Philips DVP 5980, Руководство по обслуживанию, Страница: 12 / 45

4-1
Spindle motor does not move
Yes
Yes
No
No
No
No
Yes
Check whether “AVCC”
(+5V) voltage is normal.
Correct connection
Check the AVCC power
supply
Check/Replace Q15 ǃ Q14.
Check/ Replace U5.
Have no focus
1. Check U5 42pin FOO signals
2.If there are F+, F-, T+ and T-
signals output from U6.
Check/Replace the loader
Yes
Yes
No
Go
Check whether laser voltage
(2V for VCD & 2.2V for DVD)
on Collector of Q15 and Q14
Check the FFC connection
between 24P and the loader.
1.Whether voltage on pin 112 of
U5 varies between 0 and 3.3V
(3.3V for VCD and 0V for DVD),
2.Whether peripheral components
are eroded or badly soldered.
Trouble shooting chart
Motor no move