Tektronix TDS7054, Service Manual

Page: 174 / 254

Removal and Installation Procedures
6--20
TDS7104 & TDS7054 Service Manual
Procedures for Outer-Chassis Modules
You should have completed the
Procedures for External Modules
before doing
many of the procedures in this collection. The procedures found here are listed in
disassembly order:
H
Front Panel Assembly
H
Front Panel Board
H
Front Panel Keypad
H
Display Assembly
H
Display Adapter Board
H
On/Standby Switch Flex Circuit
H
Floppy Disk Drive
H
Hard Disk Drive
H
CD Drive
H
Fan Assembly
H
Front and Rear Power Distribution Boards (PA Bus Board)
H
Low-Voltage Power Supply
H N
LX Battery
H
NLX Board
H
Microprocessor
H
PPC Battery
H
Power PC Board
H
Acquisition Board
1. Locate module to be removed: Locate the Front-panel assembly in
Figure 6--9, on page 6--21. Additional modules to be removed:
H
Trim (Front panel)
2. Remove the Front-Panel assembly: See Figure 6--9, on page 6--21.
3. Orient the oscilloscope: Set the oscilloscope so its bottom is down on the
work surface and its front panel is facing you.
Front Panel Assembly