LG HT502PH Service Manual page 43

5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)
6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION)
LGE Internal Use Only
FIG 5-1
FIG 6-1
Copyright © 2007 LG Electronics. Inc. All right reserved.
3-14
FOO(1.5V/1.4V/1.3V)
(IC501 PIN 208)
F+(4.0V/3.6V/3.2V)
(IC401 PIN 13)
F-(4.0V/3.6V/3.2V)
(IC401 PIN 14)
DVD MDI(0V/180mV)
(IC501 PIN 188)
DVDLDO501(5.0V//3.5V)
(IC501 PIN 185)
CDLDO(5.0V/3.6V)
(IC501 PIN 186)
Only for training and service purposes