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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
C229
3p
DNI
D201
J201
C11
C10
C12
C9
C7
C3
C6
C2
C5
C1
VCC
GND1
RST
VPP
CLK
IO
GND2
GND5
GND3
GND4
D202
DNI
0
R219
KB202
KB203
KB204
KB205
VDD_IO_1V8
R220
0
LD206
VBAT
R262
0
C260
DNI_ECTH0002703
LD204
R208
0
200K
R238
FB201 220
R231
100K
VRTC
KB206
U205
33
82
27
26
13
25
11
01
24
23
13
22
92
21
20
14
12
7
2
9
5
32
19
18
17
8
03
6
16
4
3
15
1
1T
U
O
AUD1
VIN
3T
U
O
AUD2
1
D
N
G
L
C
S
2
D
EL
MIC
CAP
RES
DSS
4T
U
O
3
D
EL
2T
U
O
1
D
EL
DP
U2
UID
D+
A
D
S
D-
\T
NI
VBUS1
VBUS2
4
D
EL
DN
VBAT1
U1
VBAT2
EXPDET
2
D
N
G
D
N
G
P
KB207
KB208
KB209
KB210
LD203
KB211
KB212
KB213
KB214
KB215
KB216
R253
10
LD202
MIC201
2
1
VA206
R278
100n
VA207
VBAT
VA208
C232
DNI
C256
DNI
C228
0.1uF
VSIM_PWR
4.7Kohms
R232
27p
C226
C234
6.8p
VSIM_PWR
C219
2.2u
22pF
C227
VSIM_PWR
C235
3.9p
C259
1u
LD205
VA203
R229
DNI
CN202
15
13
11
9
7
5
4
3
2
1
14
12
10
8
6
10
L201
VA210
SC201
1
R265 100
VA211
VA212
C261
33p
33p
C262
VA209
FB202 220
R256
DNI
VAUX_2V85
LD201
1u
C218
R223
10K
VBAT
VDD_IO_1V8
VA204
R209
0
VB201
2
1
C217
DNI
C265
33p
R212
100Kohms
33p
C266
R243
560
C267
33p
33p
C268
VUSB_CHG_IN
R270 100
R245
560
560
R246
R247
560
10K
R224
10K
R225
2.2K
R216
R218
0
C255
1u
R221
300Kohms
DSS
VAUX_2V85
3V1_TORCH
560
R248
0
R263
VBAT
R251
10
R264 100
C230
27p
VA215
FB204
0
C206
39pF
L203
100n
C211
39pF
R275
27n
39pF
C212
VA202
KB217
R276
27n
1u
C251
R266 100
C214
1u
CN204
SUSY0028904
EMS1812TPB4P
2
1
R277
27n
R267 100
VUSB_CHG_IN
R268 100
R269 100
R271 100
R272 100
R273 100
R274
27n
VA205
VA213
VA214
33p
C269
C263
33p
33p
C264
CN201
3
2
1
39pF
C222
C223
0.033uF
39pF
C225
C220
39pF
VA201
R226
2.2Kohms
R222
1Kohms
VMIC_BIAS_P
100ohms
R228
100ohms
R227
C215
DNI
C224
39pF
10u
C233
0.033uF
C221
C208
1u
KB218
KB219
KB220
KB201
560
R244
C270
33p
KEY_BACKLIGHT
I2C_SDA
I2C_SCL
VIB_P
SIM_DATA_1
SIM_CLK_1
SIM_RST_1
END_KEY
UART_TX
UART_RX
1
D
EL
M
EAR_R
EAR_L
2
D
EL
M
MAIN_MIC_N
MAIN_MIC_P
ABB_INT_N
MUIC_ACC_ID
MUIC_ACC_ID
KEY_IN0
KEY_IN2
KEY_OUT4
D
EL
_
Y
E
K
KEY_LED
MUIC_IO_P
MUIC_IO_P
MUIC_IO_M
MUIC_IO_M
KEY_IN3
KEY_OUT3
KEY_OUT2
RCV_IN_P
RCV_IN_P
RCV_IN_N
RCV_IN_N
SPK_P
SPK_N
HS_MIC
KEY_OUT1
KEY_IN4
KEY_IN1
BAT_TEMP
DOWN
MENU
5
8
SEND
END
RIGHT
3
VIBRATOR
6
#
LEFT
SEL
0
BATTERY CONNECTOR
(1%)
(1%)
(2012)
7
4
KEY BACKLIGHT
9
Mini ABB
*
Shield can
SIM_CONNECTOR_1
KEY MATRIX
1
UP
2
Line Width: 2mm
m
m2
:ht
di
W
eni
L
4-5-1-1
(VBUS_USB)
( USB & TA & UART )
(1608)
5PIN CONNECTOR
4-2-3-1_Normal
(2.2uF 10% 6.3V X5R 1608)
ECZH0001421
5-2-2-1
MIC
( Contact Type )