Tektronix TDS6404, Service Manual, Page: 196 / 252

Removal and Installation Procedures
6- 46
TDS6000 Series Service Manual
1. Locate module to be removed: Locate the PPC (Power PC) processor board
assembly in the locator diagram Internal Modules , Figure 6--8, on
page 6--19. Additional modules to be removed:
H
Trim (all)
H
Bottom cover
H
Left and Right covers
H
Hard Disk and CDROM--RW
H
Floppy Disk Drive
H
NLX Board
H
Front, Rear Power Distribution and PA Bus Boards
2. Orient the oscilloscope: Set the oscilloscope 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--27, on page 6--47.
a. Disconnect the J190 and J690 ribbon cables and cables J130 and J170
from the PPC processor board.
b.
Remove the nine T-15 Torxdrive screws securing the PPC processor to
the chassis support.
c. Remove the five T-15 Torxdrive screws securing the PPC processor
board assembly to the rear chassis.
d. Remove the board and bracket.
4. Remove the PPC processor board bracket: See Figure 6--27, on page 6--47.
a. Remove the two
3
/
16
nut posts that secure the RS-232 connector to the
rear of the support bracket.
b. Remove the two
5
/
16
nut posts that secure the sub-D connector to the rear
of the support bracket.
c. Remove the two phillips screws that secure the PCMCIA (Personal card,
memory card interface adapter) to the PC processor board. Remove the
PCMCIA and bracket from the PPC processor board.
5. Reinstallation: Do in reverse steps 3 and 4 to reinstall the PPC processor
board assembly.
PPC Processor Board