LG GX500 Service Manual page 121

7. CIRCUIT DIAGRAM
12 11
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VUSB VBAT
VBAT
C212
C237
2.2u 1u
K
USB_OEN
USB_DAT_VP
USB_SE0_VM
1V8_SD 2V5_VAUDB VBAT TXON_PA
VBAT
2V5_VAUDA 2V85_VFM
J
B1
RCV
C2
VPIN
D3
VMIN
C1
SIM1_USB_DP D+
D2
SIM1_USB_DM
D-
E3
PMRSTN RESET_N
D1
220 RESET2_N
E2
VCXO_EN SLEEP1_N
SIM1_BT_VCXO_EN E1
SLEEP2_N
TP203
F2
VAUDIOA
F1
VDDAUDIOA
G2
VDDAUDIOB
G1
I VAUDIOB
H2
VAUX
H1
VDDAUX
C230 C245 C243
2.2u 2.2u 1u J1
SU1_GATE
J2
SU1_GND
H3
SU1_FB
J3
SU1_ISENSE
K1
VDDSD2
K2
SD2_FB
L2
SD2_FBL
C240
C204 C208 C213 C209 C216
C241 C247 C224
0.1u
H 10u 2.2u 0.1u
10u 10u 22u 2.2u 2.2u
G
LINEAR MOTOR DRIVER
EUSY0200803
Rev.B
F
R220 U204
10K
1 8
LIN_MOTOR_EN EN V1
TP206
2 7
SIN VSS
3 6
TYPE VCC
E 4 5
OCT V2
1%
R223
10K
D
LCD BACKLIGHT LED DRIVER
C
MLED
VA203
C255
VBAT
EVLC18S02015
B
C253
1u LCD_PWM
VA205
A
12 11
LGE Internal Use Only
10 9 8
PMIC
SG3_RPWRON_EN
2V62_VIO
C217
2.2u
1V35_VPLL 2V62_VIO
C214 VBAT
0.1u VBAT VBAT
C206
100u
2V8_VVIB
0.1u
TP202
C205
L202
1V35_CORE
10u
VBAT 1V5_VBT 2V11_RTC
C11
VMME
C10
VDDMME
D10
VDDRF2
D11
VRF2
E10
VRF3
E11
VDDRF13_AFC
F10
VRF1
F11
VVIB
U201
G11
VDDSIMVIB
G10
VSIM
H11
VAFC
H10
VRTC
H9
VDDUMTS
J11
VUMTS
FB202
K11
VDDSD1
J10
SD1_FB
L10
SD1_FBL
C244
C226 C236 C234
1u 1u
1u
10u
2V8_VVIB
CLOSE TO CONN
VB201
L204 100n
1
L203 100n
2
VA202 VA201
C251 C250
3.9n 1u
U205 AAT3369IDT-1-T1
1
OUTCP1
18 19
OUTCP2 EP
5
C254 1u 2 NC
1u
C1-
3 15
C1+ D6 MLED6
14
MLED5
1u C 252 D5
4 13
C2- D4 MLED4
17 12
C2+ MLED3
D3
11
D2 MLED2
6 10
IN D1 MLED1
7 16
GND EN_SET LCD_BL_CTRL
8 9
PWM FCAP
R224
C256
47n
10K
10 9 8
7 6 5
Remote Power On
R216
RTC_OUT ON_OFF2
27K
RPWRON_EN
KEY_COL2
RPWRON
KEY_ROW4
2V7_VRF 2V85_VRF 1V5_VRF 2V9_VMME
2V9_SIM 2V65_VBT 1V8_SD
R209
END_KEY
10K
C227 C228 C242 C210 C203 C229 C232 C233
1u 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u 2.2u
1uF
ACCEL SENSOR
2V62_VIO
2V85_VFM
U203 BMA020
1 10
NC1 NC2
2 9
VDD VDDIO
3 8
GND SDI I2C2_SDA
TP205
4 7
ACCEL_INT INT SDO
5 6
CSB SCK I2C2_SCL
C248
22n C249
0.1u
7 6 5
- 122 -
4 3 2
EXTERNAL RESET
2V11_RTC
R202
SPOWER_INT PM_INT
PWRON 0
VA204 R201
3 2 1
_RESET PMRSTN
0
Q201
4 5 6
BATTERY CONNECTOR
VBAT
R214
BAT_ID
1K
C220
100p
CN201
1
2
4
3
C202 C235 C211
C215
47p 27p 10p
2.2u
VBAT
S2_VBAT
FL201
1 2
IN OUT
3 4
G1 G2
C225 C219 C239
10u
39p 10p
4 3 2
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Only for training and service purposes
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