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MINI ABB ( MUIC + CHARGE ID)
VBAT
VDD_IO_1V8
R401
47K
C5
E4
BATT1
VBUS1
D5
E5
BATT2
VBUS2
C411
R405
10
A2
E3
1u
USB_DM
DN
D-
R406
A3
E2
10
USB_DP
DP
D+
A5
E1
UART_RX
U1
ID
A4
U401
UART_TX
U2
D1
LP8727-B
RES
EAN62339701
B1
R410
AUD1
C1
D3
AUD2
DSS
A1
B5
MIC
EXPDET
VDD_IO_1V8
D2
CAP
R402
10K
I2C_SCL
I2C_SDA
MUIC_INT_N
C-Touch Connector
VDD_IO_1V8
CN403
1
10
2
9
No9=NC(reset)
I2C_SCL
3
8
I2C_SDA
4
7
TOUCH_INT
No7=NC(VDDIO)
5
6
GB042-10S-H10-E3000
LGE Internal Use Only
4-2-3-1 Micro-USB 5pin normal
VUSB_CHG_IN
VUSB_CHG_IN
Line Width: 2mm
MUIC_IO_M
C412
C418
MUIC_IO_P
1u
DNI
MUIC_ACC_ID
FB401
1800
2.2K
VUSB_LDO_4V9
VTOUCH_3V0
TOUCH_ID
VA407
C416
0.1u
GND2
GND1
OUT
IN
FL401
ZD401
ZD402
C402
C401
CN401
1u
DNI
22pF
8
10
1
MUIC_IO_M
2
6
MUIC_IO_P
3
4
7
MUIC_ACC_ID
5
9
11
C410
04-5161-005-101-868+
22pF
EAG63149901
POWER ON
VBACKUP_BAT
R413
6.8K
CN404
1
2
R417
PWRON
3
1K
ZD404
C415
VA403
R418
0.1u
100K
- 123 -
4-5-1-1 Battery Connector
VDD_IO_1V8
VBAT
(1%)
R403
CN402
51K
D1
1
R407
10
2
BAT_TEMP
3
D2
R409
100K
ZD403
VA401
C406
C407
C408
C409
C417
33u
33p
10n
2.2u
33p
DNI
SIDE KEY INTERFACE
CN405
1
R419
680
KEY_IN[1]
2
R421
680
KEY_OUT[2]
R420
680
3
KEY_IN[3]
4
VA409
VA402
VA408
KEY_OUT2
KEY_OUT3
KEY_IN0
X
SEND
KEY_IN1
Vol_down
CLR
KEY_IN3
Vol_UP
END
Copyright © 2012 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
MOTOR
VB401
R408
1
VIB_P
4.7
2
C404
C405
L402
33p
1u
56n
ESD GND
TP401
TP405
TP409
TP413
TP417
TP402
TP406
TP410
TP414
TP418
TP403
TP407
TP411
TP415
TP419
TP404
TP408
TP412
TP416
TP420
Only for training and service purposes
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Troubleshooting
