Philips DVP6600 Service Manual page 14

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 Q5 and Q6
I
1.Whether voltage on pin 112 of
U2varies between 0 and 3.3V (3.3V
for VCD and 0V for DVD),
2.Whether peripheral components
are eroded or badly soldered.
Have no to focus
Check/Replace the loader
Go
Yes
Yes
Yes
Yes
Yes
4-1
No
Correct connection
No
Check
supply
No
Check/Replace Q6 Q5.
No
Check/ Replace Q3,Q4
1. Check U2 6pin RFO signals
No
2.If there are F+, F-, T+ and T-
signals output from U3.
Trouble shooting chart
the AVCC power