Philips DVP3320 Service Manual page 13

Spindle motor does not move
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Motor no move
Go
Check the FFC connection
between 24P and the loader.
Yes
Check whether "RFA5V"
(+5V) voltage is normal.
Yes
Check whether laser voltage
(2.3V for DVD & 1.9V for CD)
on Collector of Q4 and Q5
Yes
1.Whether voltage on pin 97 of U2
varies between 0 and 3.3V (3.3V for
CD and 0V for DVD),
2.Whether peripheral components
are eroded or badly soldered.
Yes
Have no focus
Yes
Check/Replace the loader
UserManuals.info
5-1
No
Correct connection
No
Check the RFA5V power
supply
No
Check/Replace Q4 Q5.
No
Check/ Replace U2.
1. Check U2 pin89 FOCUS_PWM
No
signals
2.If there are F+, F-, T+ and T-
signals output from U4.
FOCUS_PWN waveform
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