LG -A258 Service Manual page 98

CIRCUIT
TP1
RCV_SPK_N
RCV_SPK_P
TP
HP_OUT_L
HP_OUT_R
FB202
USB_DM
FB204
USB_DP
UART_RX
UART_TX
HS_OUT_L
HS_OUT_R
HS_MIC_P
HS_MIC_N
C249
39p
MINI_ABB_INT_N
LGE Internal Use Only
VBAT
C204 C2
220n
IN1-
C205 C1
220n
IN1+
TP4
U200
D2
C206 1u
IN2-
D1
C207 1u
IN2+
TP3
C210 D3
220n
IN3-
C211 C3
220n
IN3+
C216
I2C_SCL
2.2u
I2C_SDA
EAR_GND
VBAT
C230
2.2u
VBUS
C239
1V8_VDD
1u
25
26
R228
100K
27
600
11
600
12
13
14
L201 1.5n
15
L202 1.5n
16
TP9
C247 0.1u
17
C248 0.1u
32
C250
C251
39p C252
DNI
39p
1V8_VDD
R242
10K
C200 C201
DNI 0.1u
FB200
FB201
C5
OUT+
D5
OUT-
TP5 TP6
A2
HPL
A1
HPR
C208
0.1u
B5 C212 2.2u
CPVDD
A3 C213 2.2u R206
CPVSS
A4
CP
20
A5
CN
C214 2.2u
1V8_VDD
FB206 600
C217
2.2u
CAM_DVDD CAM_IOVDD CAM_AVDD
C231
1u
C241
C240
2.2u
1u
3
VIN
23
VBAT1 VBUS1
24
VBAT2 VBUS2
22
EXPDET D-
21
U202
D+
FB203
20
RT8966AGQW
DN UID
19
DP RES
18
U1 CAP
U2
AUD1
AUD2
C246
MIC
1u
DSS
Figure 4.11.2
- 98 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
RCV_SPK_POUT
RCV_SPK_NOUT
C202 C203
VA203 VA204
47p 47p
HS_OUT_L
HS_OUT_R
C209
0.1u
R207
20
FM_LNA_EN VBUS_EXT
C242
2.2u
MUIC_IO_M
MUIC_IO_P
120
MUIC_ID
R235 2.2K
C243
DNI
I2C_SCL
I2C_SDA
Only for training and service purposes