Mitsubishi Electric 55624R(S)-MF Service Manual page 125

CHART
A. NOISE
A-l 1 Noise appears at certain places when traveling
Is there a particular structure?
I
Find out the following information from
1. Place
2. Locality conditions (valley, moun-
tain, etc.)
3. Name and frequency of stations
affected by noise
If due to vehicle noise:
It may not be possible to prevent noise
if the signal is weak.
Inspect the vehicle's noise suppressor
No
If there is more noise than other radios, find out the
receiving stations from the user, and consult with
TSB Revision
(AM).
the noise?
1. Change to a different station with a
strong signal to boost resistance to
interference.
2. Suppress high tones to reduce
noise.
3. Extend antenna completely.
I
N o I
If due to external noise:
In almost all cases, prevention on the
receiver side is impossible.
Weak signals especially are susceptible
to interference.
I
Yes
OK