A23 LED Board
Tools Required
n
T-10
TORX screwdriver
n
T-15
TORX screwdriver
n
small slot screwdriver
n
ESD (electrostatic discharge) grounding wrist strap
n
5/16-inch
open-end torque wrench (set to 10 in-lb)
Removal
1. Disconnect the power cord and remove the bottom cover (refer to “Covers”
in this chapter).
2. Remove the front panel (refer to
“Front
Panel Assembly” in this chapter).
3. Remove the
A22
test port coupler (refer to
“A21,
A22
Test
Port
Couplers” in
this chapter).
4. Disconnect
W33
from the LED board (A23).
5. Remove the screw (item 1) from the front of the test set deck.
6.
Remove the LED board
(A23).
Replacement
1. Reverse the order of the removal procedure.
1452
Assembly Replacement and Pest-Repair Procedures
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