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TM 11-5820-890-30-5
4-57. REPLACEMENT OF RESISTOR R1.
Tools:
Flat tip screwdriver
Cross tip screwdriver
Torque screwdriver
Soldering kit
Expendable Supplies:
Solder
Alcohol
Cotton swabs
References:
Paragraph 4-52 for removal and installation of 1-Watt Audio Amplifier CCA (5A2).
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting adapter
Set on work surface with right side
toward you.
b. Access cover (1)
Remove and retain access cover (1).
See figure 4-14. Refer to
paragraph 4-52 for access
cover removal procedures.
c. Wires
Using soldering kit, tag and desolder
See figure 4-16
wires from defective resistor R1 (6).
d. Resistor R1 (6)
Using cross tip screwdriver, remove
and retain two screws (7) and lock-
washers securing resistor to audio
amplifier chassis (10). Remove and
discard defective resistor R1.
INSTALLATION
e. Resistor R1 (6)
f. Wires
Position replacement resistor R1 on
chassis. Using cross tip screwdriver,
install two retained screws (7) and
Iockwashers securing resistor R1 (6)
to chassis (10).
Using soldering kit, solder tagged wires
to correct terminals on replacement
resistor R1 (6). Remove wire tags.
These were removed in
step d.
These were removed in
step c.
Before and after soldering,
clean wires and terminals
with alcohol and cotton
swabs.
g.
Access cover (1)
Install.
See figure 4-14.
These were removed in
step b. Refer to paragraph
4-52 for access cover
installation procedures.
4-166
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