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CHASSIS ELECTRICAL
A-4
Broadcasts can be heard but both AM and FM have a lot of noise.
Noise occurs when the engine is stopped.
Yes
Do the following measures eliminate the noise?
@ Tune to a station with a strong signal.
Extend the antenna completely. (Whip antenna)
l
Adjust the sound quality to suppress high tones.
l
No
Is the radio body ground mounted securely?
Yes
Yes
Yes
NOTE
About noise encountered during FM reception only.
Due to differences in FM and AM systems, FM is
not as susceptible as AM to interference from en-
gines, power lines, lightning, etc. On the other hand,
there are cases due to the characteristics of FM
waves of noise or distortion generated by typical
If there is more noise than other radios, consult a service
center
TSB Revision
Noise occurs when the engine in running.
Securely tighten the nuts for the body
ground.
Clean the antenna plug and ground
wire mounting area. Mount the anten-
na securely. On a vehicle with a motor
antenna, check the antenna itself. (Re-
fer to E-1, 2.)
noise interference (first fading and multipath). (Refer
to A-2.)
as mountainous regions, but this is not due to a
problem with the radio.>
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