
4-1
Spindle motor does not move
Yes
Yes
No
No
No
No
Yes
Check whether “RFA5V”
(+5V) voltage is normal.
Correct connection
Check the RFA5V power
supply
Check/Replace Q7
ǃ
Q8.
Check/ Replace U1.
Have no to focus
1. Check U1 42pin FOO signals
2. If there are F+, F-, T+ and T-
signals output from U2.
Check/Replace the loader
Yes
Yes
No
Go
Check whether laser voltage
(2V for VCD & 2.2V for DVD)
on Collector of Q7 and Q8
Check the FFC connection
between 24P and the loader.
1. Whether voltage on pin 44 of U1
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
All manuals and user guides at all-guides.com
all-guides.com
Содержание DVP3110
Страница 24: ...6 4 6 4 Power Board Print Layout Bottom Side All manuals and user guides at all guides com ...
Страница 29: ...6 9 6 9 Main Board Print Layout Top Side All manuals and user guides at all guides com ...
Страница 30: ...6 10 6 10 Main Board Print Layout Bottom Side All manuals and user guides at all guides com ...