Page 1 Service Manual DTG5078 & DTG5274 Data Timing Generators 071-1285-00 This document supports firmware version 1.0.14 and above. www.tektronix.com...
Page 2 Copyright E Tektronix Japan, Ltd. All rights reserved. Copyright E Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.
Page 3 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located.
Page 5: Table Of Contents
......... . . 2- -51 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 6 ....... 9- -1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 7 ........9- -2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 8: List Of Figures
... 2- -52 Figure 2- -23: Window operation 2: Timing window ....2- -53 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 9 Figure 4- -30: Data output DC level tests ..... . . 4- -63 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 10 ... . 6- -47 Figure 6- -34: Primary troubleshooting procedure (3) ... . 6- -48 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 11 Figure 9- -19: Op 1R (Rack Mount) ......9- -38 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 12: List Of Tables
....... . . 1- -36 viii DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 13 ......4- -14 Table 4- -4: DTGM10 High Level Voltage Accuracy ... . . 4- -64 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 14 ........6- -60 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 15: General Safety Summary
Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 16 CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 17: Service Safety Summary
To avoid electric shock, do not touch exposed connections. Calendar (date and time) Backup Battery. This product contains a Lithium:poly- carbon monofluoride battery for calendar backup purposes. This battery is part of the CPU unit and is not replaceable. xiii DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 18 Service Safety Summary DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 19: Preface
Mechanical Parts, where both electrical and mechanical modules are listed. H Diagrams contains block diagrams and an interconnection diagram. H Replaceable Mechanical Parts includes a table of all replaceable modules, their descriptions, and their Tektronix part numbers. DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 20: Manual Conventions
A comprehensive usage information on how to operate the instrument including the descriptions of functions and menu operations. DTG5000 Series Programmer Manual Provides complete information on programming commands and remote control of the instrument. DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 21: Contacting Tektronix
6:00 a.m. -- 5:00 p.m. Pacific time This phone number is toll free in North America. After office hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices. xvii...
Page 22 Preface xviii DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 23: Introduction
Procedures subsection. After isolating a faulty module, replace it with a fully-tested module obtained from the factory. The Replaceable Mechanical Parts section contains part number and ordering information for all replaceable modules. DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 24: Tektronix Service Offerings
DTG5000 Series as well as new options. Warranty Repair Service Tektronix warrants this product for one year from date of purchase. The warranty appears at the front of this manual. Tektronix technicians provide warranty service at most Tektronix service locations. The Tektronix product catalog lists all worldwide service locations.
Page 25: Specifications
Specifications 1- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 27: Product Description
(PECL, LVDS, GTL, CML). The DTG5000 Series Data Timing Generator supports three types of output modules (DTGM10, DTGM20, and DTGM30). Table 1- -1 lists the key features of the data timing generators. 1- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 28: Table 1- -1: Dtg5000 Series Key Features
Master-Slave Up to three (one Master, two Slaves) Up to two (one Master, one Slave) This value is limited by the maximum output current (+/- - 40 mA, maximum). 1- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 29: Mainframe And Output Module Configuration
The functional restrictions are: H 8 (eight) slots installed in the DTG5078 (A, B, C, D, E, F, G, and H) H 4 (four) slots installed in the DTG5274 (A, B, C, and D) H When the DTGM10 or DTGM20 is installed to the DTG5274, CH3 and CH4 are not available.
Page 30: Software Upgrade
H There are no limits on number of PCs that can operate in the offline mode. Occasionally new versions of software for your instrument may become available at our web site. See Contacting Tektronix on page xvii in the Preface section for web site information.
Page 31: Specifications
H The instrument must have had a warm-up period of at least 20 minutes. H The instrument must be operating at an ambient temperature between +10 and +40 1- - 5 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 32: Electrical Specification
1 to 8000 steps Maximum Blocks 8000 Maximum sub-sequences Sub-sequence Length 1 to 256 steps Sequence Repeat Counter 1 to 65,536 or Infinite, All channels operate the same sequence. 1- - 6 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 33: Table 1- -4: Clock Generator
--3.0 V to 5.0 V Control Independent Resolution 10 mV nDC Accuracy ( 3% of the set value) 50 mV Page 4--42 Maximum Output Current 30 mA Pin Assignment Refer to Figure 1--1. 1- - 7 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 34: Figure 1- -1: Dc Output Channel Assignment
GND 60 mV to 2.5V into 1 M to GND Resolution 10 mV Output Voltage Frequency Response 10 dB of value shown in the curve of Figure 1--2. 1- - 8 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 35 VOL ² (50 x Vtt -- 4.5 x RL) / (RL + 50) VOL ² Vtt -- RL (0.02 + 2.5 / (RL + 50)) ((2.5 -- 0.06) x RL / 50) + Vtt 1- - 9 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 36: Figure 1- -2: Frequency Response Of Clock Output
Table 1- - 8: External Clock In Characteristics Description Connector SMA rear Impedance 50 , AC coupled Required Input Voltage Swing 400 mV to 2 V into 50 Required Duty Cycle 1- - 10 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 37: Table 1- -9: 10 Mhz Reference
RZ and R1 x N/2, The maximum value of N is limited by the maximum data rate. Long Delay, On x N / (vector rate) N is an arbitrary integer. 1- - 11 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 38: Table 1- -12: Skew Cal
201 H/W Clocks + 5 VCO (Ext) Clocks + 50 ns Trigger Holdoff Time (Td 3) Refer to Figure 1--3. DTG5078 29 H/W Clocks + 500 ns DTG5274 115 H/W Clocks + 500 ns 1- - 12 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 39: Table 1- -14: Sync Out
This signal is used for only Master-Slave operation with another DTG5000 series instrument. Refer to the user manual vol2. for details. Sync Clock Out 3 is available only in DTG5078. The cable connection in Master-Slave operation in units is shown in Figure 1- - 4 and Figure 1- - 5.
Page 40: Table 1- -17: Sync Jump
This signal is used for only Master-Slave operation with another DTG5000 series instrument. Refer to the user manual vol.2 for details. Sync Jump Out 3 is equipped only with DTG5078. The cable connection in Master-Slave operation in units is shown in Figure 1- - 4 and Figure 1- - 5.
Page 41: Figure 1- -3: Signal Timing
: : : : : :w:«:À: : :w: : :w: : : : :w: :Ì: :«:»: Event Holdoff : : : :¯: :w: : : :»:w: : : :«:»: Figure 1- - 3: Signal timing 1- - 15 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 42: Figure 1- -4: Dtg5078 Master-Slave Connection
Out3 Out1 (012- - 0076- - 00) BNC Cable Sync Jump Out2 (174- - 1427- - 00) SMA Cable Out3 LAN Cable Figure 1- - 4: DTG5078 Master-Slave connection 1- - 16 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 43: Figure 1- -5: Dtg5274 Master-Slave Connection
BNC front Impedance 1 k or 50 Polarity Normal or Invert Input Voltage Range -- 10 V to 10 V, 1k selected -- 5 V to 5 V, 50 selected 1- - 17 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 44: Table 1- -20: Cpu Module And Peripheral Devices
GPIB 24 pin, IEEE488.2, rear Drive Floppy disk 1.44 MB, front CD-ROM, rear Keyboard Connector PS/2 type connector (6-pin mini-DIN), rear Mouse Connector PS/2 type connector (6-pin mini-DIN), rear 1- - 18 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 45: Table 1- -21: Display
50 kb/s to 1.35 Gb/s Data Rate Resolution Internal Clock 8 digits External Clock 4 digits External Phase Lock In 4 digits Clock Range Refer to Table 1--23 and Table 1--24. 1- - 19 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 46 Table 1- - 22: DG Mode (cont.) Characteristics Description PV reference page Channel Addition Slot E, F, G and H are not available in DTG5078. Refer to Figure 1--6 on page 1--24. Slot A, B, C and D Function AND or XOR...
Page 47 , typical), at 2.7 Gb/s, delay = 0.0 ns, amplitude = 0.8 V, Data Format = NRZ, and Jitter mode off Cross Point Slot A, B, C, and D Range 30% to 70% Resolution 1- - 21 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 48 This function is available when the DTGM30 output module is used and the data format is set to NRZ. Jitter Performance is available only for Ch1 in slot A. When this function is activated, Ch2 in slot A output is disabled. 1- - 22 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 49: Table 1- -23: Clock Range In Nrz
250 kb/s 1600 2.5 µs 5 µs 400 kb/s 200 kb/s 2000 5 µs 10 µs 200 kb/s 100 kb/s 4000 10 µs 20 µs 100 kb/s 50 kb/s 8000 1- - 23 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 50: Figure 1- -6: Channel Addition Function
100 kb/s 4000 10 µs 20 µs 100 kb/s 50 kb/s 8000 Ch1 (Ch3) Ch1 (Ch3) Output Ch2 (Ch4) Ch2 (Ch4) Output Figure 1- - 6: Channel addition function 1- - 24 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 51: Figure 1- -7: The Definitions Of Lead/Trail Delay And Pulse Width
Phase = Lead Delay / Period x 100 (%) Duty = Pulse Width / Period x 100 (%) Figure 1- - 7: The definitions of Lead/Trail Delay and Pulse Width 1- - 25 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 52: Figure 1- -8: Maximum Lead Delay
0 (--Delay Offset) to 120 x Period (--Delay Offset) It should be from 0% to 100% in Duty conversion and Pulse Width is from 290 ps to (Period - - 290 ps). 1- - 26 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 53: Table 1- -27: Trail Delay
Fj: Jitter Frequency Ajui_pp: Jitter Amplitude expressed with UIpk-pk Ajui_rms: Jitter Amplitude expressed with UIrms Ajs_pp: Jitter Amplitude expressed with s pk-pk Ajs_rms: Jitter Amplitude expressed with s rms 1- - 27 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 54 Off, 1/1, 1/2, 1/4, 1/8, or 1/16 Channel Addition Refer to Figure 1--6 on page 1--24. Slot A, B, C, and D Note: Slot E, F, G and H are not available in DTG5078. Function AND or XOR Delay Offset 0 to 3 µs...
Page 55 Lead Delay + Differential Timing Offset have to be within the range of Lead Delay. Trail Delay + Differential Timing Offset have to be within the range of Trail Delay. 1- - 29 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 56 = Term R, Vtt = Term V 1) --0.04 x R + Vtt Vout 0.04 x R + Vtt 2) --3.00 Vout 7.00 Note. These conditions are automatically fulfilled, when setup. 1- - 30 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 57: Table 1- -31: Dtgm20
= Term R, Vtt = Term V + Vtt ± Vout ± 0.08 x R 1) --0.08 x R + Vtt 2) --2.00 ± Vout ± 5.00 Note. These conditions are automatically fulfilled, when setup. 1- - 31 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 58: Table 1- -32: Dtgm30
VOH ± RL / 50 x (2.5 -- 0.06 x RL / (RL + 50)) + Vtt VOH ² (--2.00 x RL + 50 x Vtt) / (RL + 50) VOH ² Vtt -- RL / 50 1- - 32 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 59: Figure 1- -9: Output Voltage Window And Clock Out (Dtgm30)
VOH -- VOL 2 x ((7 x RL -- 50 x Vtt) / (RL + 50) -- Offset) Figure 1- - 9: Output voltage window and clock out (DTGM30) 1- - 33 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 60: Figure 1- -11: Equivalent Circuit Of Dtgm30 Output
Figure 1- - 10: Equivalent circuit of DTGM10 and DTGM20 outputs 50 Ω 50 Ω The IIL determines the amplitude, and VIH determines the offset. Figure 1- - 11: Equivalent circuit of DTGM30 output 1- - 34 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 61: Miscellaneous
500 mm (19.7 in) Width 600 mm (23.6 in) Length 790 mm (31.1 in) DTGM10/DTGM20/DTGM30 Height 83 mm (3.3 in) Width 238 mm (9.4 in) Length 227 mm (8.9 in) 1- - 35 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 62: Table 1- -34: Installation Requirement
Operating Up to 3,000 m (10,000 ft) Maximum operating temperature decreases 1_C each 300 m (1,000 ft) above 1,500 m (5,000 ft) Nonoperating Up to 12,000 m (40,000 ft) 1- - 36 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 63 47 Hz to 63 Hz Maximum Power 560 W (600 VA maximum) 30 A peak (25_C) for ±5 line cycles, Surge Current after the instrument has been turned off at least 30 sec. 1- - 37 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 64 Installation category Power input — Installation Category II (as defined in IEC 61010-1, Annex J) Pollution degree Pollution Degree 2 (as defined in IEC 61010-1) 1- - 38 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 65 Class I (as defined in IEC 61010-1, Annex H) - grounded product Safety operating temperature + 5_C to + 40_C range Overvoltage category Overvoltage category II (as defined in IEC 61010-1, Annex J) See Table 1- - 35. 1- - 39 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 66 Specifications 1- - 40 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 67 Operating Information...
Page 69: Installation
CAUTION. Be sure to create your emergency rescue disk as described on page 2- - 10. You may need that disk if you ever need to reinstall Windows 2000 from the data timing generator hard drive. 2- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 70: Supplying Operating Power
Table 2- -2. Table 2- - 1: Power-cord conductor identification Conductor Color Alternate Color Ungrounded (Line) Brown Black Grounded (Neutral) Light Blue White Grounded (Earthing) Green/Yellow Green 2- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 71 125 V/15 A Plug NEMA 5-15P Europe 230 V United Kingdom 230 V Australia 230 V Switzerland 230 V Japan 100 V China 230 V No power cord supplied. 2- - 3 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 72: Checking The Environment Requirements
Up to 3 km (10,000 ft) Power supply Rating voltage 100 V to 240 V Voltage range 90 V to 250 V Frequency 47 Hz to 63 Hz Maximum power 600 VA maximum 2- - 4 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 73: Output Module
Verify that the data timing generator mainframe is not powered on. Module 1. Loosen the two screws. 2. Grasp the right and left screws and slowly pull the module out of the mainframe slot. 2- - 5 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 74: Powering On The Data Timing Generator
2. Turn on the principal power switch at the rear panel. (See Figure 2- -1 for switch location.) 3. Push the front panel On/Standby switch to power on the data timing generator (see Figure 2- -2 for the switch location). 2- - 6 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 75: Setting Up Windows 2000
8. A dialog box pops up to let you know that the Windows 2000 setup has been completed. 9. Click Restart Now, and Windows runs. The computer name is DTG5000, and you can log on the Windows 2000 as the following user name and password. 2- - 7 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 76: Shutting Down The Data Timing Generator
Data Timing Generator settings were changed after the mainframe start-up. The dialog box shown below appears on the screen and asks if you want to save the current settings. Push any button within five seconds. 2- - 8 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 77 DTG5000 software. The End Program dialog appears. H Select End Now to continue the shut down process without saving the setup file. Without any action in ten seconds, the following dialog box appears. 2- - 9 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 78: Creating An Emergency Rescue Disk
NOTE. Create the emergency rescue disk and store it in a safe place. It may allow you to recover your Windows 2000 installation without rebuilding the entire data timing generator hard disk. 2- - 10 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 79 Emergency Repair Disk. 4. The Emergency Repair Diskette dialog box appears. 5. Click Also backup the registry..., and then click OK. 6. Wait until the task completes. The following dialog appears. 2- - 11 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 80 Installation 7. Click OK, then remove the floppy disk and store it at a safe place. 2- - 12 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 81: Backing Up User Files
In case of instrument problems, you may wish to run the system diagnostics. See the Self Test section on page 4- -3 for more information on self tests and system diagnostics. 2- - 13 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 82 Installation 2- - 14 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 83: Operating Basics
If you press any arrow key in this state, the key operates on the menu bar area. Pressing the ESC key twice moves the focus to the lower window area. 2- - 15 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 84: Figure 2- -3: Front Panel Controls
H To open the pull-down menus on the menu bar and move to the desired items, after pushing the MENU button (you can also use the knob). H To move the current cell (cursor position) in a tabular view 2- - 16 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 85 If you push a suffix button for a frequency, the unit is interpreted as G (giga-), M (mega-) or k (kilo-). If you push it for a time or voltage, the unit is interpreted as p (pico-), n (nano-), (micro-) or m (milli-). 2- - 17 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 86 If you push this button while all the outputs are off, all the outputs turn on. In the Data Generator mode, the physical channels that are not assigned to logic channel do not turn on. 2- - 18 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 87: Front Panel Connectors
External trigger signal input connector. Input Voltage Range. H - -5 V to +5 V, 50 Ω H - -10 V to 10 V, 1 kΩ H Connector: BNC 2- - 19 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 88 Outputs eight channel DC voltage. This signal is independent of the output module signal. Output Voltage Range. H - - 3.0 V to 5.0 V H Connector: 2.54 mm 2 x 8 pin header (female) Connect a USB device. 2- - 20 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 89: Rear Panel Connectors
The CD-ROM drive is used to reinstall the DTG5000 product software or to rebuild the operating system. COM port. Mouse Connect a PS/2 mouse. Any USB mouse must be connected to the USB port. 2- - 21 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 90 : - -1.00 V to 2.47 V into 50 Ω to GND H Output Voltage Range V : - -2.00 V to 2.44 V into 50 Ω to GND 2- - 22 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 91 Connect the CLK OUT1 to CLK IN of master-mainframe. CLK OUT3 and CLK OUT3 are equipped only in DTG5078. H Connector: SMA JUMP IN. Signal input connector to control the sequence waveform outputs in Master-Slave operation.
Page 92 10 MHz REF OUT. Outputs a 10 MHz reference clock signal. H Output Voltage Amplitude: into 50 Ω to GND 1.2 V 2.4 V into 1 MΩ to GND H Impedance: 50 Ω, AC coupled H Connector: BNC 2- - 24 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 93: Peripherals On The Rear Panel
USB printer to a USB connector port of the mainframe. You cannot connect the parallel printer directly to the mainframe. If your data timing generator is connected to LAN, you can use a network printer. 2- - 25 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 94: Display Area And Application Windows
Resizes the window. First, press the Up, Down, Left or Right arrow key to enable one of the window sides. Pressing another pair of arrow keys enables the window corner. Press the Enter key for completion. Minimize Minimizes the window. 2- - 26 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 95 Doubles the size of the view horizontally, with the cursor position as the base. (Data-Waveform window) Zoom Out Halves the size of the view horizontally, with the cursor position as the base. (Data-Waveform window) 2- - 27 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 96 Specifies the display format such as Radix, Signs, Magnification display. (Data-Listing and Data-Waveform window) Specifies how data is listed when viewed by group. Toolbar Hides or displays the toolbar. 2- - 28 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 97 Switches to Pulse Generator mode. This has the same effect as pushing the front panel PULSE GEN button or clicking Data Gen/ Pulse Gen button of status bar. Remote Control... Makes the settings for remote control through GPIB. 2- - 29 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 98 Accessing the toolbar requires a mouse. Two types of toolbars are provided; the common toolbar to all windows and a specific toolbar for several windows. See Figure 2- -8. 2- - 30 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 99: Figure 2- -8: Toolbar
Click to zoom in the display (Data-Waveform window only) Click to display pattern data by group Click to display pattern data by channel Data-Listing or Data-Waveform window Figure 2- - 8: Toolbar 2- - 31 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 100: Figure 2- -9: Status Bar
Displays the sequencer status with animated screen. Run status Displays the seqeuncer status. Clock Output Displays the on/off of clock output. Online/Offline Displays the DTG5000 software execution mode. Appears only in the offline mode. 2- - 32 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 101: Figure 2- -10: Channel Group Window
Table 2- - 13: Edit menus for Channel Group window Items Description New Group... Creates a new group. Delete Group Deletes the group you selected. Delete All Group Deletes all the groups. 2- - 33 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 102: Figure 2- -11: Blocks Window
The basic data pattern is called “block” in the Data Generator mode. In the Blocks window, you can create a new block, rename it, and resize or delete the block. Figure 2- - 11: Blocks window 2- - 34 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 103 Accepts up to 32 characters and 8,000 blocks. Block Size Specifies the block size. Up to 32,000,000 (DTG5274) or up to 8,000,000 (DTG5078). Edit Menu. This menu contains commands that are used to delete blocks or move them to the edit windows.
Page 104: Figure 2- -12: Data-Listing Window
Sometimes the editing requires specifying the edit range. You can specify all of the current channels and groups, the channels and groups between markers, or the area you specified with cursor. 2- - 36 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 105 Paste from Clipboard... Pastes the data copied in the Windows clipboard as characters to the location starting from the active cursor cell. Also available for importing data from other applications. 2- - 37 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 106: Figure 2- -13: Data-Waveform Window
Invert... Inverts the data between 0 and 1 in the specified range. Mirror... Mirrors the data in the specified range in the vector or bitwise direction. 2- - 38 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 107 Paste from Clipboard... Pastes the data copied in the Windows clipboard as text to the location starting from the active cursor cell. Also available for importing data from another application. 2- - 39 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 108: Figure 2- -14: Level Window
Sets the termination impedance of the destination of the output signal. Term V Sets the termination voltage of the destination of the output signal. Output Turns the output to on or off. 2- - 40 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 109 Apply to Channels in the Applies the currently selected settings to all channels within the Same group group. Apply to All Channels Applies the currently selected settings to all channels. 2- - 41 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 110: Figure 2- -15: Timing Window (Data Generator Mode)
Shows the group name when View by Group is selected. Alternatively shows both the group name and channel number when View by Channel is selected. Shows the physical channel assigned in the Channel Group window. 2- - 42 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 111 (when PW/Duty is selected). Normal | Invert Sets the polarity (when Polarity is selected). Normal | AND | XOR Sets the channel addition mode (when Channel Addition is selected). 2- - 43 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 112: Figure 2- -16: Time Base Window
Sets the clock output parameters. Amplitude Sets clock output signal amplitude. Offset Sets offset. Term.R Sets termination impedance. Term.V Sets termination voltage. Output On Specifies on/off of clock output. 2- - 44 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 113 Specifies rising or falling edge. (Normal or Invert) Impedance Specifies event signal input impedance. (50 or 1 k Threshold Specifies event signal input threshold level. There is no Edit menu on this window. 2- - 45 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 114: Figure 2- -17: Sequence Window
Specifies the label of the line to which control jumps when an event occurs while the contents of the current line are being output. If the cell is left blank, control will not jump. 2- - 46 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 115 This menu selection is available when the block name is selected. View Subsequence Switches the current window to Subsequence window, where shows Definition selected subsequences contents. This menu selection is available when the subsequence is selected. 2- - 47 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 116: Figure 2- -18: Subsequence Window
Specifies the name of the block to be output on the line. Accepts up to 32 characters for each block name. Repeat Specifies the number of repetitions of the block. Accepts an integer from 1 to 65,536, but does not accept Infinite. 2- - 48 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 117 View Waveform Switches the window to the Data-Waveform window, where shows selected blocks data. This menu selection is available when the block name is selected. 2- - 49 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 118: Figure 2- -19: Jitter Generation Window
Set the profile amplitude and jitter width. For the unit, you may select either s (seconds) or UI (Unit Interval, 1 clock period of data timing generator). Specifies peak-to-peak or RMS values. There is no Edit menu on this window. 2- - 50 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 119: Figure 2- -20: Dc Output Window
Sets the maximum value of DC level setting range. L Limit Sets the minimum value of DC level setting range. Limit Turns on or off the High/Low limit function. Output On Powers the output on or off. 2- - 51 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 120 Sets 1.40 V. Sets 1.00 V. TMDS High Sets 3.30 V. Sets 2.80 V. High Sets 1.80 V. Sets 1.00 V. High Sets 0.00 V. Sets -- 0.41 V. 2- - 52 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 121: Using The Menu System
SELECT button displays the pop-up menu item(s) corresponding to the selected item. Refer to Figure 2- -23 on page 2- -55 for a pop-up menu example. 2- - 53 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 122: Figure 2- -22: Window Operation 1: Time Base Window
V for the voltage, Ω for the resistance, or nothing for the count or size. To enter a numeric value, use either numeric keys or the knob. For details, see Numeric Input on page 2- -60. 2- - 54 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 123: Figure 2- -23: Window Operation 2: Timing Window
6. The scroll bar is activated when the mouse is attached. Scroll the cursor to display the hidden tables outside the display area. H To navigate through items in the parameter area, use the TAB key. 2- - 55 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 124 To specify the region, use the Up, Down, Left, and/or Right arrow keys while pressing the SHIFT key. Specifying the region is available within the same group. You can not define the region beyond the group. 2- - 56 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 125 H You can move the markers by dragging a mouse in the Data-Waveform window. H You can select either View By Channel or View By Group. You can toggle the two displays by using the View menu. 2- - 57 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 126 H To create, resize or deassign a group, or create a predefined group, use the Edit menu or the pop-up menu displayed by pushing the SELECT button. 2- - 58 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 127 Edit menu, which allows you to specify the block or subsequence in the Block/Subsequence column. You can also specify the the block or subsequence by using the SELECT button and pop-up menu. 2- - 59 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 128 The k (kilo-), M (mega-), G (giga-), m (milli-), (micro-), n (nano-) and p (pico-) keys are available for auxiliary units. 2- - 60 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 129 Selecting a file. Do the followings steps to select a file without using a mouse. 1. Press the TAB key repeatedly to activate the file view. Activates the file view 2- - 61 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 130 3. Use Up or Down key to specify the file. Selects file with up or down arrow key H Press the ENTER key to open the file. H Press the BKSP key to return to the upper folder. 2- - 62 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 131 Increments or decrements the value during numeric input. CTRL + ESC key Displays the Windows Start menu. CTRL + ALT + DEL key Forcibly exits the application. (Available only from the external key board) 2- - 63 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 132 Windows. Connect the keyboard supplied with the instrument before turning on the power. NOTE. If you need to perform the system recovery, you must use a PS/2 keyboard and PS/2 mouse. 2- - 64 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 133 Theory of Operation...
Page 135 This board receives power from the Power Supply module through the A10 Connector & PCI I/F board and sends power to the CPU board. And this board also has the local bus for operating various H/W in DTG5000 Series. 3- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 136 CPU Module through the A10 Connector & PCI Interface board. The CPU Module controls the power supply by using the remote control with the Power Supply Module. Software shutdown is also available. 3- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 137 Three kinds of Output Module are prepared at this time. The main difference between these Output Modules is that the different pin driver IC is adopted. These three Outputs Modules are called DTGM10, DTGM20, and DTGM30. 3- - 3 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 138 Theory of Operation JUMP IN JUMP OUT1 JUMP OUT2 JUMP OUT3 Safety GND Figure 3- - 1: DTG5078 interconnection diagram 3- - 4 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 139 Theory of Operation JUMP IN JUMP OUT1 JUMP OUT2 Safety GND Figure 3- - 2: DTG5274 interconnection diagram 3- - 5 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 140 10MHz Reference signal selected by SW1. PLL generates a clock from 500MHz to 1GHz in DTG5078 and from 2GHz to 4GHz in DTG5274. One of DDS output or an external divided Phase Lock In is the reference signal for PLL.
Page 141 Theory of Operation Figure 3- - 3: DTG5078 block diagram 3- - 7 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 142 Theory of Operation Figure 3- - 4: DTG5274 block diagram 3- - 8 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 143 Performance Verification...
Page 145 Steps, substeps, and subparts are sequenced as follows: 1. First Step a. First Substep H First Subpart H Second Subpart b. Second Substep 2. Second Step 4- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 146 You can use a mouse as a pointer, use keyboard shortcuts for quick operation, or use front panel knob instead of sticking to above menu selection format. User Manual Reading the DTG5078 & DTG5274 Data Timing Generators User Manual is strongly recommended to familiarize the first-time user with instrument controls and features.
Page 147 H Confirm that there is no output being performed by verifying that the RUN button indicator is not on. If the indicator is on, push the RUN button to turn it off. 4- - 3 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 148 H Verify that the Loop until Fail box is not checked. If it is checked, click the box to remove the check mark. H Select Execute All Items to start the diagnostics. 4- - 4 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 149 H Verify that the output module LEDs are not on. If any output module LEDs are on, push the ALL OUTPUTS ON/OFF button to turn the LEDs off. 4- - 5 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 150 Figure 4- - 2: Level Calibration dialog b. Select Execute. c. All the Status fields must be Pass. If any failures occur, record the failure information and contact your local Tektronix service personnel for more information. 3. Select Close to exit the calibration.
Page 151 From the application menu bar, select System, and then select Skew Calibration. The following dialog appears if you have changed the settings. Click OK. b. The Skew Calibration dialog appears. See Figure 4- -3. 4- - 7 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 152 OK to start the calibration. Wait until the calibration completes. f. Follow the on-screen instruction to continue the calibration: H Disconnect the cable from the channel and reconnect it to next channel. 4- - 8 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 153 Tektronix service personnel for more information. 3. Select Close to exit the calibration. NOTE. The calibration data in the memory may be lost if the instrument is powered off while the calibration is executed. 4- - 9 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 154: Table 1- -29: Pg Mode
Clock out random jitter Page 4--47 Random jitter Random jitter Page 4--50 Total jitter Total jitter Page 4--53 PG Mode Frequency, Duty, and Mode Page 4--54 Master-Slave operation Master-Slave operation Page 4--57 4- - 10 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 155 80E03 in multiple procedures. Function Generator Output voltage: --5 V to +5 V, Tektronix AFG320 Generates external input Frequency accuracy: 0.01% signals. Used in multiple input signal test procedures. 4- - 11 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 156 CAUTION. Sampling modules are inherently vulnerable to static damage. Always observe static-safe procedures and cautions as outlined in the sampling module user manual. 4- - 12 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 157 If your data timing generator mainframe is not equipped with maximum output module configuration, the following dialog box appears. 5. Click OK to complete the instrument setup. 4- - 13 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 158 10 MHz reference output DELAY.dtg PGMODE.dtg Internal: 100 MHz PG mode OM_H.dtg OM_L.dtg FORMAT.dtg Internal: 10 MHz Data format MASTER.dtg Internal: 20 MHz Master-Slave operation RNDJIT.dtg Random jitter TOTJIT.dtg Total jitter 4- - 14 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 159 H Connect an SMA coaxial cable from the SYNC OUT at the front panel of the DTG5000 series mainframe to the SMA-BNC adapter (CH1 input of the oscilloscope). See Figure 4- -6. 4- - 15 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 160 Load the setup file (SYNCOUT.dtg). Refer to Loading Files on page 4- -13. b. After the file is loaded, the Frequency of data timing generator is set to 10MHz. 4- - 16 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 161 Low Level values of Sync Out are within the following range. H High Level: 0 V ¦ 50 mV H Low Level: - - 0.4 V ¦ 50 mV 4- - 17 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 162 + SMA (female)-BNC (male) adapter Figure 4- - 7: Internal Clock Frequency tests b. Power on the frequency counter, and verify that the frequency counter is set to frequency measurement mode (default setting). 4- - 18 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 163 7. Verify that the frequency measurements are within the specified range. NOTE. Disconnect the SMA coaxial cable from CHANNEL 2 input and then connect it to CHANNEL 1 input of frequency counter for 50kHz measurements. 4- - 19 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 164 CH1 Input SYNC OUT CH2 Input + 12 dB ATT + 12 dB ATT 50 Ω SMA coaxial cables Trigger Direct Input Figure 4- - 8: External Clock Output tests 4- - 20 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 165 80 ps (DTG5274) 100 ps (DTG5078) 0.100 V ------ 70 ps (DTG5274) 85 ps (DTG5078) These are typical values. Typical specifications are provided for user convenience, but are not guaranteed. 4- - 21 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 166 EXTERNAL IN at the rear panel of DTG5000 series mainframe. H Connect a BNC coaxial cable from the front panel CH1 Out of function generator to the SMA-BNC adapter (Clock External In). 4- - 22 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 167 Slope ..... . Positive Level ..... . --0.2 V 4- - 23 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 168 6. Verify the frequency: Push the TIMING button at the front panel of DTG5000 series mainframe and verify that 10.00 MHz (four digits) is displayed at the Clock Frequency field. 4- - 24 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 169 EXTERNAL 10MHz REF IN 50 Ω BNC coaxial cable CH1 Input 50 Ω BNC coaxial cable CLOCK OUT + SMA (male)-BNC (female) adapter Figure 4- - 10: 10 MHz Reference Input tests 4- - 25 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 170 The DTG5000 Series Data Timing Generator must meet the prerequisites listed on page 4--11. 1. Install the test hookup and preset the instrument controls: a. Hook up the oscilloscope: 4- - 26 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 171 5. Modify the oscilloscope setting and verify the displayed waveform: a. Change the CH1 impedance setting of oscilloscope to 1 MΩ. b. Verify that the amplitude of the clock pattern changes to approximately 2.4 V 4- - 27 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 172 CH1 scale ....500 mV/div CH1 input impedance ..4- - 28 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 173 Verify the displayed waveform on the oscilloscope screen: A 10 MHz, 1 V clock pattern is changed to 20 MHz, 30 MHz, and 40 MHz in response to the clock frequency change. 4- - 29 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 174 DTG5000 series CH1 Input CH2 Input SYNC OUT + SMA (male)-BNC (female) adapter 50 Ω BNC coaxial cable 50 Ω BNC coaxial cable Figure 4- - 13: Internal Trigger tests 4- - 30 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 175 From the application menu bar of DTG5000 series mainframe, select Settings and then select Time Base. b. Move cursor to Trigger Level with the TAB key and set the trigger level to +1.1 V. 4- - 31 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 176 TRIGGER button at the front panel of DTG5000 series mainframe, the oscilloscope screen is updated with a pulse waveform. 12. Push the RUN button of the data timing generator to turn the RUN LED off. 4- - 32 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 177 BNC coaxial cables (item 7) One SMA (female)-BNC (male) adapter (item 9) One BNC-T connector (item 14) Prerequisites The DTG5000 Series Data Timing Generator must meet the prerequisites listed on page 4--11. 4- - 33 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 178 JUMP OUT1 CH1 OUT BNC-T connector of output module 50 Ω SMA coaxial cable CH2 Input 50 Ω BNC coaxial cables Figure 4- - 14: Event Input and Sequence tests 4- - 34 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 179 5. Verify that the oscilloscope displays data pattern such as shown in Figure 4- -15. NOTE. The CH1 and CH2 signals appear to have jitters. The DTG5274 has 120 clocks width jitter and the DTG5078 has 30 clocks width jitter compared to CH3 trigger signal. 4- - 35...
Page 180 Confirm that the oscilloscope does not trigger. 9. Change the DTG5000 series mainframe settings and verify the waveform: a. From the application menu bar of DTG5000 series mainframe, select Settings and then select Time Base. 4- - 36 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 181 CH 2 synchronizing with CH3 signal falling edge on the oscilloscope screen. 13. (DTG5078 only) Connect the cable to Jump Out3 and verify the displayed waveform: a. Disconnect the BNC cable from the JUMP OUT2 and then connect it to the JUMP OUT3 at the rear panel of DTG5000 series mainframe.
Page 182 CH1 Input CH2 Input 50 Ω BNC coaxial cables CH1 output + SMA (male)-BNC (female) adapter SYNC OUT + SMA (male)-BNC (female) adapter Figure 4- - 16: Jitter Generation tests 4- - 38 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 183 4. Confirm the jitter generation: In the example of Figure 4- -17, a 4 ns width jitter appears on the rising and falling edges of every pulse. DTG5078 DTG5274 Figure 4- - 17: Jitter Generation example (all) 4- - 39 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 184 Set to 10% Display ......Infinite Persistence 4- - 40 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 185 5. Confirm the jitter generation: In the example of Figure 4- -18, a 4 ns width jitter appears on the rising and falling edges of one pulse. DTG5274 DTG5078 Figure 4- - 18: Jitter Generation example (partial) 4- - 41 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 186 Touch the DMM tester terminal to the metallic exposed pin of DC output lead set. The lead set is composed of eight twisted lines and each line has the one pin holder at the tip. 4- - 42 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 187 1.89 V to 2.11 V 4.00 V 3.83 V to 4.17 V 5.00 V 4.80 V to 5.20 V e. Verify that the DMM readings are within the specified range. 4- - 43 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 188 DTG5000 series CH1 Input + 12 dB ATT SYNC OUT Trigger Direct Input CH1 of output module 50 Ω SMA coaxial cables Figure 4- - 20: Delay timing tests 4- - 44 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 189 CH2 of the module that installed in the slot A. Remove the SMA termination from the CH1 and attach it to CH2. c. Record the R1C1 Delay measurement values. 4- - 45 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 190 Modify the oscilloscope setting: Set Source 2 to Ch1 and Source 1 to Ref1. f. Verify that the R1C1 Delay values are within the following range. 100 ps of setup value (slot A, B, C, D of DTG5078, and DTG5274) 150 ps of setup value (slot E, F, G, H of DTG5078) g.
Page 191 (falling edge) is centered on the screen. e. Verify that the R1C1 Delay values are within the following range. 100 ps of setup value (slot A, B, C, D of DTG5078, and DTG5274) f. Repeat the same measurements as step 12-b through step 12-d for other channels and other modules, and verify that the measurement results are within the specified range.
Page 192 Slope ..... . Positive Level ..... . Set to 50% 4- - 48 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 193 4. Verify that the oscilloscope displays the waveforms as shown in Figure 4- -22 while adjusting the position and offset controls. DTG5274 DTG5078 Figure 4- - 22: Clock out random jitter sample 5. Verify that the RMS jitter is within 3 ps. 4- - 49 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 194 NOTE. When you perform this test, use the specified output module. If your mainframe is the DTG5274, use the DTGM30 output module. If your mainframe is the DTG5078, use the DTGM20 output module. 1. Install the test hookup and preset the instrument controls: a.
Page 195 ALL OUTPUTS ON/OFF button to activate the output. 4. Verify that the oscilloscope displays the waveforms as shown in Figure 4- -24 while adjusting the position and offset controls. 4- - 51 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 196 Push CLEAR DATA, and then push RUN/STOP button. b. Read the Std Dev value. 4 ps (DTG5078) 3 ps (DTG5274) 10. Repeat the same measurements for other channels. 4- - 52 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 197 NOTE. When you perform this test, use the specified output module. If your mainframe is the DTG5274, use the DTGM30 output module. If your mainframe is the DTG5078, use the DTGM20 output module. 1. Install the test hookup and preset the instrument controls: a.
Page 198 SMA coaxial cables (item 6) Two SMA (female)-BNC (male) adapters (item 9) DTG5000 Series Data Prerequisites The DTG5000 Series Data Timing Generator Timing Generator must meet the prerequisites listed on page 4--11. 4- - 54 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 199 Slope ..... . Positive Level ..... . 0.5 V 4- - 55 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 200 Decrease the slew rate value by rotating the rotary encoder counterclock- wise. d. Verify the displayed waveform: Confirm that the rising edge becomes slow on the oscilloscope screen. 4- - 56 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 201 H Connect a BNC coaxial cable from the CH1 connector of output module to the CH2 input of oscilloscope through an SMA-BNC adapter. See Figure 4- -27. 4- - 57 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 202 CH1 and CH2 input impedance . . . Horizontal Scale ..... . 50 ns/div 4- - 58 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 203 NOTE. Move the cursor to the bottom left corner of the screen to get the Windows Start menu. Or, press the CTRL and ESC keys simultaneously to open the Windows Start menu. b. From the Windows Start menu, select Programs, select Tektronix, select DTG5000, and then select DTG5000 Configuration Utility. See Figure 4- -28.
Page 204 Figure 4- - 29: Master-Slave operation waveform sample 5. Disconnect the SMA cables from the CLK OUT1 and CLK OUT1. Reconnect the cables to CLK OUT2 and CLK OUT2, respectively. 4- - 60 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 205 6. Verify that the oscilloscope displays the same waveforms as step 4 on the screen. 7. (DTG5078 only): Disconnect the SMA cables from the CLK OUT2 and CLK OUT2. Reconnect the cables to CLK OUT3 and CLK OUT3, respectively. Verify that the oscilloscope displays the same waveforms as step 4 on the screen.
Page 206 H Connect a BNC coaxial cable from the SMA-BNC adapter (CH1 output of output module) to the 50 Ω termination of digital multi meter. See Figure 4- -30. 4- - 62 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 207 CH1 output as shown in Table 4- -5 (DTGM10) or Table 4- -7 (DTGM20). g. Verify that the DMM readings are within the voltage limits. 4- - 63 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 208 -- 1.0 V -- 0.05 V to + 0.05 V 1.0 V -- 1.0 V 0.92 V to 1.08 V 2.0 V -- 1.0 V 1.89 V to 2.11 V 4- - 64 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 209 NOTE. When you perform the voltage measurements for CH1 and CH2, load the setup file OM_L.dtg for high level measurements and OM_H.dtg for low level measurements. 4- - 65 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 210 -- 1.08 V to -- 0.92 V 0.5 V 1.50 V 0.435 V to 0.565 V 2.0 V 2.25 V 1.89 V to 2.11 V 2.44 V 2.47 V 2.3168 V to 2.5632 V 4- - 66 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 211 + SMA (female)-BNC (male) adapter CH2 Input module + SMA (female)-BNC 50 Ω SMA coaxial cables CH2 of output module (male) adapter Figure 4- - 31: Data format tests 4- - 67 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 212 Verify that the oscilloscope displays pulse pattern such as shown in Figure 4- -32. Figure 4- - 32: Pulse pattern example c. Push the TIMING button at the front panel of DTG5000 series mainframe to display the Timing Window. 4- - 68 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 213 Change CH1 Format of slot A from RZ to R1. Verify that the displayed waveform is changed from Figure 4- -33 to Figure 4- -34. Figure 4- - 34: R1 waveform example 4- - 69 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 214 Performance Verification 4- - 70 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 215 Adjustment Procedures...
Page 217 Adjustment Procedures There are no adjustments. All boards are adjusted when they are shipped from the factory. 5- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 218 Adjustment Procedures 5- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 219 Maintenance...
Page 221 H The Theory of Operation section contains a circuit description at the module, or block, level. H The Performance Verification section contains procedures that may be useful in isolating problems to modules by testing product performance. 6- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 222 5. Handle circuit boards by the edges when possible. 6. Do not slide the modules over any surface. 7. Avoid handling modules in areas that have a floor or work-surface covering capable of generating a static charge. 6- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 223 7 = 400 to 1000 V (est.) 3 = 250 V 8 = 900 V 4 = 500 V 9 = 1200 V 5 = 400 to 600 V 6- - 3 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 224 Use an ethyl alcohol solution as a cleaner and rinse with deionized water. Before using any other type of cleaner, consult your Tektronix Service Center or representative. 6- - 4 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 225 CAUTION. To prevent getting moisture inside the generator during external cleaning, use only enough liquid to dampen the cloth or applicator. 6- - 5 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 226 Firmly seat connectors. Repair or Burned, broken, or frayed wiring. replace modules with defective wires or cables. Chassis Dents, deformations, and dam- Straighten, repair, or replace aged hardware. defective hardware. 6- - 6 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 227 NOTE. If steps 1 and 2 do not remove all the dust or dirt, please contact your local Tektronix service or Beaverton service center. Lubrication. There is no periodic lubrication required for the data timing generator. 6- - 7 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 228 Maintenance 6- - 8 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 229 Inspection and Cleaning at the beginning of this section.) WARNING. To prevent serious injury or death, disconnect the power cord from the line voltage source before doing any procedure in this subsection. 6- - 9 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 230 Retaining Ring Pliers Standard tool Angle-Tip Tweezers Standard tool Pliers Standard tool Cable remover U.FL cable remover by HIROSE Soldering Iron Standard tool Solder Wick Standard tool Adhesive TRA-CON: Tra-Bond #BA-2114 6- - 10 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 231 The procedures refer to “front,” “right,” “top,” and so on. of the data timing generator. Figure 6- -1 shows how the sides are referenced. Figure 6- - 1: Instrument orientation (DTG5078) 6- - 11 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 232 Blank Plug--In CD--ROM drive GPIB card CPU module Output module Power cable Front-Panel assembly Display assembly Filter Blank Plug--In FD drive Output module Figure 6- - 2: External modules 6- - 12 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 233 Front-Panel bezel Front-Panel chassis Inverter unit A20 Front Key & DC Output board Rotary encoder Display assembly Knob Filter Rubber key Figure 6- - 3: Front-Panel assembly & Display assembly 6- - 13 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 234 Figure 6- - 4: Internal modules (Lower) Compact PCI frame A30 Compact PCI Backplane A10 Connector & PCI Interface board Power supply Figure 6- - 5: Internal modules (Upper) 6- - 14 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 235 8. Re- -install all modules previously removed. Read the instructions found at the end of the procedure that removes the module to be serviced. These instructions will guide you in re- -installing all modules previously removed. 6- - 15 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 236 H Feet & Rear- -Panel H FD drive H Front-Panel assembly H A20 Front Key & USB & DC Output board H A22 Power Switch board H Display Assembly H Inverter H Fan 6- - 16 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 237 2. Loosen the two screws with screwdriver. 3. Grasp the right and left screws and slowly pull the Output module to remove it from the mainframe. Figure 6- - 6: Output Module removal 6- - 17 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 238 1. Orient the data timing generator so its bottom is down on the work surface and its rear is facing you. 2. Loosen the two screws with screwdriver. Figure 6- - 8: Loosen the screws 6- - 18 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 239 Figure 6- - 10: Loosen the screws 3. To remove the CPU module, press the eject knobs by pushing the red release button to the outside. 4. To install, do the procedure in reverse order. 6- - 19 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 240 6. When the main chassis comes out a little, grasp the front side of the main chassis then pull it out. 7. To install, do the procedure in reverse order. 6- - 20 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 241 When removing or installing the cabinet, take care not to damage the EMI gaskets on the cabinet, or the data timing generator may not meet its emissions requirements (EMI). Figure 6- - 12: Cabinet removal 6- - 21 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 242 2. Remove the four screws at the feet and one screw on the rear panel. Figure 6- - 13: Remove the screws 3. To install, do the procedure in reverse order. 6- - 22 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 243 NOTE. When removing or installing the cabinet, take care not to damage the EMI gaskets on the cabine, or the data timing generator may not meet its emissions requirements (EMI). 6- - 23 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 244 3. Remove the two screws, slide the FD drive toward the rear panel and pull it Figure 6- - 16: FD drive removal 4. To install, do the procedure in reverse order. 6- - 24 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 245 5. Remove the front panel chassis from the bezel doing the following steps. DTG5274 only DTG5274 only latch position Unplug the cable Unplug the cable Figure 6- - 17: Front-panel chassis removal 6- - 25 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 246 5. To remove the rubber key, push the button from the front- -panel surface. 6. To remove the Rotary encoder, pull out the Rotary encoder knob from the front-panel by hand, and remove a hexagon nut. 6- - 26 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 247 2. Remove a tapping screw attaching the A22 board to the front-panel using the #1 Phillips screw driver. Figure 6- - 19: A22 Power Switch Board removal 3. To install, do the procedure in reverse order. 6- - 27 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 248 5. Unplug the cable connected to the A10 Connector & PCI Interface board. Figure 6- - 20: Display assembly removal 6. To install, do the procedure in reverse order. 6- - 28 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 249 2. Unplug the cable connected to J540 on the A10 Connector & PCI Interface board. 3. Remove the two screws. Figure 6- - 21: Inverter board removal 4. To install, do the procedure in reverse order. 6- - 29 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 250 4. Remove the four screws attaching the fan to the main frame, and lift the fan away. Figure 6- - 22: Fan removal 5. To install, do the procedure in reverse order. 6- - 30 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 251 This section describes removal/installation procedures for the following modules: H Plug In Box H A60 (DTG5274) / A62(DTG5078) / A63(DTG5078) Output Board H A50 (DTG5274) / A54 (DTG5078) Main Board 6- - 31 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 252 Pull the flex cable by pushing the upper button of the part of the connector. H Two power cables to A10 Connector board d. Push the latch lever to release, then unplug the connector. 6- - 32 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 253 H One power cable to A10 Connector board h. Push the latch lever to release, then unplug the connector. DTG5078 DTG5274 Push here Push here Figure 6- - 24: Unplug the cables and connectors 6- - 33 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 254 NOTE. When removing and installing the Plug- - In Box, be carful not to catch the cables. Remove the screws ! Not to bind or pinch the cables 7. To install, do the procedure in reverse order. 6- - 34 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 255 Removal and Installation Procedures A60 / A62 / A63Output The DTG5078 has A62 and A63 Output board and the DTG5274 has A60 board Output board. Each Output board is built in the Plug- -In Box. You will need a screwdriver with a #2 Phillips tip (Items 1 and 3).
Page 256 Removal and Installation Procedures A50 / A54 Main board The DTG5078 has A54 Main board and the DTG5274 has A50 Main board. You will need a screwdriver with a #2 Phillips tip (Items 1 and 3). 1. Remove the Plug- -In Box.
Page 257 7. To install, do the procedure in reverse order. NOTE. When you have exchanged A50/A54 Main board, you need to enter the serial number. Refer to Service Password section on page 6- - 73. 6- - 37 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 258 You should have completed the Access Procedure before doing any procedure in this collection. This section describes removal/installation procedures for the following modules: H A10 Connector Board H A30 Compact PCI Back Plane H Compact PCI Frame 6- - 38 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 259 A10 Connector board . 7. Lift the module up out of the main chassis to complete removal. 8. To install, do this procedure in reverse order. 6- - 39 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 260 H The cable to the Inverter board H The power cables to the A54 Main board, A62 and A63 Output boards (DTG5078), to the A50 Main board, A60 Output board (DTG5204) 4. Remove the ten screws attaching the A10 Connector & PCI Interface board to the main chassis.
Page 261 5. To remove the A10 Connector & PCI Interface board, press the eject knobs toward the outside, then pull out the board. Figure 6- - 29: A10 Connector & PCI Interface board removal 6. To install, do the procedure in reverse order. 6- - 41 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 262 4. Lift the Compact PCI Frame up away from the main chassis. Figure 6- - 30: Compact PCI Frame removal 5. To install, do the procedure in reverse order. 6- - 42 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 263 3. Remove the nine screws attaching the A30 Compact PCI Backplane board to the Compact PCI Frame. Figure 6- - 31: A30 Compact PCI Backplane removal 4. To install, do the procedure in reverse order. 6- - 43 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 264 Removal and Installation Procedures 6- - 44 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 265 H Figure 6- -32 to 6- -34: Primary Troubleshooting Procedure H Figure 6- -36: Troubleshooting Procedure A - - Power Supply and A10 board section H Figure 6- -35: Troubleshooting Procedure B - - Display section. 6- - 45 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 266 G Re--install DTG5000 Series Product Software by using Does the DTG5000s the “DTG5000 Series Product Software” Disk. Product S/W start up Refer to page 6--69. normally? Figure 6- - 32: Primary troubleshooting procedure (1) 6- - 46 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 267 G Check the W1004 Are all keys and rotary knob active ? G Replace the A20 Front Key & DC Output Board. Figure 6- - 33: Primary troubleshooting procedure (2) 6- - 47 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 268 G Check the W1001 G Suspect the LCD Module. A10 CONNECTOR & CPCI I/F, A30 CPCI BACKPLANE Board, and CPU Module. Figure 6- - 35: Troubleshooting procedure B — Display section 6- - 48 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 269 G Change the Power Supply correct ? Module. G Change the A10 CONNECTOR & CPCI Board. Figure 6- - 36: Troubleshooting procedure A - - Power Supply and A10 board section 6- - 49 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 270 +3.3V +12V J800 J780 J760 Test Point J810 J902 J750 J400 J820 J520 J620 J540 A10 Connector board Figure 6- - 37: Test point on the A10 Connector board 6- - 50 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 271 Skew and delay timing H DTG5274 --> Replace A60 Output board H DTG5078 --> Replace A54 Main board Clock out random jitter H DTG5274 --> Replace A50 Main board 6- - 51 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 272 Table 6- - 5: Performance Test (cont.) Performance test items Action H DTG5078 --> Replace DTGM30, A62 (Slot A to Slot D) Random jitter Output board or A63 (Slot E to Slot H) Output board, and A54 Main board by turns.
Page 273 If you see such a message, press the ENTER key and click the OK button to proceed with the next step. The DTG5000 software starts. When the DTG5000 Series contains an unsolved error, the test cannot be conducted normally. 6- - 53 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 274 If you select this checkbox, the diagnostic test repeats until it detects any fail. To cancel the test, click the Cancel button. Cancel Stops the test that is running. Available only during the test. Close Closes the dialog box. 6- - 54 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 275 Troubleshooting Diagnostics Items The diagnostics investigate the following items. NOTE. DTG5274 uses the A50 and A60 boards. DTG5078 uses the A54 , A62 and A63 boards. DTGM10 uses the A74 board, DTGM20 uses the A72 board and DTGM30 uses the A70 board.
Page 276 Measure the delay time for every bit of DLY10 and make sure that the result is within the allowance level. Does not perform this check for the slot E, F, G and H in the DTG5078 because these slots use another type of delay lines.
Page 277 Pattern Memory section. Fail (xxxxxxx) The test detected an error. xxxxxxx represents an error code. Executing Now executing. 6- - 57 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 278 15112, 0xNN, 0xNN, 0xNN Argument3 Argument2 Argument1 Slot position Board position Category Mainframe number Slot position Upper Upper Board position Lower DTG5078 DTG5274 Figure 6- - 39: Diagnostics error code format 6- - 58 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 279 Sequence Memory Address Bus Fail Memory Bus Sequence Memory Cell Fail Pattern Memory Data Bus Sequence Memory Data Bus Fail Address Bus Sequence Memory Address Bus Fail Memory Bus Sequence Memory Cell Fail 6- - 59 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 280 Mainframe1 A70/A72/A74 Register DTGM10/DTGM20/DTGM30, or same as above same as above same as above Read/Write Fail (The output module DTG5078: A63 of Slot D(if DTG5274)/Slot G(if DTG5274: A60 DTG5078)) 6- - 60 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 281 DTG5274)/Slot E(if DTG5078)) DTG5274: A60 15103 Mainframe1 Output Level Fail(The — — Inserted Output Module or same as above output module of Slot D(if DTG5078: A63 DTG5274)/Slot G(if DTG5078)) DTG5274: A60 6- - 61 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 282 Write data DTG5078: A54 Bus Fail dress DTG5274: A50 17100 Mainframe1 Pattern Memory Ad- DTG5078: A54 same as above same as above same as above dress Bus Fail DTG5274: A50 6- - 62 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 283 DTG5274: A60 DTG5078)) 23010 Mainframe2 A70/A72/A74 Register DTGM10/DTGM20/DTGM30, or same as above same as above same as above Read/Write Fail (The output module DTG5078: A63 of Slot B) DTG5274: A60 6- - 63 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 284 Slot B) DTG5078: A62 25111 Mainframe2 Output Level Fail(The — — Inserted Output Module or same as above output module of Slot D) DTG5078: A62 6- - 64 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 285 DTG5078: A54 same as above same as above same as above Fail DTG5274: A50 /*- - - - - - Register Diagnostics - - - - - - */ 6- - 65 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 286 DTG5274: A60 33011 Mainframe3 A70/A72/A74 Register DTGM10/DTGM20/DTGM30, or same as above same as above same as above Read/Write Fail (The output module DTG5078: A63 of Slot D) DTG5274: A60 6- - 66 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 287 Slot D) DTG5078: A62 35112 Mainframe3 Output Level Fail(The — — Inserted Output Module or same as above output module of Slot F) DTG5078: A62 6- - 67 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 288 Bus Fail DTG5274: A50 37200 Mainframe3 Pattern Memory Cell DTG5078: A54 same as above same as above same as above Fail DTG5274: A50 6- - 68 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 289 1. With the power off, connect the PS/2 keyboard and PS/2 mouse to the connectors on the rear panel. 2. Power on the unit. 3. Load the recovery CD- -ROM in the CD- -ROM drive on the rear panel. 6- - 69 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 290 10. Click Restart Now, and Windows runs. The computer name is DTG5000, and you can log on the Windows 2000 as the following user name and password. H User name: Administrator H Password: dtg5000 6- - 70 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 291 The installer starts automatically. If it does not start, double- -click the setup.exe icon to start the installer. 2. The message “Welcome to the InstallShield Wizard for Tektronix...” appears. Click Next. 3. The message “InstallShield Wizard Complete” appears. Click Finish.
Page 292 Appendix B: System Recovery 6- - 72 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 293 1. Select System, and then select Set Serial Number... from the menu bar. The Set Serial Number dialog box appears. 2. Enter a serial number labeled on the rear panel, then select OK button. 6- - 73 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 294 Appendix B: System Recovery Figure 6- - 41: Set Serial Number dialog box 6- - 74 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 295 Replaceable Electrical Parts...
Page 297 The modules that make up this instrument are a combination of mechanical and electrical subparts. Therefore, all replaceable modules are listed in Replaceable Mechanical Parts. Refer to that section for part numbers when using this manual. 7- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 298 Electrical Parts List 7- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 299 Diagrams...
Page 301 H Block & Interconnect Diagram for the DTG5000 Series This diagram shows the modules and functional blocks in the data timing generator. And it also shows how the modules in the data timing generator connect together. 8- - 1 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 302 Diagrams PHASE MASTER/SLAVE CONNECTION CLOCK LOCK Block and interconnection for DTG5078 8- - 2 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 303 Diagrams PHASE MASTER/SLAVE CONNECTION CLOCK LOCK Block and interconnection for DTG5274 8- - 3 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 304 Diagrams 8- - 4 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 305 Replaceable Mechanical Parts...
Page 307 670-7918-03 670-7918-XX When you order parts, Tektronix will provide you with the most current part for your product type, serial number, and modification (if applicable). At the time of your order, Tektronix will determine the part number revision level needed for your product, based on the information you provide.
Page 308 Module Servicing Modules can be serviced by selecting one of the following three options. Contact your local Tektronix service center or representative for repair assistance. Module Exchange. In some cases you may exchange your module for a reman- ufactured module. These modules cost significantly less than new modules and meet the same factory specifications.
Page 309 14150 SW KARL BRAUN DR BEAVERTON OR 97077--0001 PO BOX 500 86928 SEASTROM MFG CO INC 701 SONORA AVE GLENDALE CA 91201--2431 98291 SEALECTRO CORP 40 LINDEMAN DR TURNBULL CT 06611--4739 BICC ELECTRONICS 9- - 3 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 310 CA ASSY,RF, 50OHM,COAX,45CM L,1.5D--QEW ,SMA(PANEL) TO SMB--STR 01--026 131--1315--01 CONN,RF,JACK, BNC,50OHM,FEMALE,STR,PEL TORA,PANEL MOUNT 01--027 344--A019--00 CLIP,CABLE, WIRE SADDLE,16 MM X 15.5 MM,66 NYLON 01--028 174--C059--00 CA ASSY,RF, 50OHM COAX,20CM L,PELTORA TO PELTRA 9- - 4 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 311 01--029 174--C060--00 CA ASSY,RF, 50OHM COAX,30CM L,PELTORA TO PELTRA 01--030 174--C056--00 CA ASSY,SP,ELEC, 18,18AWG,1--N,25CM L,MOLEX TO MOLEX 10 10 21 21 Figure 9- - 1: Main Chassis (1) (DTG5078) 9- - 5 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 312 BUTTON PLUG 02--027 134--A008--00 BUTTON,PLUG, NYLON66,BLACK CONN,RF,JACK, BNC,50OHM,FEMALE,STR,PELTORA,PANEL MOUNT 02--028 131--1315--01 02--029 344--A019--00 CLIP,CABLE, WIRE SADDLE,16 MM X 15.5 MM,66 NYLON 02--030 174--C059--00 CA ASSY,RF, 50OHM COAX,20CM L,PELTORA TO PELTRA 9- - 6 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 313 02--031 174--C060--00 CA ASSY,RF, 50OHM COAX,30CM L,PELTORA TO PELTRA 02--032 174--C056--00 CA ASSY,SP,ELEC, 18,18AWG,1--N,25CM L,MOLEX TO MOLEX 10 10 21 21 Figure 9- - 2: Main Chassis (1) (DTG5274) 9- - 7 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 314 CIRCUIT BD ASSY:A10 CONNECTOR & PCI I/F BOARD,389--B227--XX WIRED 03--027 211--0871--00 SCREW,MACHINE, M3X6MM L,PNH,STL,ZN PL,CROSS REC,W/FLAT(7MM OD)& LOCK WASHER 03--028 174--C058--00 CA ASSY,SP,ELEC, 60,30AWG,20CM L,W/CONN(YAMAICHI NFS) 03--029 211--0751--00 SCREW,MACHINE, M3X8MM L,PNH,STL,ZN--C,CROSS REC W/FLAT&LOCK WASHERS 9- - 8 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 315 INVERTER UNIT, COLD--CATHODE TUBE INVERTER FOR LTM08C351,12VDC,0.9A 03--035 211--0871--00 SCREW,MACHINE, M3X6MM L,PNH,STL,ZN PL,CROSS REC,W/FLAT(7MM OD)& LOCK WASHER 03--036 348--0948--00 GROMMET,PLASTIC, NYLON,BLACK,RING,9.5MM ID 03--037 344--0472--00 BUSHING,NYLON,GRA Y 03--032 343--A322--00 CLAMP,CABLE, CLIP LOCKING WIRE,NYLON 9- - 9 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 316 Replaceable Mechanical Parts Figure 9- - 3: Main Chassis (2) 9- - 10 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 317 SOFTWARE LICENSE EMD WINDOWS2000PROFFESIONAL EN,ENGLISH 04--004 211--8800--50 SCREW,MACHINE, M4X8MM L,BDGH,STL,ZN--C 04--005 211--8800--50 SCREW,MACHINE, M4X8MM L,BDGH,STL,ZN--C 04--006 334--1378--50 MARKER,IDENT, MKD SERIAL NO. FOR TEK Figure 9- - 4: Main Chassis & Cabinet 9- - 11 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 318 SHLD GASKET,ELEK, CONDUCTIVE URETHANE FOAM,9.5 MM SQ,W/ADHESIVE 05--004 351--A173--00 GUIDE,CKT BD, BOTTOM,COMPACT PCI 05--005 351--A174--00 GUIDE,CKT BD, TOP,COMPACT PCI 05--006 211--0871--00 SCREW,MACHINE, M3X6MM L,PNH,STL,ZN PL,CROSS REC,W/FLAT(7MM OD)& LOCK WASHER 9- - 12 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 319 Replaceable Mechanical Parts Figure 9- - 5: A30 & Compact PCI Frame 9- - 13 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 320 BRACKET,POWER SUPPLY, AL,T1.6 06--004 174--C053--00 CA ASSY,SP,ELEC, 3,18AWG,15CM Lx1 LUG TO LUG,25 CMx2 LUG M4 TO FSTN W/TUBE 06--005 174--C054--00 CA ASSY,SP,ELEC, 18,18AWG,25CM L,MOLEX TO LUG M4 06--006 119--B189--00 POWER SUPPLY 9- - 14 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 321 Replaceable Mechanical Parts Figure 9- - 6: Power Supply 9- - 15 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 322 07--001 119--5953--00 FLOPPY DISK DRIVE, 3.5 INCH 3--MODE W/INTERFACE 07--002 407--A716--01 BRACKET,FDD, AL,T1.6 07--003 211--A275--00 SCREW,MACHINE, M2.6X5MM L,PNH,STL,ZN--C,CROSS REC,W/K--PLAIN & LOCK WASH Figure 9- - 7: Floppy Disk Drive 9- - 16 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 323 A10 CONNECTOR & PCI Interface 9--8 08--001 105--A068--00 EJECTOR,BD,CBE--15 08--002 671--B225--51 CIRCUIT BD ASSY:A10 CONNECTOR & PCI I/F BOARD,389--B227--XX WIRED Figure 9- - 8: A10 Connector & PCI Interface 9- - 17 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 324 FLEX CIRCUIT, A34 CD_ROM CONNECT 09--005 119--B199--00 CD--ROM DRIVE UNIT, 12/8CM,CD/CD--ROM,X24 09--006 407--A736--00 BRACKET,CD--ROM, RIGHT,STL,T1.6,DTG5000 09--007 211--A269--00 SCREW,MACHINE, M2X4MM L,PNH,STL ZN--C,CROSS REC,W/FLAT(6MM OD) WASHER 09--008 211--0905--00 SCREW,MACHINE, M3X6MM L,PNH,STL ZN--C,CROSS REC 9- - 18 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 325 Replaceable Mechanical Parts Figure 9- - 9: A32 CDROM Extender 9- - 19 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 326 366--A060--01 RUBBER,SET, SILICON,DTG5000 10--016 260--A156--00 SWITCH,ROTARY, ENCODER,5VDC,70MA INCREMENTAL,260--A153--00 W/CONN 10--017 334--A613--01 MARKER,IDENT:OUTPUT,DTG5000 10--018 334--A610--01 MARKER,IDENT:A--C--E--G 10--019 334--A611--01 MARKER,IDENT:B--D--F--H 10--020 334--A609--00 MAKER,IDENT, KEYBOARD,DTG5000 (LEXAN Film) 10--021 366--A058--00 SHELL,KNOB, SILVER GRAY,38MMODx12MMH 9- - 20 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 327 Replaceable Mechanical Parts Figure 9- - 10: Front Panel (DTG5078) 9- - 21 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 328 SUBPANEL,FRONT, BLANK,DTG5274,AL 11--021 333--A461--00 PANEL,FRONT, BLANK,DTG5274,POL YCARBONATE 11--022 334--A613--01 MARKER,IDENT:OUTPUT,DTG5000 11--023 334--A619--01 ”MARKER,IDENT:A--B--C--D 11--024 334--A620--00 MAKER,IDENT, BLANK,DTG5000,LEXAN FILM 11--025 334--A609--00 MAKER,IDENT, KEYBOARD,DTG5000 (LEXAN Film) 11--026 366--A058--00 SHELL,KNOB, SILVER GRAY,38MMODx12MMH 9- - 22 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 329 Replaceable Mechanical Parts Figure 9- - 11: Front Panel (DTG5274) 9- - 23 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 330 PLASTIC 12--003 214--B282--01 FASTENER,BAG 12--004 390--1216--00 CABINET: DTG5000 12--005 200--2191--00 CAP,RETAINER 12--006 367--0247--01 HANDLE CARRYING 12--007 348--1515--00 FOOT:ELMA 63--526 348--A141--00 SHLD GSKT,ELEC, CONDUCTIVE URETHANE FORM,1 X 4 MM,W/ADHESIVE TAPE 9- - 24 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 331 Replaceable Mechanical Parts Figure 9- - 12: Cabinet 9- - 25 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 332 REC,W/FLAT(7MM OD)& LOCK WASHER 13--014 671--B278--50 CIRCUIT BD ASSY:A63 OUTPUT,389--B234--51 WIRED 13--015 351--A172--00 GUIDE,CKT BD, MICTOR CONNECTOR,AL 13--016 211--A171--00 SCREW,MACHINE, M3X12MM L,PNH,STL,ZN--CM1,W/K--PLAIN & SPLIT WASHER 13--017 348--1472--00 SHIELD GASKET 9- - 26 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 333 Replaceable Mechanical Parts Figure 9- - 13: Plug- - In Box (DTG5078) 9- - 27 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 334 SCREW,MACHINE, M3X6MM L,PNH,STL,ZN PL,CROSS REC,W/FLAT(7MM OD)& LOCK WASHER 14--008 342--A165--00 INSULATOR,PLATE, HEAT CONDUCTOR,A60/62,30MM SQ,T=2MM 14--009 351--A172--00 GUIDE,CKT BD, MICTOR CONNECTOR,AL 14--010 211--A171--00 SCREW,MACHINE, M3X12MM L,PNH,STL,ZN--CM1,W/K--PLAIN & SPLIT WASHER 14--011 348--1472--00 SHIELD GASKET 9- - 28 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 335 Replaceable Mechanical Parts Figure 9- - 14: Plug- - In Box (DTG5274) 9- - 29 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 336 DTG5078 FBLANK PLUG- IN 9--15 15--001 333--A462--00 PANEL,FRONT, BLANK PLUG--IN,POLYCARBONATE 15--002 214--B284--00 FASTENER ASSY, M2.5 SCREW,PRESSMOUNT,SPRING--LOADED 15--003 348--A155--00 GASKET,SHIELD, CONDUCTIVE URETHAN FORM,2MM X 4MM,W/CONDUCTIVE ADHESIVE 15--004 441--A316--01 CHASSIS,ASSY, BLANK PLUG--IN 9- - 30 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 337 Replaceable Mechanical Parts Figure 9- - 15: Blank Plug- - In 9- - 31 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 338: Table 1- -30: Dtgm10
SCREW, MACHINE:M3X6MM L, PNH, STL, ZN PL, CROSS REC, W/FLAT(7MM OD)& LOCK WASHER 16--016 407--A740--00 BRACKET:PLUG--IN BOARD, A5052P--H32(34), T1.0 16--017 441--A306--02 CHASSIS, MAIN:PLUG--IN 16--018 334--1378--50 MARKER, INDENT:MKD SERIAL NO. 9- - 32 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 339 Replaceable Mechanical Parts Figure 9- - 16: DTGM10 9- - 33 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 340 SCREW, MACHINE:M3X6MM L, PNH, STL, ZN PL, CROSS REC, W/FLAT(7MM OD)& LOCK WASHER 17--016 407--A740--00 BRACKET:PLUG--IN BOARD, A5052P--H32(34), T1.0 17--017 441--A306--02 CHASSIS, MAIN:PLUG--IN 17--018 334--1378--50 MARKER, INDENT:MKD SERIAL NO. 9- - 34 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 341 Replaceable Mechanical Parts Figure 9- - 17: DTGM20 9- - 35 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 342 SCREW, MACHINE:M3X6MM L, PNH, STL, ZN PL, CROSS REC, W/FLAT(7MM OD)& LOCK WASHER 18--018 407--A740--00 BRACKET:PLUG--IN BOARD, A5052P--H32(34), T1.0 18--019 441--A306--02 CHASSIS, MAIN:PLUG--IN 18--020 334--1378--50 MARKER, INDENT:MKD SERIAL NO. 9- - 36 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 343 Replaceable Mechanical Parts Figure 9- - 18: DTGM30 9- - 37 DTG5078 & DTG5274 Data Timing Generator Service Manual...
Page 344 COMPONENT KIT:FIELD KIT,RACK--MOUNT,DTG5000 19--1 407--A720--00 BRACKET,LEFT: RACK--MOUNT,AL,t2.0mm 19--2 426--A203--00 MOUNT BASE,LEFT RACK--MOUNT,AL,t4.0mm 19--3 213--A250--00 SCREW,MACHINE FM4X8 L,FLH,STL,ZN--C PL,CROSS REC 19--4 407--A721--00 BRACKET,RIGHT: RACK--MOUNT,AL,t2.0mm Figure 9- - 19: Op 1R (Rack Mount) 9- - 38 DTG5078 & DTG5274 Data Timing Generator Service Manual...

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