TM 11-5820-890-30-4
4-73. REPLACEMENT OF REMOTE CONTROL TRANSFORMER CCA.
Tools:
Cross tip screwdriver
Torque screwdriver
Soldering kit
Flat tip screwdriver
Expendable Supplies:
Cotton swabs
Solder
Alcohol
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting adapter
Set on work surface with back toward
you .
b. 20 captive screws (8)
Using flat tip screwdriver, fully loosen 20
See figure 4-14.
captive screws securing heatsink assem-
bly (11) to power supply cover (17).
c. Screw (9) and
Using cross tip screwdriver, remove and
flat washer
retain screw (9) and flat washer securing
heatsink assembly (11) to audio amplifier
chassis (3).
d. Screw (10)
Using flat tip screwdriver, remove and
retain screw (10) securing heatsink as-
sembly (11) to audio amplifier chassis (3).
e. Heatsink assembly (11)
Lay heatsink assembly (11) on its fins.
CAUTION
f. Remote control trans-
former CCA (27)
g. Wires
Carefully lay on fins to
ensure casting does not
rest on components inside
power supply cover.
Using cross tip screwdriver, remove and
See figure 4-22.
retain screw (28), Iockwasher, and flat
washer securing center of remote control
transformer CCA to power supply cover.
Using cross tip screwdriver, remove and
retain two screws (29) and Iockwashers
securing W3 cable and ends of remote
control transformer CCA to power supply
cover.
Using soldering kit, tag and desolder wires
from terminals on defective remote control
transformer CCA (27). Remove and discard
defective remote control transformer CCA.
4-193
