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7. CIRCUIT DIAGRAM
1
1
2
2
3
3
Audio SUB SYSTEM
A
A
+VPWR
B
B
C510
0.01u
LINE_OP
C511
0.01u
LINE_ON
C514
220n
A3
RCV_P
MINP
R508
1
VREG_MSMP_2.6V
C515
220n
B3
RCV_N
MINN
R510
1
EUSY0336601
C516
220n
A5
HPH_R
RIN
C517
220n
B4
HPH_L
LIN
C518
4.7u
A4
BYPASS
C
C
D3
VDDI2C
D4
AUDIO_I2C_SDA
SDA
E5
AUDIO_I2C_SCL
SCL
C519
0.1u
D
D
E
E
MIC
FB503
MIC_1P
MIC501
1
O
2
G1
3
MIC_1N
G2
4
VMIC_BIAS
P
F
F
SPM0204HE5-PB-3
G
G
H
H
1
1
2
2
3
3
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4
4
5
5
6
6
SPKR_P
SPKR_N
D5
LS+
SPKR_P
B5
LS-
SPKR_N
FB501
D1
HPL
HSL
U503
FB502
LM49100GR
E1
HPR
HSR
E3
GNDS
VREG_HP_AMP_2.6V
D2
VDDHP
A1
VDDCP
AGND
C520
C521
0.1u
4.7u
VREG_MSMP_2.6V
VREG_MMC_3.0V
MicroSD Socket
MMC_DATA[1]
MMC_DATA[0]
MMC_CLK
MMC_CMD
MMC_DATA[3]
MMC_DATA[2]
MMC_CD
R533
10K
4
4
5
5
6
6
7
7
8
8
9
9
LCD BACKLIGHT CHARGE PUMP
+VPWR
CN511
1
2
VREG_MSMP_2.6V
C503
VREG_MSMP_2.6V
4.7u
C504
1u
C506
1u
C509
1u
TP501
C512
LCD_BL_EN
BL_I2C_SDA
1u
BL_I2C_SCL
TP504
PROX_LEDON
PROX_EN_N
PROX_OUT
Motion Sensor
ENSY0021001
EUSY0345201
AXA463062P
S501
DAT1_2
VREG_MSMP_2.6V
VREG_MSMP_2.6V
DUMMY1
DAT0
VSS
CLK
VDD
CMD
CD_DAT3
DUMMY2
C531
DAT2
0.1u
U506
BMA150
DETECT_A
1
10
DETECT_B
NC1
NC2
2
9
DUMMY3
VDD
VDDIO
3
8
GND
SDI
GND
TP502
4
7
MOTION_INT
INT
SDO
5
6
CSB
SCK
MMC_CD
S/W
LOW
Close
HIGH (detect)
Open
7
7
8
8
9
9
- 171 -
10
10
11
11
12
12
LGE Internal Use Only
B5
B4
VBATCP
VOUT
WLED_PWR
F4
VBAT1
E1
D2
VBATLDO
LED1
WLED1
C2
LED2
WLED2
C505
A5
C1
2.2u
C3P
LED3
WLED3
A4
B1
luminance Sensor
C3N
LED4
WLED4
B6
B2
C2P
LED5
WLED5
C6
A2
EUSY0343701
C2N
LEDFL
C5
U502
C1P
D6
F5
C1N
SBIAS
BD6095GUL
F3
SSENS
E6
VIO
NC2
E4
7
GC1
NC1
VCC
C4
E3
4
3
RESETB
GC2
GC1
GND
D4
5
2
SDA
GC2
IOUT
D5
6
1
SCL
F2
U501
BH1600FVC
R509
LDO1O
A3
E2
CPGND
LDO2O
120K
E5
D1
SGND
WPWMIN
B3
D3
LEDGND
FLASHCNT
Proximity Sensor
EUSY0358201
VREG_MSMP_2.6V
C524
C525
2.2u
0.1u
U505
APDS-9700
R534
10
1
8
LEDON
VCC
2
7
R519
10
ENB
LEDA
3
6
DOUT
PFILT
PROX_ADC
4
5
GND
PD
PGND
9
C526
3300p
TOUCH SCREEN CONNECTOR
CN501
R527
100ohm
1
TOUCH_X1XR
R528
100ohm
2
TOUCH_Y2YU
R529
100ohm
VREG_MSMP_2.6V
3
TOUCH_X2XL
R530
100ohm
4
TOUCH_Y1YD
C530
0.1u
MOTION_I2C_SDA
MOTION_I2C_SCL
AUDIO & MicorSD & SIM
10
10
11
11
12
12
LGE Internal Use Only
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
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Troubleshooting
