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QQ
3 7 63 1515 0
Is Focus on OK ?
Is Spindle on OK ?
TE
L 13942296513
Is Track on OK ?
Is disc ready ?
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.
http://www.xiaoyu163.com
B
No
Yes
No
Yes
No
Yes
No
x
ao
u163
y
Yes
i
B
http://www.xiaoyu163.com
8
Is any signal
on pins A,B,C,D,E,F of
MT1389 turned ON ?
Yes
Check MT1389 and its peripheral
circuit.
Is DMO
(pin 37 of MT1389)
normal ?
Yes
Are signals
SP+ (pin 2 of 1201)
& SP- (pin 1 of 1201)
correct ?
Yes
Q Q
3
6 7
1 3
Check connection between
spindle and AM5888.
Is signal TRO
(pin 41 of MT1389)
normal ?
Yes
Are signals
T+ (pin 16 of AM5888)
& T- (pin 15 of AM5888)
correct ?
Yes
Check connection between
Optical Pick Up and AM5888.
Check cable and circuit between
DVD mechanism and MT1389.
.
2 9
9 4
2 8
No
Check circuit between Optical
Pick Up and MT1389.
No
Check MT1389 and its
peripheral circuit.
No
Check AM5888 and its
peripheral circuit.
1 5
0 5
8
2 9
9 4
Check connection between
No
MT1389 (pin41) and AM5888
(pin26).
No
Check AM5888 and its
peripheral circuit.
m
co
DVD-S30
9 9
2 8
9 9
19
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