86A-16
V1
MR-453-X79-86A000$100.mif
RADIO
Fault finding chart
86A
ALP 3
CONTINUED 1
Check for earth on connection MT of
component 261.
Is the earth correct?
If the wiring is faulty and there is a
repair procedure (see Technical
Note 6015A, Electrical wiring
repair, Wiring: Precautions for
repair), repair the wiring, otherwise
replace the wiring.
Is the resistance between
3 and 5 ohms?
Check the speaker
concerned using a
multimeter.
Is the speaker short-
circuited?
Replace the radio (see
MR 451, Mechanical, 86A,
Radio, Radio: Removal -
Refitting).
Check the continuity of connection
MT of component 261.
Is the continuity correct?
Replace the faulty speaker
(see MR 451, Mechanical, 86A,
Radio, Front speakers:
Removal - Refitting or Tweeter:
Removal - Refitting).
If the wiring is faulty and there is a
repair procedure (see Technical
Note 6015A, Electrical wiring
repair, Wiring: Precautions for
repair), repair the wiring, otherwise
replace the wiring.
A
D
B C
NO
NO
YES
YES
YES
YES
NO
E
NO
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