20
DVD-S540/DV-S5650
DVD-S540
DV-S5650
C
Track on OK ?
No
Signal TRSO
(pin13 of MT1379BE)
normal ?
Check the connection
between Optical Pick Up and
BA5954
Check the connection
between MT1379BE (pin 13)
and MT1336E (pin 26)
No
No
Yes
Signal TEO
(pin 21 of MT1336E)
normal ?
Check MT1336E and its
peripheral circuit.
Yes
Signa l
T+ (TP3) & T- (TP14)
normal ?
No
Yes
Yes
Check BA5954 and its
peripheral circuit.
Disk is READY ?
Check RF Signal
No
Audio signal is normal ?
No
Output signal is
correct ?
Check the circuit of
filter, amplifier, and mute
etc.
Check AKM4382A
and its periperal circuit
No
No
Yes
AKM4382A receive
correct data ?
Check connection between
MT1379BE and AKM4382A
Yes
Yes
No
No
TSOP2236,
uPD16312GB communicate
with MT1379BE
OK ?
Check connection between
MT1379BE and uPD16312GB
and its periperal circuit
Check Remote Control
Check KEY matrix
Check connection of FL display
Yes
END
Yes
Board
Ref
Name
DISPLAY
7100
uPD16312GB
DISPLAY
7101
TSOP2236
MONO
7602
MT1336E
MONO
7603
BA5954
MONO
7606
MT1379BE
MONO
7615
AKM4382A
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299