Yamaha DVD-S540 Service Manual page 20

DVD-S540/DV-S5650
QQ
3 7 63 1515 0
C
Track on OK ?
Yes
Disk is READY ?
TE
L 13942296513
Yes
Audio signal is normal ?
Yes
TSOP2236,
FL display and Key
fuction OK ?
www
Yes
.
END
20
http://www.xiaoyu163.com
No
(pin 21 of MT1336E)
Signal TRSO
(pin13 of MT1379BE)
T+ (TP3) & T- (TP14)
Check the connection
between Optical Pick Up and
BA5954
No
Check RF Signal
No
AKM4382A receive
correct data ?
Output signal is
Check the circuit of
filter, amplifier, and mute
etc.
No
uPD16312GB communicate
with MT1379BE
Check Remote Control
Check KEY matrix
x ao u163
Check connection of FL display
y
i
http://www.xiaoyu163.com
2 9
8
Signal TEO
No
normal ?
Yes
No
normal ?
Yes
Signa l
No
normal ?
Yes
Q Q
3 6 7 1 3 1 5
No
Yes
No
correct ?
Yes
TSOP2236,
No
OK ?
Yes
co
.
9 4 2 8
Check MT1336E and its
peripheral circuit.
Check the connection
between MT1379BE (pin 13)
and MT1336E (pin 26)
Check BA5954 and its
peripheral circuit.
0 5 8 2 9 9 4 2 8
Check connection between
MT1379BE and AKM4382A
Check AKM4382A
and its periperal circuit
Check connection between
MT1379BE and uPD16312GB
and its periperal circuit
m
Board Ref Name
DISPLAY 7100 uPD16312GB
DISPLAY 7101 TSOP2236
MONO 7602 MT1336E
MONO 7603 BA5954
MONO 7606 MT1379BE
MONO 7615 AKM4382A
9 9
9 9