LG -A100 Service Manual page 83

CIRCUIT
C251
1u
VDD_IO_1V8
R223
10K
ABB_INT_N
LGE Internal Use Only
VBAT
R243 R244 R245
560 560 560
LD201 LD202 LD203
VBAT
C208
1u
DSS
VAUX_2V85
3
VIN
R212
25
VBAT1
100Kohms
26
VBAT2
27
EXPDET
11
DN
12
DP
13
UART_RX
U1
14
UART_TX
U2
R218 0
15
EAR_L
AUD1
R219 0
16
EAR_R
AUD2
R220 0
17
HS_MIC
MIC
R221
32
DSS
300Kohms
VAUX_2V85
I2C_SDA
I2C_SCL
R246 R247 R248
560 560 560
LD204 LD205 LD206
TP1
R262
R263
VA215
VBAT
23
VBUS1
24
VBUS2
22
D-
21
U205
D+
FB204
20
UID
19
RES
18
CAP
C218
1u
R224 R225
10K
10K
- 83 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
0
KEY_LED
0
3V1_TORCH
VUSB_CHG_IN
C214
C259
1u
1u
MUIC_IO_M
MUIC_IO_P
0
MUIC_ACC_ID
R216
2.2K
C217
DNI
Only for training and service purposes