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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
R206
27
VA207
21
2
A
V
75
2
C
u7.
4
OBM-410L44-RC1882
SUMY0003816
MIC200
2
1
1u
C208
C249
100u
C254
0.1u
CN204
4
3
2
1
C251
0.1u
01
2
C
u1.
0
1800
FB206
1800
FB207
u1.
0
90
2
C
02
21
2
R
11
2
R
02
VBAT
IC200
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
C204
10u
CN203
ENZY0030401
KQ03LV-3R
3
2
1
D1
D2
C206
1u
C247
3.3p
C219
2.2u
C222
2.2u
C224
0.1u
C212
2.2u
VDD_IO_1V8
C213
2.2u
C211
2.2u
C216
47p
C217
47p
VA208
U201
EUSY0250501
NCS2200SQ2T2G
2
3
1
4
5
VCC
VIN-
OUT
VIN+
GND
11
2
A
V
CN201
ENRY0009601
GU074-5P-SD-E1500
11
10
9
5
4
3
2
1
8
7
6
R215
0
47p
C234
100p
C236
R205
27
47p
C237
U200
EAN61833301
LP8727
C5
D2
B5
D3
D1
E1
E2
E3
E5
E4
A1
C1
B1
A4
A5
A3
A2
D5
4
D
4
C
3
C
2
C
2
B
3
B
4
B
L
C
S
A
D
S
¬
¡
T
N
I
1
D
N
G
2
D
N
G
3
D
N
G
4
D
N
G
BATT2
DN
DP
U1
U2
AUD1
AUD2
MIC
VBUS1
VBUS2
D-
D+
ID
RES
DSS
EXPDET
CAP
BATT1
10K
R210
VDD_IO_1V8
2.2u
C201
15p
C250
R230
10
R227
51K
100K
R231
VDD_IO_1V8
VA213
ICVL0518050FR
SEVY0005101
VBAT
C246
4.7u
VBUS_USB
Q200
EQFP0000101
2SJ347
2
3
1
G
D
S
KB215
C230
0.1u
VA209
VA210
CN202
SUSY0024806
BRS-1643P08-P
2
1
470
R232
KB220
470
R229
470
R225
470
R224
VA205
15p
C248
VDD_IO_1V8
R219
1Mohms
R222
390K
100
R241
24
2
R
K2.
2
KB208
R235
2.2K
VMAIN_MIC
p9
3
55
2
C
R234
1K
R238
100
p9
3
85
2
C
65
2
C
p9
3
R245
0
0
R216
KB203
KB213
KB219
L202
82n
82n
L201
VA206
FB201
1800
1800
FB204
R207
2.2K
KB205
KB210
KB212
KB217
KB218
KB209
KB214
KB216
KB211
KB207
1u
C215
1u
C214
VBAT
VBUS_USB
0.1UF
C227
KB206
KB204
KB201
KB202
KB200
R223
470
470
R233
470
R236
470
R237
470
R239
470
R240
VRTC
R226
100
R228
100K
C239
1n
FB205
1800
0.1u
C207
R217
1K
10n
C221
00
2
DZ
EDTY0010101
ESD9B5_0ST5G
R200
1M
C203
27p
10n
C220
R202
100K
VDD_IO_1V8
R209
DNI
C223
22n
VHS_MIC
s
mh
o
K5.
1
31
2
R
R208
DNI
L200
100n
22n
C226
C200
1n
VA200
SEVY0003601
R214
2.2Kohms
1800
FB202
2.2uF
C218
C225
DNI
R204
10
1800
FB200
100
R220
1800
FB203
VA202
SEVY0003601
100K
R221
VA201
J200
KJA-PH-3-0176
EAG62831701
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
EDTY0010101
ZD201
0.1u
C205
C228
1u
22pF
C232
22pF
C229
UART_RX
UART_TX
PWRON
VUSB_LDO_4V9
HS_MIC_P
BAT_TEMP
I2C_SDA
I2C_SDA
I2C_SCL
I2C_SCL
MUIC_ACC_ID
MUIC_ACC_ID
MAIN_MIC_N
MAIN_MIC_P
HS_GND
HS_GND
HS_GND
HS_L
ABB_INT_N
HS_MIC_N
HS_R
KEY_OUT[0]
KEY_OUT[1]
KEY_OUT[2]
HS_JACK_DET
HS_OUT_R
HS_OUT_R
HS_HOOK_DET
KEY_IN[4]
KEY_IN[3]
KEY_IN[2]
KEY_IN[1]
KEY_IN[0]
KEY_OUT[3]
SPK_P
SPK_P
HS_OUT_L
HS_OUT_L
FM_ANT
KEY_IN[5]
USB_DM
USB_DP
MUIC_IO_M
MUIC_IO_M
MUIC_IO_P
MUIC_IO_P
SPK_N
SPK_N
KEY MATRIX
AUDIO SUBSYSTEM
2
UP
1
*
9
(1%)
(1%)
(1%)
4
7
0
OK
LEFT
#
m
m2
:ht
di
W
eni
L
TEST RES added
6
3
RIGHT
SEND
8
5
MENU
DOWN
SPK
(3216)
BACK
POWER ON KEY
MICROPHONE
ep
yt t
re
snI
3.5phi JACK
BATTERY CONNECTOR
Mini ABB
5PIN CONNECTOR
Line Width: 2mm