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TM 11-5820-890-30-5
4-74. REPLACEMENT OF POWER SUPPLY HEATSINK. Continued
ITEM
ACTION
REMARKS
REMOVAL Continued
h. Resistor R1 (6)
i.
Transistor Q1 (3)
j.
Connector J9 (8)
k. 2-Wire dual transient
protection CCA (8)
l.
Remote control
transformer CCA (27)
m. Connector J11 (9)
n. Connector J10 (6)
o. Solder lug terminal (12)
p. Power supply
q. Terminal block TB1 (17)
r. Connector P1 (4)
s. Gasket
Using soldering kit, tag and desolder wire
from R1-2.
Remove and retain.
Remove and retain.
Using soldering kit, tag and desolder wires
from E1, E2, E5, E6, E13, and E14.
Using cross tip screwdriver, remove and
retain three screws, Iockwashers, and flat
washers securing remote control trans-
former to power supply cover.
Remove protective cap (10) from connector
J11 (9). Using socket wrench and 1-1/16-
inch socket, remove and retain hex nut
(11) and protective cap retainer securing
connector J11 to heatsink assembly (1).
Remove protective cap (7) from connector
J10 (6). Using socket wrench and 1-1/16-
inch socket, remove and retain hex nut
(8) and protective cap retainer securing
connector J10 to heatsink assembly (1).
Using cross tip screwdriver, remove and
retain screw (13), flat washer, and lock-
washer securing solder lug terminal (12)
with ground wires to heatsink assembly (1).
Remove and retain.
Using cross tip screwdriver, remove and
retain four screws (18) and flat washers
securing terminal block TB1 (17) to heat-
sink assembly (1).
Using flat tip screwdriver, remove and
retain four screws (5) securing connector
P1 to power supply chassis. Remove and
discard defective power supply chassis.
Inspect gasket on power supply cover
and replace as required.
See figure 4-16.
See figure 4-15. Refer to
paragraph 4-53 for removal
procedures.
See figure 4-15. Refer to
paragraph 4-54 for removal
procedures.
See figure 4-16.
See figure 4-22.
Refer to paragraph 4-51
for removal procedures.
See figure 4-22.
4-196
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