PRINTED CIRCUIT BOARD DIAGRAM
(TOP VIEW)
3-9
3-10
CIRCUIT VOLTAGE CHART
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
PIN NO.
STOP
PLAY
CE39
+
1.51
1.51
-
-0.1
-0.1
CE40
+
2.05
2.05
-
0.43
0.43
CE47
+
3.23
3.23
-
0
0
CE49
+
7.99
7.99
-
0
0
CE50
+
5.02
5.02
-
0
0
CE51
+
3.24
3.24
-
2.58
2.58
CE52
+
1.91
1.91
-
0.44
0.44
CE53
+
3.28
3.28
-
2.59
2.59
CE54
+
1.18
1.18
-
0.44
0.44
CE55
+
3.26
3.26
-
2.59
2.59
CE56
+
1.18
1.18
-
0.44
0.44
C84
+
3.58
3.58
-
0.21
0.21
Q1
Emitter
3.3
3.3
Collector
0.01
0.01
Base
3.3
3.3
Q29
Emitter
0.5
0.5
Collector
3.24
3.24
Base
1.18
1.18
Q30
Emitter
0.49
0.49
Collector
3.27
3.27
Base
1.18
1.18
PIN NO.
STOP
PLAY
Q31
Emitter
0.49
0.49
Collector
3.26
3.26
Base
1.18
1.18
Q32
Emitter
1.01
1.01
Collector
1.02
1.02
Base
0.51
0.51
Q33
Emitter
0
0
Collector
0.04
0.04
Base
0.64
0.64
U8(NJM3414A)
1
0.42
0.42
2
0
0
3
0
0
4
-11.59
-11.59
5
0.42
0.42
6
0.42
0.42
7
0.42
0.42
8
5.02
5.02
U9(SS9969)
1
8
8
2
0
0
3
5.02
5.02
U10(SS6608)
1
3.18
3.18
2
0
0
3
1.26
1.26
4
3.22
3.22
5
3.22
3.22
U11(SSPT4105)
1
1.02
1.02
2
4.98
4.98
3
4.98
4.98
4
4.98
4.98
5
3.63
3.63
6
3.63
3.63
7
0.2
0.2
8
0.2
0.2
(BOTTOM VIEW)
