Page 410 - Workshop Manual - Aumark (BJ1051)
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Diagnosis-audio system
(b) Use a multimeter to measure resistance to
ground of connector pin 4 of audio unit
B045.
Resistance: >1MΩ
Is check result normal?
4 Yes > Replace CD and MP3 audio units.
No > Replace fuse F15 (10A) and repair line to ground short between the fuse and connector pin 4
of audio unit B045.
3. Checking fuse of audio unit
(a) Disconnect audio unit connector.
Notice:
Take care not to drop audio unit.
(b) Use a multimeter to measure resistance to
ground of connector pin 3 of audio unit
B045.
Resistance: >1MΩ
Is check result normal?
Yes > Replace CD and MP3 audio units.
No > Replace fuse F6 (15A) and repair line to ground short between the fuse and connector pin 3
of audio unit B045.
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