LG HT503TH Service Manual page 25

5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)
FOO
F+
F-
6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION)
DVD MDI
DVDLDO501
CDLDO
LGE Internal Use Only
FIG 5-1
FIG 6-1
1
1
2
3
2
3
1
1
2
3
3 2
IC501
2-16 Copyright © 2008 LG Electronics. Inc. All right reserved.
IC501
IC501
Only for training and service purposes