4. TROUBLE SHOOTING
- 13 -
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
0
2
6
C
u
2
.
2
U600
3
D
1
C
2
E
2
A
C2
B2
B4
A4
B3
E1
A3
D1
A1
C3
B1
E4
E3
C4
4
D
2
D
D
D
V
P
H
D
D
V
P
S
IN3-
OUT+
OUT-
HPL
IN3+
HPR
CP
IN1+
CN
IN1-
IN2+
IN2-
SDA
SCL
S
AI
B
D
D
V
P
C
S
S
V
P
C
D
N
G
C636
0.1u
0.1u
C605
u
2
.
2
1
2
6
C
2.2u
C614
u
2
.
2
2
2
6
C
10u
C604
+VPWR_AUDIO
C603
2.2u
VREG_HPVDD_1.8V
33n
C613
R610 K7.
4
R609 K7.
4
VREG_MSMP_2.6V
33n
C612
FB601
600
FB602
600
C608
1n
470n
C611
C610
470n
10
R608
C609
1n
10
R607
RCV_N
RCV_P
HPH_R
HPH_L
AUDIO_I2C_SCL
AUDIO_I2C_SDA
SPK_RCV-
EAR_L
EAR_R
LINE_ON
LINE_OP
+VPWR_AUDIO
Audio SUB SYSTEM
TP1,2
TP602
R630
47
HS_MIC_BIAS_TEMP
R628
DNI
C637
DNI
50
6
R
K2.
2
R629
47K
HS_MIC_BIAS
1800
FB606
C617
33p
2.2u
C606
1800
FB603
C607
33p
C615
47p
1n
C618
SC600
1
21
6
R
K0
1
J600
2
3
4
5
6
1 M5
M4
M3
M4F
M1
M6
11
6
R
K0
1
FB605
1800
Q600
D
G
S
00
6
D
20
6
D
30
6
D
C616
47p
10
6
D
40
6
R
M1
C619
22p
40
6
D
270n
L600
VREG_MSMP_2.6V
1800
FB604
30
6
R
K1
60
6
R
K0
01
EAR_SENSE
EAR_L
EAR_R
EARMIC_P
HOOK_ADC
FM_ANT
3.5pi EAR JACK
HIGH
LOW(DEFAULT)
STATE
UNMATING
EAR_SENSE
MATING
ENJE0008001
TP3
TP4