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CHASSIS ELECTRICAL - Radio and Tape Plaver
A-5
There is more noise either on AM or on FM.
1. There is much noise onlv on AM
Due to differences in AM and FM systems, AM
is more susceptible to noise interference.
Were conditions such as the following present when noise was received?
Lightning was flashing. A motorcycle was passing.
l
l
large amount of noise radiation.
Passed beneath a power line. Passed under a bridge.
l
Passed beneath a telephone line.
l
Passed close by a signal generator.
l
Passed close by some other source of electrical noise.
l
Continue to check for static; whe
the conditions listed above
No
t
If the problem is particularly worse than
other radios, consult a service center.
2. There is much noise only on FM
Due to differences in FM and AM systems, FM
is not as susceptible as AM to interference from
engines, power lines, lightning, etc. On the other
hand, there are cases due to the characteristics
of FM waves of noise or distortion generated
Yes
TSB Revision
Yes
problem is particularly worse than other radios, consult
a service center.
by typical noise interference (first fading and
multipath). (Refer to A-2) <Noise (hissing) oc-
curs in weak signal areas such as mountainous
regions, but this is not due to a problem with
the radio.>
difficult. If the
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