I Turn abnormal
Disc doesn't turn
Normal
Yes
No
Yes
No
No
Yes
No
Yes
Check if voltge of SP+ of SP- of XS
4
are different.
Check connection of mechanism.
Check if voltage of 11 and 12 pin of
D001 are different.
Check connections between BA5954 and XS
4
Check BA5954 and peripheral components.
Check if voltage of 16 pin of D2 is noraml.
Check connections between 16 pin of MT1389
and 4,27 pin of BA5954.
Check MT1389 and peripheral components.
Check if data signal of 5,23
pin of D001 is normal.
Check connections between D001 pins 5,23
and MT1389 pin 18,19.
Check D2 and peripheral components.
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