Tektronix DSA8200 Series, Service Manual

Page: 111 / 196

Removal and Installation Procedures
DSA8200 Digital Serial Analyzer and Modules Service Manual
4--53
1. Locate module to be removed: Locate the Front Panel board in the locator
diagram
Internal Modules
, Figure 4--8, page 4--20. Additional modules to be
removed:
1
Trim
1
Bottom cover
1
Left and Right covers
1
CD-RW/DVD and Hard Drive mounting frame
1
ATX Board Assembly
CAUTION.
The microprocessor is susceptible to static-discharge damage. Service
this component only in a static-free environment. Observe standard handling
precautions for static-sensitive devices while servicing the chassis. Always wear
a grounded wrist and foot straps while servicing the microprocessor, ATX or
processor boards.
2.
Remove the microprocessor:
See Figure 4--32, page 4--54.
a. Disconnect the CPU fan (J1F1) power cable from the ATX board.
b. Using a Phillips screw driver, completely loosen the four heatsink
retaining screws.
c.
Lift the fan/heatsink assembly off of the ATX board.
d. Lift the microprocessor socket locking lever out and then upward.
Remove the microprocessor.
3. Reinstallation: To reinstall the microprocessor to the ATX board as follows:
a.
Install the microprocessor in the socket.
b.
Lower and secure the socket locking lever.
c.
Make sure the fan/heatsink assembly is positioned with the fan cable
toward the outer edge of the circuit board.
d.
Tighten the four heatsink retaining screws.
e.
Connect the CPU fan (J1F1) power cable from the ATX board.
Microprocessor