LG GD910 Service Manual page 111

8. CIRCUIT DIAGRAM
1 2
A
PMIC
B
D202
SDB0530
VBAT
2V85_VFM
USB_DP
2V5_VAUDB
USB_DM
2V5_VAUDA PMRSTn
PMRSTn
1V8_SD
PM_VCXO_EN
BT_VCXO_EN
BT_VCXO_EN
C
D
SIM
E
2V9_SIM 2V9_SIM
R212
J200
4.7K
4 1
GND1 VCC
5 2
VPP RST SIM_RST
6 3
SIM_IO IO CLK SIM_CLK
10 7
GND5 GND2
9 8
GND4 GND3
C245 C246 C247 C248
F
33p DNI 1u 33p
RTC LDO
G
BATTERY 2V11_RTC
U203
RP103K201D
R220
100K 4 1
VDD VOUT
3 2
BACK_UP_EN CE GND
C271
1u
H
1 2
LGE Internal Use Only
3 4 5
R200
RTC_OUT
27K
VUSB
VBAT VBAT 1V35_VPLL
VDD_CHARGE
2V62_VIO
VBAT VBAT
B1
RCV
C2
VPIN
D3
VMIN
C1
D+
D2
D-
E3
RESET_N
D1
RESET2_N
E2
SLEEP1_N
E1
SLEEP2_N
F2
VAUDIOA
F1
VDDAUDIOA U200
G2
VDDAUDIOB
G1
VAUDIOB PMB6821
H2
VAUX
H1
VDDAUX
J1
SU1_GATE
J2
SU1_GND
H3
SU1_FB
J3
SU1_ISENSE
K1
VDDSD2
K2
SD2_FB
L2
SD2_FBL
MIC
C235 33n MIC200
MIC_P
1
C236 C238
DNI C237 33n 33p 2
MIC_N
SOB-311S44-RC10W
R213 R214 C241 C242
2700 2700 39p 39p
R215
1K
VMIC_P
C243
1u
AUDIO AMP
VBAT
U202
C251 TPA2005D1ZQYR
R217
22n C253
82K D1 B4
SPK_OUT_N IN- VDD1 1u
C4
C257 VDD2
B1
22n R218
NC
82K C1
SPK_OUT_P IN+ L417 120nH
A4
VO-
L418 120nH
A1 D4
SPK_AMP_EN _SD VO+
R219
100K
C264 C265
22p 22p
MOTOR
U410
VBAT
RP103K251D
CN304
1
4 1
C270 VDD VOUT
3 2
1u VIB_EN CE GND
C272
CN305
C513 1u
C514
1
1u 1u
MOTOR PAD
3 4 5
6 7 8 9
CN200
1
2
VBAT
C205
33u
VBAT
D201
2V85_VLCD 2V9_SIM 2V85_VRF 1V5_VRF 2V8_VMME
SDB0530
1V35_CORE 2V11_RTC 2V8_TOUCH 2V85_VBT 1V8_SD
C11
VMME
C10
VDDMME
D10
VDDRF2
D11
VRF2
E10
VRF3
E11
VDDRF13_AFC
F10
VRF1
F11
VVIB
G11
VDDSIMVIB
G10
VSIM
H11
VAFC
H10
VRTC
H9
VDDUMTS
J11
VUMTS
K11
VDDSD1
J10
SD1_FB
L10
SD1_FBL
Charge-pump
VBAT_LCD_BL
VBAT 2V62_VIO
Q303
MIC94062YMT
4 1
EN VOUT
3 2
C510
VIN GND
0.1u
C512
1u
C239 C240
VBAT_LCD_BL
1u 1u
CN204
1 10 4
VIN1 VOUT
3
DIN1 MLED1
2
2
DIN2 MLED2 C244
14 1
VIN2 DIN3 MLED3 2.2u
16 28
GND2 DIN4
26
DIN5
25
U201 DIN6
11 24
I2C1_SCL SCL DIN7
VGA_DVDD_1V8 VGA_AVDD_2V8
12 SM8158BB-G-EL
I2C1_SDA SDA
23 19
VREF GPO1
18
GPO2
22 17
PD GPO3
20
LMON
15
LDOUT1
21 13
CD LDOUT2
C255
1u
6 7 8
- 112 -
10 11
BATTERY SWITCH & H/W RESET
VBAT
BATTERY
Q200
MIC94062YMT
CN201 4 1
EN VOUT
3
1 3 2
VIN GND C206
2
0.1u
4
C202 C203 C204
27p 68p 1u
2V11_RTC
D200
1 R417
10
VDD_CHARGE 3
2
KDR331V 2V62_VIO
SPVM110200
R205 SW200
10K U408
Q302
5 1
VCC INA KEY_IN(1)
RUM002N02T2L
R416 2
GND
3M
4 3
R206 OUTY INB KEY_IN(2)
10K
TC7SH02FS
C481 C480
1u 0.1u
Touch CON
2V8_TOUCH
AXT510124
R210
G3 G4
10K
5 6
I2C2_SCL_TOUCH
4 7
3 8
I2C2_SDA_TOUCH TOUCH_ATT
2 9
1 10
G1 G2
CN202
LCD CON
AXT536124
G3 G4
MLED_OUT
18 19
MLED1 VDD
17 20
MLED2 AVDD
16 21
MLED3 GVDD
15 22
C11+
14 23
2V85_VLCD
C11-
13 24
2V62_VIO VCL
12 25
C21+
11 26
C21-
DIF_D0 10 27
DIF_D0 C22+
9 28
DIF_D1 C22-
8 29
DIF_D2 VGL
7 30
DIF_D3 VGH
6 31 DIF_VSYNC
DIF_D4 DIF_VSYNC
5 32 _DIF_CS1
DIF_D5 _DIF_CS1
4 33 _DIF_RESET
DIF_D6 _DIF_RESET
DIF_D7 3 34 LCD_RS
DIF_D7 LCD_RS
2 35 _DIF_WR
_DIF_RD _DIF_WR
1 36
G1 G2
2V62_VIO
CN203
R216
2.2K
MLED_OUT
C252 1u
C11+ GVDD
C261 1u C258 1u
C11- VDD
VGA_IOVDD_2V8
C262 1u
C21+ AVDD
C263 1u C266 1u
C21- VCL
C268 1u
C22+ VGL
C269 1u
C267 1u
C22- VGH
FB1
C256
C478
1u
1u
9 10 11
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Only for training and service purposes
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