Removal and Installation Procedures
6-- 20
TDS7104 & TDS7054 Service Manual
Procedures for Outer-Chassis M odules
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 NLX 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
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