Removal and Installation Procedures
6--42
TDS5000B Series Service Manual
1. Locate module to be removed: Locate the motherboard in the locator diagram
Internal Modules, Figure 6--6, on page 6--19. Note the location of cables and
cable connectors see Figure 6--16 on page 6--32. Additional modules to be
removed:
H Trim (all)
H Bottom cover
H Left and Right covers
H Power Supply
2. Orient the oscilloscope: Set the oscilloscope so the bottom is down on the
work surface and the top panel is facing you.
3. Remove the motherboard assembly: See Figure 6--23, on page 6--44.
NOTE. The motherboard and rear chassis is removed as one assembly.
a. Remove the four T-15 Torxdrive screws that secure the power cord
retainers, the pouch bracket, and motherboard assembly to the side of the
chassis.
b. Remove the two bottom feet from the chassis of the motherboard
assembly.
NOTE. You only need to separately remove the two bottom feet if you plan to
replace the sheet metal and reuse the feet. Also, if you do plan to replace the
sheet metal, then remember that it has stickers with important information on it
such as the serial #, option label and safety data.
c. Remove the two jack screws that secure the VGA connector to the
bracket.
d. Disconnect the three cables from the motherboard assembly.
e. Disconnect the GPIB cable from the PC interface board.
f. Carefully lift the assembly out of the chassis.
4. Orient the motherboard assembly: Set the motherboard assembly so the
bottom is down on the work surface and the connector panel is facing you.
5. Remove the motherboard from the rear chassis:
a. Remove the six jack screws that secure the motherboard connectors to
the connector panel of the rear chassis.
Motherboard
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