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 TM 55-1905-220-14-9
4-47.1. AMPLIFIER/LOUDSPEAKER- MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
To eliminate injury or possible shock, tag and place the circuit
breaker in the OFF position.
INSPECTION
1. Amplifier/
a. Amplifier
1. Inspect for missing
loud-
or defective lamps,
speaker
knobs, and switches.
2. Inspect for proper
Refer to Direct
sound reproduction.
Support Mainte-
nance.
3. Inspect for signs
of faulty operation.
b. Loudspeaker
Inspect for proper
sound reproduction.
c.
Power
1. Inspect for signs
speaker
of damage.
2. Inspect for proper
sound reproduction.
TEST
2. System
Operate system.
REPAIR
3. Loud-
a. Loudspeaker
Replace.
If necessary.
Speakers
(1)
and power
horns
b. Power horn
Replace.
If necessary.
(2)
c.
Replace.
If necessary.
(3)
d. Control
Replace.
If necessary.
(L-pad) (4)
4-1182
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