Tektronix 475 Technical Manual

TM 11-6625-2735-14-1
Troubleshooting the Horizontal Amplifier
Troubleshooting the Vertical System
Troubleshooting the Z-Axis Circuit
Corrective Maintenance
Introduction
Obtaining Replacement Parts
Standard Parts
Special Parts
Ordering Parts
Soldering Techniques
Small Component Replacement
General
Transistor and I.C. Replacement
Interconnecting Pin Replacement
Ceramic Terminal Strip Replacement
Fuse Replacement
Cam Switch Replacement
Circuit Board Replacement
Vertical Preamp Board Removal
Vert Mode-Gain Switch Board Removal
Trigger Generator And Z-Axis Logic
Board Removal
Timing Board Removal
Vertical Output Board Removal
Fan Motor Board Removal
Inverter Board Removal (Option 7 only)
Page 4-18
Page 4-18
Page 4-18
Page 4-18
Page 4-19
Page 4-19
Page 4-19
Page 4-19
Page 4-19
Page 4-20
Page 4-20
Page 4-20
Page 4-21
Page 4-21
Page 4-22
Page 4-22
Page 4-22
Page 4-24
Page 4-25
Page 4-25
Page 4-26
Page 4-26
Page 4-26
Page 4-27
Power Supply Board Removal (475 DM 43
and DM 40 only)
Page 2-47
Main Interface Board Removal
Page 4-28
Power Transformer Removal
Page 4-29
Cathode-ray Tube Removal Page 4-30
4-2
Cathode-ray Tube Installation
Page 4-31
High-Voltage Multiplier Removal Page 4-31
Delay Line Removal Page 4-32
Recalibration After Repair
Page 4-32
Instrument Repackaging
Page 4-32
CABINET AND RACK ADAPTER
REMOVAL
Standard Cabinet Removal
The standard instrument cabinet can be removed in the
following manner:
1. Disconnect the instrument power cord from the
power source.
2. Install the front-panel cover and set the instrument
face on a flat surface.
3. Unwrap the power cord from the instrument feet.
4. Remove the 6 screws indicated in Fig. 4-1 and
remove the rear cabinet frame with feet and screws from
the instrument as an intact assembly.

Tektronix 475 Specifications

General

Brand	Tektronix
Model	475
Category	Test Equipment
Language	English