LG -S310 Service Manual page 164

7. CIRCUIT DIAGRAM
16 15 14
L
K
AUDIO SUBSYSTEM
J
I
H
AUD_I2C_SCL
AUD_I2C_SDA
G
F
E
D
VBAT
C
VIBRATOR
B
A
16 15 14
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
13 12 11 10
VBAT
C500
C501
0.1u
2.2u
FM_AUDIO_R C5 FB502 220
OUT+
D5
FM_AUDIO_L FB503 220
OUT-
C506 1u C2
IN1-
HS_L
C507 1u C1
IN1+
HS_R
A2
IC500 HPL FB504 1000
C508 1u D2 A1
IN2- HPR FB505 1000
SPK_N WM9093ECS-R
C509 1u D1
SPK_P IN2+
EUSY0403901
D3
IN3-
C3 B5
IN3+ CPVDD
A3
CPVSS
A4
CP
A5
CN
C514 2.2u
C515 C516
2.2u
2.2u
1V8_AMP
Vibrator
VB500
1
2
13 12 11 10
9 8 7 6
SPK/RCV Dualmode Circuit
RCV_SPK_OUT_P
RCV_SPK_OUT_N
RCV_SPK_OUT_P
RCV_SPK_OUT_N
HS_OUT_L
HS_OUT_R
RCV & SPK_MODE PATH SWITCH
(In case of, Seperate Tranducer, for MTK & IFX )
AVDD_2V8
U500
C522
0.1u
SPK_N
DG2735DN-T1-E3
1 10
SPK_P
V+ NO2
2 9
NO1 COM2 RCV_SPK_P
3 8
RCV_SPK_N COM1 IN2
4 7
AUD_RCV_SPK_SEL IN1 NC2 RCV_P
5 6
NC1 GND
EUSY0347001
RCV_N
9 8 7 6
- 165 -
5 4 3 2 1
Receiver Circuit
CN500
SPK500
FB500 1800 1
RCV_P
2
RCV_N FB501 1800
SPK501
Headset Mic : Single to Differential
C517
27p
C518 0.1u
HP_MIC_N
C519
C520 R504
2.2u
2.2K
39p
ECCH0000198
(2.2uF,6.3V,10%,1005)
HP_MIC_P
C521 0.1u HS_MIC_P
C523 C524
27p 120p
5 4 3 2 1
L
K
J
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H
G
F
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D
C
B
A
LGE Internal Use Only