LG -T500 Service Manual page 127

VBAT
VDD_IO_1V8
R400
47K
C400
USB_DM
1u
USB_DP
UART_RX
UART_TX
VDD_IO_1V8
R410
10K
I2C_SCL
I2C_SDA
MUIC_INT_N
VDD_IO_1V8
X+
Y+
X-
Y-
C417
0.1u
X+
X-
LGE Internal Use Only
MINI ABB ( MUIC + CHARGE ID)
VUSB_CHG_IN
C5 E4
BATT1 VBUS1
D5 E5
BATT2 VBUS2
R425 10 A2 E3
MUIC_IO_M
DN D- C401
R426
10 A3 E2
DP D+ MUIC_IO_P 0.1u
1800
A5 E1
U1 ID MUIC_ACC_ID
U401
A4
U2 FB401
2.2K
D1
RES
B1 R406
AUD1
C1 D3
AUD2 DSS
A1 B5
VUSB_LDO_4V9
MIC EXPDET
D2
CAP
C402 C403
1u 1u
TOUCH IC
A2 A1
VDD AUX
A3 B2
X+ A0
TP401
B3 U402 C2
TOUCH_RST
Y+ NRST
C3 D1
I2C_SCL
X- SCL
D3 C1
I2C_SDA
Y- SDA
D2 B1
GND NIRQ TOUCH_INT
TP400
TOUCH CONNECTOR
ENZY0020701
CN404
1
2 Y+
3
4 Y-
ZD402 ZD403
ZD404 ZD405
4-2-3-1 Micro-USB 5pin normal
4-5-1-1 Battery Connector
VUSB_CHG_IN
GND2 GND1
CN401
OUT IN
6
FL401
7
300pF
8
CN402
1
MUIC_IO_M 2
D1
MUIC_IO_P 3
1
MUIC_ACC_ID 4
2
5
3
9
D2
10
11
C408
22pF
C410
100u
BOM Change : ENRY0010501
POWER ON
VBACKUP_BAT
R413
6.8K
CN405
1
2
PWR_HOLD
3
C409
0.1u
ZD401
KEY_OUT[2]
KEY_OUT[3]
PWR/HOLD
R416
PWR_HOLD PWRON
1K
R417
100K
D401
- 127 -
MOTOR
VBAT VDD_IO_1V8
R421
(1%) L401
51K
VIB_P
56n
R414 10
BAT_TEMP C415 C416
33p 1u
L402
R422
56n
C414
100K
0.1u
C411 C412 C413
10p 27p 47p
KEYPAD INTERFACE
GPS_ANT2
SEND OK
KB401 KB402
KEY_IN[1]
R415 680
CLR
R427
KB403
0 R428
0
KEY_IN[3]
VA401
R418 680 VA402
R419 680
R420 680
D404 D402 D403
SHIELD CAN
1
SC401
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
VB401
1
2
CN403
1
2
3
4
Only for training and service purposes