts List Part No. Description Q'ty H01-SOSP20117NN-6 JACK SPEAKER 2P B30290117N BK/WH H01-SOSP20118NN-8 JACK SPEAKER 2P B30290118N BK/BU H01-SOSP20119NN-A JACK SPEAKER 2P B30290119N BK/BRN H01-SOSP20115NN-2 JACK SPEAKER 2P B30290115N GY/BK D/N H01-SOSP20116NN-4 JACK SPEAKER 2P B30290116N TAN/BK...
AVR7300 harman/kardon CIRCUIT DESCRIPTION 1.SURROUND CIRCUIT U - COM S/PDIF INPUT COAXIAL 1 COAXIAL 2 COAXIAL 3 COAXIAL 4 OPTICAL 1 OPTICAL 2 OPTIACL 3 OPTICAL 4 DIGITAL OUTPUT COAXIAL OPTICAL ANALOG INPUT ANALOG FL,FR TONE External 8M Flash External 16M SDRAM...
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AVR7300 harman/kardon Upd70F3033BGF-3BA PORT DEFINE FOR AVR7300 RS 232 TX P14/SO1/TXD0 P73/ANI3 VPP CONTROL P15//SCK1/ASCK0 P72/ANI2 AD KEY2 HDCD GAIN P20/SI2/SDA1 P71/ANI1 AD KEY1 P21/SO2 P70/ANI0 FL RESET /STB P22//SCK2/SCL AVREF FL STB FL DATA IN/BLK P23/RXD1/SI3 FL BLK AVSS...
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AVR7300 harman/kardon uPD70F3033B (V850/SB1) PORT ASSIGNMENT V850 NAME RECEVIER NAME IN/OUT Function And Description P14/SO1/TXD0 RS-232 TX For CPU FLASH UPGRADE UART TX PORT P15/SCK1/ASCK0 VPP_CONTROL For Flash Upgrade VPP Control Pin P20/SI2/SDA1 HDCD GAIN HDCD GAIN P21/SO2 OPEN P22/SCK2/SCL1...
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AVR7300 harman/kardon /RESET RESET LOW ACTIVE Pull_Down OPEN REGC REGC POWER Connect VDD Fx_OUT Connected 20.00MHz RESONATOR Fx_IN Connected 20.00MHz RESONATOR POWER Connected GND POWER Connected VDD CLKOUT OPEN (STOP MODE : LOW) ADC MODE 0 P90/LBEN/WRL ADC MODE 0(DSP)
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AVR7300 harman/kardon P MUTE POWER MUTE RECMUTE REC MUTE AVDD AVDD POWER Connected VDD AVSS AVSS POWER Connected GND AVREF AVREF POWER P70/ANI0 AD KEY1 ADIN A/D KEY INPUT1 P71/ANI1 AD KEY2 ADIN A/D KEY INPUT2 P72/ANI2 ADIN Connected Register with VDD...
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AVR7300 harman/kardon A Comment 1) CPU PIN83 is A/D(Analog to Digital) port INPUT SORCE COMPOSITE SUPER COMPONENT VOLTAGE 3.6V 1.9V 2.4V 0.7V 1.3V 0.2V...
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AVR7300 harman/kardon AVR7300 Video Board Block Diagram for Faroudja Video Enhancement Video Input Monitor Output Composite Composite Y (S-Video) Y (Component) S-Video Record Output S-Video Composite S-Video Y (Component, 480i) 480P Video Relay CCIR Monitor Video Enhancer Output Decoder (Faroudja)
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AVR7300 harman/kardon AVR7300 OFFSET ADJUSTMENT & IDLE CURRENT ADJUSTMENT(MP stage) DC Offset - Adjustment * Function : 8CH DIRECT INPUT Volume level : minimum Test position : Speaker out terminal (between "+" and "-")->speaker jack : no load Adjustment: a. Turn power ON b.
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AVR7300 harman/kardon FR Offset Adj FR Idle Adj CT Offset Adj CT Idle Adj Check Position FL Idle Check Position SL Idle Check Position SBL Idle Check Position...
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AVR7300 harman/kardon CT Idle Check Position SBR Idle Check Position FR Idle Check Position SR Idle Check Position...
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Model: AVR7300 Subject: A-BUS Output too High In the event you receive an AVR7300 with the complaint: “ There is distortion when using the A-BUS connection and a harman/kardon AB-1”, perform the following modification: Synopsis: Change two resistors in the AVR7300.
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AVR7300 harman/kardon TECH TIPS harman/kardon Troubleshooting tips and solutions to common service problems For models: TIP# HKTT2003-01 Rev3 AVR7000/7200/7300/8000 AVR10 AVR100/200/300/500 DPR1001 AVR110/210/310/510 DPR1005 AVR120/220/320/520 DPR2005 AVR125/225/325/525 HK3370/3470/3375/3475 AVR130/230/330/430/630 HK3250 AVR135/235/335/435/635 Subject: Backup Memory on AVR/DPR/HK series receivers In the event of the complaint: “the receiver is losing its memory (any programmed system settings) when the unit is turned off, or after the unit is unplugged (briefly*)”:...
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AVR7300 harman/kardon BU4094BF DSP PART IC16 FAROUDJA PART IC13 VIDEO PART IC609, IC6 MAIN PART IC208 FRONT PART IC71 VCOX 24M576HZ DSP PART Y800 BA033T MAIN PART IC214 SUPPLY PART IC45...
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AVR7300 harman/kardon NJM2296M VIDEO PART IC601, IC602, IC603, IC605, IC606, IC607 MM1510 MAIN PART IC2, IC201, IC202, IC203 MM1501 VIDEO PART IC614 MAIN PART IC1, IC204, IC205...
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AVR7300 harman/kardon MM1511 MAIN PART IC206 PHOTOCOUPLER PC-17T1 VIDEO PART IC1, IC2 MAIN PART IC219, IC220 TC9162AF PROCESSOR IC5, IC14...
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AVR7300 harman/kardon TC9163AF PROCESSOR MM1232 VIDEO PART IC604, IC608...
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AVR7300 harman/kardon KIC9459F PORCESSOR IC2.IC18 24PIN TSH95 VIDEO PART IC613 SOP 16PIN uPD4721 SUPPLY PART IC43...
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AVR7300 harman/kardon K4S161622D-TC80 DSP PART IC14 M24C04 DSP PART IC22...
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AVR7300 harman/kardon 74VHCT244A DSP PART IC17, IC18, IC25 NJM2068M DSP PART IC31 ~ IC50 PROCESSORR PART IC1.IC4.IC7.IC8.IC9.IC11.IC12.IC13.IC15.IC16.IC17.IC20 IC21.IC23.IC24.IC25.IC26.IC27,IC29,IC30 LC74763M VIDEO PART IC209...
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AVR7300 harman/kardon HCA-18LL03 FRONT PART DP71...
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AVR7300 harman/kardon KIA78R08API DSP PART IC21 RPM6938-RSIP-A3 FRONT PART RM 71 BU4053BC VIDEO PART IC612 DSP PART FAROUDJA PART IC15...
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AVR7300 harman/kardon CS5361 DSP PART IC27, IC28, IC29, IC30 CS49400 DSP PART IC11...
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AVR7300 harman/kardon VPC3230D IC VIDEO DECODER FAROUDJA PART IC10...
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AVR7300 harman/kardon MM1623 VIDEO DRIVER PAROUDJA PART IC14 MM1623...