Tektronix TDS 420A Service Manual

Table of Contents
TDS 420A, TDS 430A & TDS 460A Service Manual
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Figure 6--26: Line filter removal 6--65..............................
Figure 6--27: Auxiliary power supply
removal, B010100 -- B079999 6--68.............................
Figure 6--28: A04 Acquisition Board Removal 6--70..................
Figure 6--29: Accessing the protection switch 6--76...................
Figure 6--30: Console port connections 6--79........................
Figure 6--31: Primary Troubleshooting Procedure 6--80...............
Figure 6--32: A03 CPU Board Connector P1 6--81....................
Figure 6--33: Module Isolation Troubleshooting Procedu re 6--82.......
Figure 6--34: Low Voltage Power Supply
Troubleshooting Procedure 6--84..............................
Figure 6--35: Power Supply Overload
Troubleshooting Procedure 6--86..............................
Figure 6--36: A25 Low Voltage Power
Supply Module (Right Side) 6--87..............................
Figure 6--37: Monitor Troubleshooting Procedure 6--88...............
Figure 6--38: Horizontal and Vertical Sync Signals 6--89..............
Figure 6--39: A Video Signal with White, Black,
and Blanking Levels 6--89....................................
Figure 6--40: A26 Monitor Connector J440 6--90.....................
Figure 6--41: A07 Auxiliary Power Connectors J4 an d J7 6--90.........
Figure 6--42: A02 Display Connector J2 6--91.......................
Figure 6--43: Processor/Front Panel Troubleshooting Procedure 6--92...
Figure 6--44: A06 Front Panel Board Power Connectors
J101 and J106 6--93.........................................
Figure 6--45: Attenuator/Acquisition Troubleshooting Procedure 6--94..
Figure 6--46: A08 Jumper and A05 Attenuator Boards
Signal Locations 6--95.......................................
Figure 6--47: Acquisition and Attenuator Power
Troubleshooting Procedure 6--96..............................
Figure 6--48: A04 Acquisition Board Power Connector 6--97...........
Figure 6--49: Backplane Troubleshooting Procedure 6--98.............
Figure 6--50: A01 Backplane Module 6--100..........................
Figure 6--51: I2C Isolation Troubleshooting Procedu re 6--101...........
Figure 6--52: Console Troubleshooting Procedu re 6--102...............
Figure 9--1: TDS 400A Interconnections, B010100 -- B079999 9--2.....
Figure 9--2: TDS 400A Interconnections, B010100 -- B079999 (Cont) 9--3
Figure 9--3: TDS 400A Block Diagram, B010100 -- B079999 9--4.......
Figure 9--4: TDS 400A Block Diagram, B010100 -- B079999 (Cont) 9--5

Tektronix TDS 420A Specifications

General

Brand	Tektronix
Model	TDS 420A
Category	Test Equipment
Language	English