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7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VA505
10n
C557
U504
5
3
2
4
1
VOUT
VIN
GND
STBY
D
N
G
P
2.2u
C559
1u
C558
VREG_MOTOR_3.3V
+VPWR
VREG_MOTOR_3.3V
VREG_HPVDD_1.8V
100K
R526
FB501
120
1
0
5
D
3
0
5
D
4
0
5
D
J501
2
3
6
5
4
1
M5_MIC
M4_L
M3_DETECT
ASSIST
M1_R
M6_GND
VREG_MSMP_2.6V
VA501
ANT501
C-CLIP_GR700
FEED
C521
47n
ANT500
C-CLIP_GR700
FEED
K
0
2
2
0
4
5
R
VA502
VA506
47n
C520
51K
R500
VA503VA504
51K
R501
1K
R502
R503
680
150K
R505
150K
R504
1u
C500
0.1u
C501
33p
C503
K
2
.
2
6
0
5
R
J500
5
1
6
2
7
3
8
4
9
10
GND2
GND1
RESERVED1
RESERVED2
CLK
I_O
RST
VPP
VCC
GND
CN502
6
5
7
4
8
3
9
2
10
1
G1
G2
G3
G4
100
R531
VREG_HS_MIC_1.8V
47p
C560
2
0
5
D
33n
C504
R507
1K
C505
33n
C506
47p
C508
10u
C509
39p
C562
33p
6
3
5
R
K
0
0
2
100
R508
C510
DNI
C563
15p
C561
47p
5
0
5
D
270n
L503
DNI
C564
100
R509
MIC_BIAS
MIC500
2
1
2.2K
R510
FB504
FB502
FB503
10K
R538
10K
R537
100
R539
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
LGE Internal Use Only
+VPWR
2.2u
C512
2.2u
C513
C514
1u
C515
39p
10u
C516
2.2u
C517
1u
C518
C519
1u
IC500
3
B
A4
C3
C2
2
B
D1
D3
4
D
C1
A1
D2
1
B
D5
A2
A5
A3
B5
4
B
C5
4
C
D
N
G
OUT+
D
D
V
P
H
CPVDD
CPVSS
CN
HPL
OUT-
S
AI
B
IN2-
HPR
IN1+
D
D
V
S
IN3-
IN2+
A
D
S
IN1-
IN3+
CP
L
C
S
2.2u
C522
2.2u
C523
K
7
.
4
1
1
5
R
K
7
.
4
2
1
5
R
VREG_MSMP_2.6V
10
R513
R514
10
U501
B2
C1
A1
B1
B3
C2
A3
C3
IN-
VDD
IN+
VO+
_SHUTDOWN
VO-
BYPASS
GND
+VPWR
C524
22p
22p
C525
22p
C526
0.1u
C527
10p
C528
15K
R515
C529
10u
VREG_MMC_3.0V
VREG_RUIM_3.0V
VREG_RUIM_3.0V
D500
4
3
5
2
6
1
U502
5
3
2
4
1
VOUT
VIN
GND
STBY
D
N
G
P
26MHz
X500
TG-5010LH-87N
4
2
3
1
NC
OUT
GND
VCC
2.2u
C530
0.1u
C531
0.1u
C532
K
0
0
1
6
1
5
R
0
7
1
5
R
0.1u
C533
+VPWR
10u
C534
4.7u
C535
L500
100n
10u
C536
4.7u
C537
VREG_MSMP_2.6V
VREG_MSMP_2.6V
2.2u
C538
33p
C539
C540
4.7u
C541
4.7u
C542
0.1u
0.1u
C543
C544
DNI
C545
1n
9
2
5
R
I
N
D
VREG_MSMP_2.6V
3.3u
L501
C547
1u
VDD_TCXO
VDD_TCXO
1n
C548
+VPWR
1u
C549
1u
C550
U503
0
3
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
2
9
1
8
1
7
1
6
1
31
32
15
14
33
34
13
35
12
36
11
37
10
38
9
39
8
40
7
6
41
5
4
42
43
3
44
2
45
1
6
4
7
4
8
4
9
4
0
5
1
5
2
5
3
5
4
5
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
B
_
E
K
A
W
_
T
S
O
H
_
L
W
D
X
T
_
T
R
A
U
_
T
B
N
_
S
T
C
_
T
R
A
U
_
T
B
N
_
S
T
R
_
T
R
A
U
_
T
B
D
X
R
_
T
R
A
U
_
T
B
ANT
BT_PCM_CLK
GND5
BT_PCM_OUT
VDD_WL_PA
BT_PCM_SYNC
BT_PCM_IN
SDIO_CMD
SDIO_CLK
VDD_BT_PA
SDIO_D3
SDIO_D2
S_CLK_IN
SDIO_D1
GND6
SDIO_D0
FM_ANT
WL_RST_N
BT_GPIO_0
WL_WAKE_B
BT_GPIO_1
REG_ON
BT_GPIO_3
VBAT_IN
BT_GPIO_4
BT_GPIO_7
SR_VLX1
SR_VLX1BB
F_CLK_IN
F_CLK_OUT
B
B
2
X
L
V
_
R
S
B
B
T
U
O
V
_
R
S
OI
D
D
V
U
P
_
L
A
T
X
D
S
_
OI
D
D
V
T
U
O
_
2
P
1
_
GI
D
T
U
O
_
2
P
1
_
G
L
N
A
O
D
L
V
2
P
1
_
NI
V
T
U
O
_
2
O
D
L
N
L
A
D
S
_
T
B
L
C
S
_
T
B
1
OI
D
U
A
2
OI
D
U
A
N
_
T
S
R
_
T
B
7
D
N
G
VREG_MSMP_2.6V
4.7u
L502
CN504
11
10
12
9
13
8
14
7
15
6
16
5
17
4
18
3
19
2
20
1
1u
C551
1u
C552
0
2
8
1
5
R
0
2
9
1
5
R
u
1
.
0
3
5
5
C
u
1
.
0
4
5
5
C
47p
C555
47p
C556
1
R520
1
R521
EAR_GND
EAR_GND|GND
KEY_ROW[1]
KEY_ROW[0]
KEY_COL[2]
LINE_ON
AUDIO_I2C_SCL
AUDIO_I2C_SDA
MMC_DATA[3]
MMC_DATA[0]
MMC_DATA[1]
MMC_DATA[2]
MMC_CD
RCV_P
MMC_CMD
MMC_CLK
BT_HOST_WAKEUP
P
U
E
K
A
W
_
T
S
O
H
_
N
A
L
W
BT_WAKEUP
WLAN_REG_ON
BT_PCM_SYNC
BT_PCM_CLK
BT_RESET_N
LINE_OP
RCV_N
HPH_R
HPH_L
SLEEP_CLK
BT_PCM_DIN
D
X
R
_
T
R
A
U
_
T
B
D
X
T
_
T
R
A
U
_
T
B
S
T
C
_
T
R
A
U
_
T
B
S
T
R
_
T
R
A
U
_
T
B
BT_PCM_DOUT
HOOK_ADC|HS_MIC
HS_MIC
MIC_1P
KPD_DRV_N
SIM_RST
SIM_RST
VCOIN
SIM_CLK
SIM_CLK
SIM_IO
SIM_IO
CLK_REQ
CLK_REQ
RF_IN_OUT
RF_IN_OUT
CLK_IN
CLK_IN
FM_ANT
FM_ANT
SPK_RCV-
SPK_RCV-
FM_L
FM_R
VIB_P
VIB_P
VIB_M
VIB_M
MIC_1N
KPD_PWR_N
WLAN_CLK
WLAN_CMD
WLAN_SDIO[3]
WLAN_SDIO[2]
WLAN_SDIO[1]
WLAN_SDIO[0]
VIB_PWM
MOTOR_LDO_EN
WLAN_RESET_N
WLAN_WAKEUP
MMC_COVER_DETECT
EAR_R
EAR_R
EAR_L
EAR_L
EAR_SENSE
MOTOR 3.3V LDO
3.5 EAR_JACK
HIGH
LOW(DEFAULT)
STATE
UNMATING
EAR_SENSE
MATING
1%
1%
1%
MOTOR DRIVER
TCXO LDO
Wi-Fi&BT&FM MODULE
26MHz TCXO
Audio SUB SYSTEM
MICROPHONE
USIM Socket
1%
Main2Touch B2B
1%
1%
Main2Sub B2B