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Spindle motor does not move
Motor no move
Check the FFC connection
between 24P and the loader.
Check whether "AVCC"
(+5V) voltage is normal.
Check whether laser voltage
(2V for VCD & 2.2V for DVD)
on Collector of Q6 and Q5
1. Whether voltage on pin 112 of U2
varies between 0 and 3.3V (3.3V for
VCD and 0V for DVD),
2. Whether peripheral components
are eroded or badly soldered.
Have no focus
Check/Replace the loader
Go
Yes
Yes
Yes
Yes
Yes
4-11
Remark: Trouble shooting chart for
No
Correct connection
No
Check
supply
No
Check/Replace Q6 Q5.
No
Check/ Replace U2.
1.
Check U2 42pin FOO signals
No
2. If there are F+, F-, T+ and T-
signals output from U3.
Trouble shooting chart
DVP5166K/XX, DVP5168K/XX
the
AVCC
power
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