I Turn abnormal
Disc doesn't turn
Normal
Yes
No
Yes
No
No
Yes
No
Yes
Check if voltge of SP+ of SP- of XS002
are different.
Check connection of mechanism.
Check if voltage of 11 and 12 pin of
D001 are different.
Check connections between BA5954 and XS002
Check BA5954 and peripheral components.
Check if voltage of 16 pin of D003 is noraml.
Check connections between 16 pin of D2890
and 4,27 pin of BA5954.
Check D2890 and peripheral components.
Check if data signal of 5,23
pin of D001 is normal.
Check connections between D001 pins 5,23
and d004 pin 18,19.
Check d004 and peripheral components.