LG LM-U360 Service Manual page 33

I READING OK CHECK (= "NO DISC" DISPLAY)
CONNECTOR LOCKING
CHECK(PN801,PN802)
DOES SLED MOVE ?
DOES LENSE MOVE ?
(= UP & DOWN)
DOES LASER LIGHT ?
DOES SPINDLE ROTATE ?
IS READING OK ?
A
CHECK PN802
PIN 3,4( SL+,SL-)
B
CHECK PN801
PIN 13,16 ( FA+,FA-)
C
CHECK PN801 PIN 10( LD )
D
CHECK PN802
PIN 5,6( SP+,SP-)
E
CHECK PN801
PIN 14,15 (TA+,TA-)
- 2-26 -
DEFECTIVE PICKUP OR
IC802 OR IC801
DEFECTIVE PICKUP OR
IC802 OR IC801
DEFECTIVE PICKUP OR
IC801
DEFECTIVE PICKUP OR
IC802 OR IC801
DEFECTIVE PICKUP OR
IC802 OR IC801