Tektronix TAS 475 Service Manual

List of Figures
viii
5-20
Figure 5-16: Analog Board Adjustment Locations ............... .
Figure 6-1:
Oscilloscope Orientation ........................... .
Figure 6-2: Cabinet and
Front-Panel Mounted Modules .......... .
6-10 •
6-12
Figure 6-3:
Internal Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Figure 6-4:
Cables and Cable Routing .......................... 6-14
Figure 6-5: Line Fuse and Line Cord
Removal ................... 6-15
Figure 6-6: Knob and Shaft
Removal ........................... 6-16
Figure 6-7: Rear Cover, Cabinet, and Feet
Removal .............. 6-17
Figure 6-8: Trim Ring and Menu Buttons
Removal . . . . . . . . . . . . . . . . 6-20
Figure 6-9: EMI Gasket Installation ............................. 6-21
Figure 6-10: A62 Front Panel Module Removal . . . . . . . . . . . . . . . . . . . 6-22
Figure 6-11:
Disassembly of Front-Panel Assembly . . . . . . . . . . . . . . . 6-23
Figure 6-12:
Front-Panel Ground Spring ........................ 6-24
Figure 6-13: Menu
Flex Circuit Board Removal. . . . . . . . . . . . . . . . . . . 6-25
Figure 6-14:
A1 Analog Board Removal. . . . . . . . . . . . . . . . . . . . . . . . . 6-27
Figure 6-15: CRT
Implosion Shield Removal. . . . . .. . . .. . . . .. . . .. . 6-28
Figure 6-16: CRT Rear Bracket and Ground
Clip ................. 6-30
Figure 6-17: CRT Removal .................................... 6-32
Figure 6-18:
Power Button Shaft Disconnect. . . . . . . . . . . . . . . . . . . . . 6-34
Figure 6-19:
Power Supply Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-35
Figure
6-20: Fan and Fan Mount Removal ...................... .
Figure 6-21:
A5 CPU Board Troubleshooting Procedure .......... .
Figure 6-22: A 1
Analog Board Troubleshooting Procedure ....... .
Figure 6-22:
A1 Analog Board Troubleshooting Procedure (Cont.) ..
6-37
6-42
6-43
6-44
Figure 6-23:
A3 Display Driver Board Troubleshooting Procedure .. 6-45
Figure 6-23:
A3 Display Driver Board Troubleshooting
Procedure
(Cont.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-46
Figure 6-24: A62 Front
Panel module Troubleshooting Procedure .. 6-47
Figure 6-25:
A2 Display Control Board Troubleshooting Procedure . 6-48
Figure 9-1: Graphic
Items and Special Symbols Used in
This Manual ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Figure 9-2: Circuit Board Component Locator Diagram Key
....... 9-2
Figure 9-3: Semiconductor Lead Configurations
................. 9-3
Figure 9-4: Locating Components on Circuit Board or
Schematic Diagram
....................................... 9-4
Figure 9-5:
A2 Display Control Board. . . . . . . . . . . . . . . .. . . . . . . . . . . 9-5
Figure 9-6:
A5 Processor Board
TAS 475 - SN B010570 and Below
TAS 485 - SN B010320 and Below......................... 9-7
Figure 9-7:
A5 Processor Board
TAS 475 - SN B010571 and Above
TAS 485 - SN B010321 and Above. ... . . . . .. . .. .. ... .. . . . .. 9-9
Figure 9-8: A4 Front
Panel Board .............................. 9-11
Figure 9-9: A 1 Analog Board and A 10 Termination Board ........ .
Figure
9-10: A3 Display Driver Board (TAS 475) ................. .
Figure 9-11:
A3 Display Driver Board (TAS 485) ................. .
9-13
9-15
9-17
Contents
•
•
Scan by Zenith

Tektronix TAS 475 Specifications

General

Brand	Tektronix
Model	TAS 475
Category	Test Equipment
Language	English