Only For Training And Service Purposes - LG GM310 Service Manual

3.13.3 Headset circuit
2 V
J A C K _ D E T E C T
H S _ 3 5 . _ R
H S _ 3 5 . _ L
E A R _ G N D
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

3 5 . p i h H
6 2 _ V O I
R 1 9 9
0
L 1 0 2 1 0 0 n H F B 1 0 1
L 1 0 3 1 0 0 n H
F B 1 0 2
C 1 0 2 C 1 0 3
2 7 0 p 2 7 0 p
2 V 6 2 _ V O I
R 1 1 2
U 1 0 1
N C S 2 2 0 0 S Q 2 T 2 G 1 M
5
4
I V - N
R 1 1 3
1 V C C
H O O K _ D E T E C T
O U T 3
G N D V N I +
4 7
2
C 1 0 7 R 1 1 4
2 2 0 K
1 2 0 p
2 V
C 1 0 8
5 6 0 p
C 1 0 9 2 2 n
H S _ M C I _ N
C 1 1 0
1 0 p
C 1 1 1 2 2 n
H S _ M C I _ P
C 1 1 2
5 6 0 p
[Figure 3.13.3-1] Headset circuit diagram
GM310f service manual
E A D S E T
M 6 _ G N D
M 1 _ R
A S S S I T
M 3 _ D E T E C T
M 4 _ L
M 5 _ M C I
E V L C 5 S 0 2 1 0 0
E V L C 5 S 0 E 2 V 1 L 0 C 0 5 S E 0 2 V 1 L 0 C 0 5 S 0 2 1 0 0
5 _ V A U D B
R 1 1 5
1 5 . K
R 1 1 6 2 2 . K
C 1 1 3
1 0 u
- 45 -
3. BB Circuit Technical brief
C 1 9 9 1 0 0 0 p L 1 9 9 1 0 0 n H
F M _ A N T
E A R _ G N D
J 1 0 1
LGE Internal Use Only