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MAINTENANCE
CONCERNING
TRANSISTORS
(a)
Avoid locations subject to direct sunlight.
(b)
Avoid high or low temperature extremes.
(c)
Keep the receiver away from heat radiating sources.
PROTECTION
CIRCUIT
The newly developed protection circuit is completely effective and
prevents damage which may be caused by short-circuiting at the speaker
outputs or the electrical overloading point.
When a short-circuit occurs,
this protection circuit will function automatically to protect the power
Output transistors.
The program sound will be heard off and on inter-
mittently about every four seconds.
{f this occurs, there is no fear of
damage to the power
output transistors.
Just switch
off the supply
line and check the speaker connections.
ACOUSTIC
FEEDBACK
12
POWER
FUSE
NOTE:
Always disconnect power supply before replacing a fuse.
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