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Spindle motor does not move
Motor no move
Check the FFC connection
between 24P and the loader.
Check whether " A+5V"
(+5V) voltage is normal.
Check whether laser voltage
(2V for VCD & 2.2V for DVD)
on Collector of Q5 and Q6
hether
W
components are eroded or
badly soldered.
Check/Replace the loader
Go
Yes
Yes
Yes
peripheral
Yes
No focus
Yes
4-1
No
Correct connection
No
Check the A+5V power
supply
No
Check/Replace Q5、Q6
No
Check/ Replace U3.
No
1.
Check U3 43pin FCO signals
2.
If there are F+, F-, T+ and T-
signals output from U4.
Trouble shooting chart
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