LG GDR-8161B Service Manual page 50

IC201
3.3VD
3.3VA
1.5V
PG701
53
54
55
56
58
3.3VA
5V
FE
22
109
Focus
FD
servo
119
CTL1
59
u-COM
CTL2
60
IC501
3.3VD
5
6 3.3VA
IC502
Vo
1.5V
5V
12V
IC201(109) : 2 V/div DC
IC201(119) : 2 V/div DC
IC301(34) : 2 V/div DC
IC301(35) : 2 V/div DC
400 us/div
IC101
FE Gen.
VHALF
29
27
38
41
Mute
CONT.
25
IC301
5V
12V
PG101
A
57
10 10
B
60
9 9
C
59 15 15
D
58
14 14
FOP
34 1 1
FON
35 2 2
400 us/div
Pickup unit
D A
C B
Photo detector
Focus actuater
IC201(109) : 500 mV/div AC
IC201(119) : 500 mV/div AC
IC301(34) : 500 mV/div AC
IC301(35) : 500 mV/div AC