LG GT500 - Page 181

7. CIRCUIT DIAGRAM
- 182 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
E
11
5
LDO 3.3V For MOTOR
150mA
6
10
1
F
H
1608
Hirose ( Micro-SD Socket, Normal ,T= 1.68)
C
MOTOR AMP
TOUCH LEVEL SHIFTER
64
7
C
D
B
78
EUSY0337101
MICROSD LEVEL SHIFTER
12
9
H
10
12
F
GG
TOUCH SCREEN DRIVER IC
12
9
11
2
Touchscreen Interface
Three-Axis Interface
Motor Interface
Micro SD Card Interface
MICROSD SOCKET
54
D
E
B
Three-Axis Sensor
3
ENSY0020901
A
3
A
8
INT
4
1
NC1 NC2
10
NOT1
11 12
NOT2
6
SCK
SDI
8
SDO
7
2
VDD
9
VDDIO
BMA150U401
5
CSB
3
GND
RSB6.8CST2RZD402
ZD403 RSB6.8CST2R
220K R419
EVLC18S02015
VA403
B2
A0
A1
C2
A1
AUX
GND
D2
PENIRQ-
B1 D1
SCL
C1
SDA
VDD_REF
A2
A3
X+
C3
X-
Y+
B3 D3
Y-
TSC2007IYZGRU405
150K
R402
390
R409
C406
1u
VDDE_1V8
0
R656
RP103K281D-TR-F U406
3
CE
2
GND
5
PGND
VDD
41
VOUT
VA402
EVLC18S02015
0.01u
VBAT
R425
51K
C403
1u
C414
ZD401 RSB6.8CST2R
VA405
VDD_TOUCH_2V8
DAT1A
A2 D1
DAT1B
B4
DAT2A DAT2B
C4
A4
DAT3A
D4
DAT3B
GND1
B3
GND2
C3
A5
VCCA
D5
VCCB
EVLC18S02015
SN74AVCA406EZXYRU403
A3
CLKA
D3
CLKB
CLK_F
A1
CMDA
B1
C2
CMDB
CMD_DIR
B5
B2
DAT0A DAT0B
D2
DAT0_DIR
C5
DAT123_DIR
C1
SWA SWB
4
6
DM3AT-SF-PEJ
2
5
3
7
8
1
GND
0R423
S400
R416 2.2
VDDH_2V75
DNI R424
2.7KR422
VDD_TOUCH_2V8
C400
22n
R640
0
VDDE_1V8
R420
0
51KR411
0.1u
VDD_MOTOR_3V3
C412
R426 0
C409
EVLC18S02015
VA401
EVLC18S02003
VDD_MOTOR_3V3
0.1u
C3
B4
C4
B4
GND
B3
OE
VCCA
B2 B1
VCCB
VA406
U404
TXS0104EZXUR
A1
A1
A2
A2
A3
A3
A4
A4
C1
B1
C2
B2 B3
EVLC18S02015
VA404
R421 2.7K
C411
1u
1u
C413
R408 51K
1u
VDDG_2V85
VDDE_1V8
RSB6.8CST2RZD400
C407
TPA6205A1ZQVRU400
BYPASS
C1
GND
B2
C2
IN+
IN-
C3 A3
VDD
VO+
B3
VO-
A1B1
_SHUTDOWN
R412
150K
VDD_TOUCH_2V8
VA400
EVLC18S02015
1u
C401
0.1u
C404
2 4 6 8
1 3 5 7
C410
RA400
100K
0.1u
1K
R413
R414 1K
VDDE_1V8
0
R642
VDDG_2V85
VDD_MOTOR_3V3
10u
C408
R429 100K
100K R637
RP103K331D U402
3
CE
2
GND
5
PGND
VDD
41
VOUT
MOTOR_P
APP_GP_3AXIS_SDA
MICROSD_DAT3_2V85
MICROSD_CMD_2V85
MICROSD_DAT0_2V85
MICROSD_DAT1_2V85
MICROSD_DAT2_2V85
VBAT
MOTOR_N
APP_GP_TOUCH_SDA
APP_GP_TOUCH_SCL
APP_GP_3AXIS_SCL
APP_GP_TOUCH_LDO_EN
MICROSD_DAT0_2V85
MICROSD_CLK_2V85
MICROSD_DAT1_2V85
MICROSD_CLK_2V85
APP_MMC_FB_CLK
MICROSD_CLK
MICROSD_CMD_DIR
MICROSD_CMD
MICROSD_DAT_DIR
MICROSD_DAT0
MICROSD_DAT1
MICROSD_DAT2
MICROSD_DAT3
MOTOR_PWM
TOUCH_Y+
TOUCH_X-
TOUCH_Y-
APP_GP_TOUCH_PENIRQn_2V75 APP_GP_TOUCH_SCL_2V75
APP_GP_TOUCH_SDA_2V75
APP_GP_TOUCH_SCL_2V75
APP_GP_TOUCH_PENIRQn
APP_GP_TOUCH_SDA_2V75
APP_GP_TOUCH_PENIRQn_2V75
APP_GP_MMC_DETn
MICROSD_CMD_2V85
MICROSD_DAT2_2V85
MICROSD_DAT3_2V85
APP_GP_3AXIS_INT
APP_GP_MOTORLDO_EN
TOUCH_X+