Read Sharp VC-MH85 (serv.man4) Service Manual online
50
VC-MH705HM/LM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
VC-MH815HM/LM,MH85HM
VC-MH715HM,MH835HM
YES
YES
NO
Is there signal at pin (100) of IC201?.
Are there MH-AA
harness and the PB
AMP
peripheral parts normal?
No linear sound playback (E-E mode is possible)
NO
Is the azimuth height of
A/C head properly
adjusted?
Check the
AUDIO MUTE (H) line between
pin (99) of IC201 and pin (81) of IC701.
NO
Is there "L" level at pin (99) of IC201.
Is there signal at pin (1
1) of IC201.
YES
YES
Replace IC201.
Clean A/C
head.
Replace A/C
head.
Replace IC201.
Re-adjust azimuth.
NO
YES
YES
YES
YES
PA
L
E
P
ONL
Y
Are there signal at pin(1) of
IC601?
YES
NO
Hi-Fi model ONL
Y
Is there audio signal inputted at
and pin(62) of IC651.
Check line between pin(1
1) of IC201
and pin(62) of IC651.
FLOW CHART NO.25 LINEAR SOUND MODE TROUBLESHOOTING(2)
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