Removal and Installation Procedures
6-52
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
1. Locate module to be removed: Replacement of this board must be performed
by a Tektronix Service Center. Locate the PPC (Power PC) processor board
assembly in the locator diagram Internal Modules, Figure 6--8, on
page 6--21. Additional modules to be removed:
CAUTION. This board should only be replaced by Tektronix.
H Trim (all)
H Bottom cover
H Left and Right covers
H Hard Disk and CD Drive
H Floppy Disk Drive
H Micro ATX assembly
H Rear Power Distribution and PA Bus Boards
2. Orient the instrument: Set the instrument so its bottom is down on the work
surface and its top panel is facing you.
3. Remove the PC processor board assembly: See Figure 6--36, on page 6--55.
a. Disconnect the J205 connector from the Bridge board. See Figure 6--34,
on page 6--53.
b. Disconnect the J150, J290, J291, and J390 connectors from the P PC
board.
PPC Processor Board
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