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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
C289
0.1u
0
R285
VSIM2
IC401
B3
A4
C3
C2
B2
D1
D3
D4
C1
A1D2
B1
D5
A2
A5
A3
B5
B4
C5
C4
GND
OUT+
HPVDD
CPVDD
CPVSS
CN
HPL
OUT-
BIAS
IN2- HPR
IN1+
SVDD
IN3-
IN2+
SDA
IN1-
IN3+
CP
SCL
CN300
4
3
2
1
D1
D2
C206 1u
C211 1u
VA205
C288
DNI
1
2
C286
DNI
1
2
C207 1u
C285
DNI
1
2
C287
1u
1
2
DNI
R269
21
J204
98
107
63
52
41
C1 C5
C2 C6
C3 C7
GND1 GND4
GND2 GND3
C284
DNI
DNI
R274
C208 1u
FB201 600
C368
10n
C321
33u
J201
98
107
63
52
41
C1
C5
C2 C6
C3 C7
GND1 GND4
GND2 GND3
J202
98
107
63
52
41
C1
C5
C2 C6
C3 C7
GND1 GND4
GND2 GND3
J203
98
107
63
52
41
C1
C5
C2 C6
C3 C7
GND1 GND4
GND2 GND3
C217
2.2u
1
2
D202
C263
39p
R286
1K
L200
100n
FB202 600
R224
220K
2.2u
C203
D201
4
3
5
2
6
1
VBUS
GND2
DM
GND1
DP
ID
R256
150
R284
0
VSIM1
C259
1u
VSIM_3
1u
C260
VSIM_4
R278 0
0R279
R280 0
0R283
R282 0
0R281
R205
20
R206
20
C239
2.2u
VA206 VA207
R273
4.7K
820
R276
VIO_1V8
C266
0.1u
C267
0.1u
R254
1
VA241
1
R255
C292
39p
1
2
39p
C293
1
2
3K
R277
8p
C202
L201 100n
L202 100n
R220
100
100
R222
U202
14
13
12
11
10
9
8
15 7
16
6
17
5
18
4
19
3
20
2
21
1
22
23
24
25
26
27
28
29
GND
SIO2/GPIO6
VSIM3
SIO3/GPIO9
SRST3/GPIO8
SCLK3/GPIO7
SYSRSTB
SDA
SRST2/GPIO5
SCL
SCLK2/GPIO4
CE0
VSIM2
VIO
VBAT
SIMIO2/GPI18
VSIM1
SIMRST2/GPI17
SCLK1/GPIO1
SIMCLK2/GPI16
SRST1/GPIO2SIMCLK1/GPI13
SIO1/GPIO3
VSIM4
SCLK4/GPIO10
SRST4/GPIO11
SIO4/GPIO12
SIMIO1/GPI15
SIMRST1/GPI14
R300
240K
VBAT
C296
39p
AVDD_2V8
ZD300
2
1
R320
1K
1u
C318
VA240
100
R272
22p
C304
VBAT
100p
C365
C297
33u
1K
R251
R208 5.6
VIO_1V8
VA224
VA202
100K
R271
56p
C212
CN200
2
1
1K
R266
5.6
R209
1800
FB210
21
FB211
1800
FB200
1800
2 1
J200
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
MIC200
2
1
VUSB_LDO_4V9
2.2u
C200
2.2u
C218
VBAT
2.2u
C219
VA204
2
1
C264DNI
1
2
VA203
2
1
R216
1K
2
1
VSIM_2VSIM_1
VA200
2
1
C201
0.1u
1
2
C214
2.2u
1
2
39pFC216
1
2
0.1u
C275
C215 39pF
2.2uC204
1
2
2.2uC205
12
C237
2.2u
1
2
VIO_1V8
VBAT
56p
C213
VMIC_BIAS_P
47p
C229
1
2
1uC257
2
1
R223
2.2K
2
1
2.2K
R218
21
C230
0.1u
21
C232
DNI
0.1u
C228
C231
DNI
1.5Kohms
R217
VIO_1V8
VA201
2
1
EARMIC_BIAS
R219
2.2Kohms
2
1
C225
0.1u
21
0.1u
C223
21
39p
C224
1
2
C226
2.2u
1800
FB207
21
VBUS_USB
U204
65
74
83
92
101
11
PGND
VIN BATT
ISET PGB
GND1 CHGSB
LDO GND2
IEOC EN_SET
10u
C222
1
2
C258 1u
2
1
C238
1u
1
2
VBUS_USB
C272
22p
22pF
C268
C269
1u
0.1u
C295
AVDD_2V8
240K
R275
CN201
11
10
9
5
4
3
2
1
8
7
6
DNI
C277
1
2
DNI
C282C281
DNI 1u
C283
VSIM_2
R268
DNI
VSIM_3
R267
DNI
C280
1u
VSIM_1
DNI
C276
C279
DNI
VA210
VA209
VA208
VA239
VA238
VA237
VA236
VA235
VA234
VA233VA229
VA228
VSIM_4
DNI
R240
21
C243
1u
1
2
DNI
C241
1
2
DNI
C242
1
2
C244
DNI
1
2
HP_MIC_P
HP_MIC_N
SIM2_CLK
SIM2_RST
SIM2_DATA
SIM_CLK
RST_N
I2C_SDA2
I2C_SDA2
I2C_SCL2
I2C_SCL2
SIM_DATA
SIM_RST
HS_OUT_R
HS_OUT_R
HS_OUT_L
HS_OUT_L
BATT_TEMP
HS_L
HS_R
MIC_P
MIC_N
USB_DM
USB_DP
SIM_3_DATA
SIM_3_DATA
SIM_3_RST
SIM_3_RST
SIM_3_CLK
SIM_3_CLK
HOOK_DET
BATT_ID
ACC_ID
BATT_ID_PU
FM_ANT
JACK_DET
EOC
CHG_EN
SIM_4_RST
SIM_4_RST
SIM_4_RST
SIM_4_CLK
SIM_4_CLK
SIM_4_CLK
SIM_4_DATA
SIM_4_DATA
SIM_4_DATA
SIM_1_CLK
SIM_1_CLK
SIM_1_CLK
SIM_1_RST
SIM_1_RST
SIM_1_RST
SIM_1_DATA
SIM_1_DATA
SIM_1_DATA
SIM_2_RST
SIM_2_RST
SIM_2_CLK
SIM_2_CLK
SIM_2_DATA
SIM_2_DATA
SPEECH_P
SPEECH_N
CHANGED (10/12)
50V internal voltage (10/31)
Changed (12/3)
Value changed (11/12)
Changed (12/28)
RS/CS (12/28)
Changed (9/25)
11/5 Changed to 39pF
11/5 Added 1k
BB side place
MIC side place
Changed (12/3)
SIM3 (SW must be careful)
SIM4 (SW must be careful)
SIM1 (SW must be careful)
SIM2 (SW)
SIM3 (SW)
SIM4 (SW)
SIM1 (SW)
SIM1 (SW)
SIM2 (SW)
Deleted for Dual SIM
Changed (12/3)
Changed (7/26)
Changed (7/26)
Close to Pin (8/8)
Added (7/26)
Changed (7/26)
Changed (7/26)
Changed (10/31)
SIM connectors are changed to a new part (10/31)
BATTERY ID CIRCUIT (8/8)
CHANGED (8/21)
(7/19) ZD300 : 150mW->500mW ???
In case of dual SIM
BATTERY CONNECTOR
(1%, F)
(10/29) U200 : TPA2058 -> WM9093
Quad SIM Controller
Place 0.1uF close to AMP
MAIN MICROPHONE
3.5phi HEADSET
BB side place
close to 3.5pi conn
SIM
AUDIO SUBSYSTEM
component changed (9/10)
SIM2 (SW must be careful)
(6/20) 1810, 3T, spring
(6/28)
(7/2)
Changed for Quad SIM (10/12)
Close to IC (10/12)
(7/3) VA224 : need to check less than 5pF
(7/19)
Close to IC (10/12)
R278, R279, R280, R281, R282, R283, R284, R285 : Install
U202, C237, C238, C239, C257, C258, C259, C260 : DNI
U202, C237, C238, C239, C257, C258, C259, C260 : Install
In case of quad SIM
R278, R279, R280, R281, R282, R283, R284, R285 : DNI
Added for Dual SIM (10/12)
Added for Quad SIM (10/12)
Changed for Dual SIM (11/9)
4.2V & 4.35V Single Charger
(10/12) changed from MINIABB to single charger
DCR 60ohm --> 600 ohm (10/31)
Swapped (10/31)
Added for low voltage surge (12/3)
25V --> 50V (9/10)
Line Width: 2mm
Changed (10/12)
MTK recommend (9/10)
USB IO
Line Width: 2mm
Changed for Low voltage surge (12/3)
Changed (8/28)
Changed (8/27)
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