LG LG-A270 - Page 93

- 93 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
VA216
DNI
C511
DNI_TCTAL1A107M8R
DNI
VA219
R252
1K
VA200
R244 1
C243
22p
R250
R251
C223
1u
C244
DNI
DNI
VA217
C242
22u
DNI
C229
VA205
DNI
DNI
VA206
VA225
DNI DNI
VA226
VA207
DNI
DNI
C233
R253
3K
VA218
DNI
C232
1u
DNI
VA223
VA224
DNI
DNI
VA208
VA215
DNI
100K
R254
VBAT
U201
RT9524
EUSY0410801
65
74
83
92
101
11
PGND
VIN BATT
ISET PGB
GND1 CHGSB
LDO GND2
IEOC EN_SET
C240
1u
VBUS_USB
VBUS_LDO_4V9
R225
DNI
R237 10
VA220
DNI
10R238
KB201 KB202 KB203 KB204
VBAT
330
R232
LD203
KB205
KB206 KB207 KB208 KB209
LD202
KB210
KB211 KB212 KB213 KB214 KB215
LD201
SUMY0003815
B4010AL443-49
MIC200
2
1
DNI
VA214
VSIM1
R226
DNI
VSIM1
DNI
R227
VSIM1
VSIM2
DNI
VA221
VSIM2
VA204
DNI
0.1u
C239
C241
1u
VA203
VSIM2
VIO28
VA202
LD200
R255
DNI
J201
C11 C10
C12 C9
C7 C3
C6 C2
C5 C1
VCCGND1
RSTVPP
CLKIO
GND2GND5
GND3GND4
L201 1
DNI
R222
R223
DNI
R229
DNI
DNIR230
R228
DNI
VA
R257
330
330
R258
VA222
DNI
330
R259
R260 330
330R261
R256 220K
R262 330
330R263
R264 330
330R265
R266 330
VIO28
C510
5.6p
ZD501
VBAT
5.5 V, ,SMD ,480pF, 1005
SEVY0003901
VA201
R543
1K
39p
C508
R233
330
C207
ECCH0000151
4.7n
C203
39pF
VB200
2
1
VA227
EDTY0012501
Diode,TVS
SEMTECH
VA228
TP200
KB216
1u
C230
VBUS_USB
R234
330
10u
C215
39pF
C218
C219
0.033uF
C221
39pF
C216
39pF
R217
2.2Kohms
R213
1Kohms
VMIC_BIAS_P
100ohms
R219
R218
100ohms
2.2Kohms
R220
47n
C231
R270
33p
C220
39pF
0.033uF
C217
KB217 KB218 KB219
KB200
330
R231
240K
R524
0.1u
C590
L202 27n
27nL203
CN291
13
11
9
7
5
4
3
2
1
12
10
8
6
4.7n
C208
CN290
3
2
1
D1
D2
J200
C11 C10
C12 C9
C7 C3
C6 C2
C5 C1
VCCGND1
RSTVPP
CLKIO
GND2GND5
GND3GND4
C509
6.8p
CN201
2
1
VIB_P
SIM_DATA_1
SIM_CLK_1
SIM_RST_1
END_KEY
SIM_CLK_2
MAIN_MIC_P
KEY_IN3
KEY_OUT2
KEY_OUT1
SPK_N
M_KEY_LED1
UART1_TX
UART1_RX
SIM_DATA_2
SPK_P
MAIN_MIC_N
SIM_RST_2
BAT_TEMP
RCV_P
RCV_N
CHG_EN
CHG_EOC
ACC_ID
M_KEY_LED2
KEY_OUT3
KEY_OUT4
KEY_IN1
KEY_IN0
KEY_IN2
KEY_IN4
DOWN
MENU
5
8
(1%)
SEND
END
RIGHT
3
VIBRATOR
6
#
LEFT
SEL
0
SIM_CONNECTOR_2
BATTERY CONNECTOR
7
4
KEY BACKLIGHT
9
(25V)
*
SIM_CONNECTOR_1
KEY MATRIX
1
UP
2
Line Width: 2mm
Line Width: 2mm
Single Differential AMP for SPEAKER
A270 : Not mount
( USB & TA & UART )
(0.1uF,25V,X7R,1608)
5PIN CONNECTOR
(10 uF,6.3V ,M ,X5R ,TC ,1608 ,R/TP)
ECCH0005604
MIC
( Contact Type )
A275 : Mount
(10V)
(10V)
1%
CHARGER IC