LG FFH-M217X Service Manual page 19

READING OK CHECK (= "NO DISC" DISPLAY)
CONNECTOR LOCKING
CHECK(PN501,PN503)
DOES SLED MOVE ?
DOES LENSE MOVE ?
(= UP & DOWN)
DOES LASER LIGHT ?
DOES SPINDLE ROTATE ?
IS READING OK ?
A
CHECK PN503 PIN 3,4( SL+,SL-)
B
CHECK PN501 PIN 13,16
( FA-, FA+)
C
CHECK PN503 PIN 10( LD )
D
CHECK PN503 PIN
5,6( SP+,SP-)
E
CHECK PN501 PIN 14,15
(TA-, TA+)
- 2-12 -
DEFECTIVE PICKUP OR
IC503 OR IC501 OR IC502
DEFECTIVE PICKUP OR
IC503 OR IC501
DEFECTIVE PICKUP OR
IC502
DEFECTIVE PICKUP OR
IC503
DEFECTIVE PICKUP OR
IC503 OR IC501 OR IC502