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Single Differential AMP for SPEAKER
R250
SPK_P
RCV_P
C203
39pF
RCV_N
C207
C208
VA200
R251
SPK_N
4.7n
4.7n
ECCH0000151
SEVY0003901
5.5 V, ,SMD ,480pF, 1005
SIM_CONNECTOR_1
VSIM1
VSIM1
VSIM1
J200
C5
C1
GND1
VCC
C6
C2
VPP
RST
C7
C3
SIM_DATA_1
IO
CLK
C12
C9
C223
GND5
GND2
C11
C10
1u
GND4
GND3
KEY MATRIX
KB200
R257
END_KEY
330
END
VA204
DNI
KB201
KB202
1
2
R258
KEY_OUT1
330
VA205
DNI
KB206
KB207
5
4
R259
KEY_OUT2
330
VA206
DNI
KB211
KB212
8
7
R260
330
KEY_OUT3
VA207
DNI
KB216
KB217
*
0
R261
330
KEY_OUT4
VA208
DNI
R262
330
KEY_IN0
R263
330
KEY_IN1
R264
330
KEY_IN2
R265
330
KEY_IN3
R266
330
KEY_IN4
LGE Internal Use Only
CN201
1
2
R218
MAIN_MIC_P
100ohms
( Contact Type )
SEMTECH
R219
MAIN_MIC_N
Diode,TVS
100ohms
VA201
EDTY0012501
VA228
VA227
SIM_CONNECTOR_2
VSIM2
VSIM2
SIM_RST_1
SIM_CLK_1
SIM_DATA_2
KEY BACKLIGHT
KB203
KB204
KB205
3
LEFT
MENU
KB208
KB209
KB210
VBAT
6
UP
SEL
KB213
KB214
KB215
R231
C230
330
9
RIGHT
SEND
1u
LD200
KB218
KB219
#
DOWN
M_KEY_LED1
VA215
DNI
MIC
VMIC_BIAS_P
R213
1Kohms
C215
C216
R217
10u
39pF
2.2Kohms
ECCH0005604
C217
(10 uF,6.3V ,M ,X5R ,TC ,1608 ,R/TP)
0.033uF
L202
27n
C218
B4010AL443-49
L203
27n
2
39pF
SUMY0003815
1
C219
MIC200
0.033uF
VA202
VA203
R220
C220
C221
2.2Kohms
39pF
39pF
A275 : Mount
A270 : Not mount
VSIM2
J201
C5
C1
GND1
VCC
C6
C2
SIM_RST_2
VPP
RST
C7
C3
SIM_CLK_2
IO
CLK
C12
C9
GND5
GND2
C229
C11
C10
GND4
GND3
DNI
TP200
R232
R233
R234
330
330
330
LD201
LD202
LD203
M_KEY_LED2
VA214
DNI
- 93 -
7. CIRCUIT DIAGRAM
CHARGER IC
VBUS_USB
VBAT
VIO28
VBUS_LDO_4V9
U201
11
PGND
1
10
VIN
BATT
2
9
ISET
PGB
3
8
GND1
CHGSB
4
7
LDO
GND2
5
6
IEOC
EN_SET
C239
C240
EUSY0410801
(10V)
C241
0.1u
RT9524
1u
1u
(25V)
(10V)
1%
5PIN CONNECTOR
( USB & TA & UART )
VBUS_USB
CN291
6
8
10
12
Line Width: 2mm
1
2
UART1_RX
3
C244
C233
UART1_TX
ACC_ID
4
DNI
DNI
5
(0.1uF,25V,X7R,1608)
VA220
VA221
VA222
7
C243
9
DNI
DNI
22p
DNI
11
13
VA
BATTERY CONNECTOR
VIBRATOR
VIO28
R524
240K
(1%)
R543
BAT_TEMP
VIB_P
1K
C590
C508
39p
0.1u
VBAT
D2
3
2
1
D1
C509
C510
C511
CN290
R270
C242
ZD501
22u
33p
6.8p
5.6p
DNI_TCTAL1A107M8R
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R254
100K
CHG_EOC
CHG_EN
R237
10
VB200
R238
10
L201
1
1
2
C231
C232
47n
1u
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