DVD-S657/DV-S5860
DVD-S657/DV-S5860
17
D
Is audio signal normal ?
No
Is output signal
correct ?
Check circuit of filter,
amplifier, and mute etc.
Check AKM4382A and its
periperal circuit
No
No
Yes
Does AKM4382A
receive correct data ?
Check connection between
MT1389 and AKM4382A
Yes
Are TSOP2236,
FL display and Key function
OK ?
No
No
Do TSOP2236
and uPD16312 communicate
with MT1389 ?
Check connection between
MT1389 and uPD16312 and
their periperal circuit
Yes
Check Remote Control
Check KEY matrix
Check connection of FL display
Yes
END
Yes
Board
Ref
Name
DISPLAY
7100
uPD16312
DISPLAY
7102
TSOP2236
MONO
7111
MM1646
MONO
7112
MT1389
AV
7234
AK4382A
A
V Board
DISPLA
Y Board
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
