Rear Panel Assembly
Tools
Required
n
T-10
TORX screwdriver
n
T-15
TORX screwdriver
n
ESD (electrostatic discharge) grounding wrist strap
Removal
1. Disconnect the power cord and remove the top (item 1) and bottom covers
(refer to “Covers” in this chapter).
2. Remove the four rear standoffs (item 2).
3. If the
anaiyzer
has option
lD5,
remove the BNC jumper from the high
stability frequency reference (item 3).
4. Remove the four screws (item 5) that attach the interface bracket to the
rear panel.
5. Remove the six screws (item 6) and (item
7),
that attach the
preregulator
to
the rear panel.
6. Remove the six screws (item 8) from the rear frame: two from the top edge
and four from the bottom edge.
7. Remove the screw from the pc (item 9) board
stabiiizer
and remove the
stabilizer.
8. Lift the reference board (A12) from its motherboard connector and
disconnect the flexible RF cable from its connector on
Al2
(item 10)
9. Identify the wiring harness leading to the VGA connector (item 4).
Follow
this harness back to its connection on the motherboard. The air flow cover,
attached by two screws,
wiII
have to be removed to get to this connection.
Disconnect the VGA wire harness at this point.
14-l
6 Assembly
Replawment
and Post-Repair Procedures
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