Mitsubishi Electric 55624R(S)-MF Service Manual page 134

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Noise is often created by the following factors, and
often the radio is OK when it is checked individually.
l Traveling conditions of the vehicle
l Terrain of area traveled through
l Surrounding buildings
l Signal conditions
l Time period
B. RADIO
B-l 1 No sound.
Is the key switch of the vehicle in the correct
position (ACC or ON)?
I
Yes
Is the radio switched ON?
With electronic volume control press a few
seconds in the "up" direction to check.
No
Is the connector at the back of the radio
connected properly?
I
Yes
Is the power voltage for the connector
(both ACC and BATT)?
Yes
Repair or replace radio.
For this reason, if there are still problem with noise
even after the measures described in steps A-l to
factors listed above as well as determining whether
t h e p r o b l e m o c c u r s w i t h A M o r F M , t h e statjon
names, frequencies, etc., and contact a servrce
center.
No
Yes
Does the problem clear up with fuse
the back of the radio disconnected?
Harness is snagged, or other electrical
parts are faulty.
TSB Revision
Perform the correct operation.
Perform the correct operation.
Connect connector securely.
Repair harness.
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