Mitsubishi Electric 55624R(S)-MF Service Manual page 135

from one speaker.
Check to see if there is any sound when
the radio fader and balance knobs are
centered.
Check to see if there any sound when
IS
attached to another radio.
No
Remove the connector on the back of
the radio and check the speaker harness
for conductance.*'
No
Check the speaker for conductance.*'
No
Crackle
crackle
Yes
Yes
*'Conductance check method 1
( 1 ) R e m o v e 9P and 5P connectors from radio.
connector
(2) Insert test Drobe into connector terminal.
(Concerning speaker connector, refer to P.54-113, 115,
Crackle
crackle
Determination
*'Conductance check method 2
(2) Insert the test probe into the connector terminal.
(3) Refer the results to the above chart.
Tester:
It conducts electricity but is
shorted out.,
Repair speaker harness and ensure
tors.
and 123.)
Check result
Malfunction
Normal
Speaker crackles. When there is
I
I
er harness.
Malfunction