LG -A100 Service Manual page 76

CIRCUIT
UART_RX
UART_TX
EAR_L
EAR_R
HS_MIC
VDD_IO_1V8
R223
10K
ABB_INT_N
LGE Internal Use Only
VBAT
C208
1u
DSS
VAUX_2V85
3
VIN
R212
25
VBAT1
100Kohms
26
VBAT2
27
EXPDET
11
DN
12
DP
13
U1
14
U2
R218 0 TP2
15
AUD1
R219 0
16
TP2
AUD2
R220 0
17
MIC
R221
32
TP3
DSS
300Kohms
VAUX_2V85
I2C_SDA
I2C_SCL
R224
10K
VBAT
23
VBUS1
24
VBUS2
22
D-
21
U205
D+
FB204
20
UID
19
RES
18
CAP
C218
1u
R225
10K
- 76 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
3V1_TORCH
VUSB_CHG_IN
C214
C259
1u
1u
MUIC_IO_M
TP1
MUIC_IO_P
0
MUIC_ACC_ID
R216
2.2K
C217
DNI
Only for training and service purposes