Yamaha DVD-E600 - Page 12

12
DVD-E600
DVD-E600
A
Does the tray
automatically close when
it is open?
Are Signals TROUT
(Pin 48 of MT1336E) and
TRIN (Pin 47 of MT1336E)
correct ?
Are Signals
TRCLOSE & TROPEN
correct ?
Are Signals
LOAD+ & LOAD-
correct ?
Check the position-switch
on the DVD mechanism
Check the circuit between
MT1336E and BA5954
Check BA5954 and peripheral
No
No
No
Yes
Yes
No
Yes
Signal
STBY (Pin 28 of BA5954) is
high level ?
Check the STBY circuit
Signal FMSO
(Pin 23 of BA5954) is more
than 1.4V ?
Signal SL+
(Pin 17 of BA5954) & SL-
(Pin 18 of BA5954)
correct ?
Check the copper trace or
cable connect to DVD mechanism
Check the FMSO circuit
Check the BA5954
No
No
Yes
No
Yes
Yes
No
Yes
Yes
Does
the Optical Pick Up move to find
a disc ?
Has
FOSO (Pin 1 of BA5954)
any signal ?
1. Check the signal from
MT1379BE to BA5954;
2. Maybe MT1379BE is not
working
Signal
F+ (TP13) & F- (TP14)
correct ?
Check the peripheral
circuit of BA5954
Check the cable and
circuit between DVD mechanism
and BA5954
No
No
Yes
Yes
No
Yes
B
Check the circuits connecting
to the DVD mechanism
Board Ref Name
MONO 7602 MT1336E
MONO 7603 BA5954
MONO 7606 MT1379BE
Dose Sled
automatically move to
inside when it is in
outside
MONO Board