LG -A230 Service Manual page 94

CIRCUIT
VMAIN_MIC
MAIN_MIC_P
MAIN_MIC_N
LGE Internal Use Only
J5
SDCLKO
T2
BFCLKO_0
J4
BFCLKO_1
P4
CKE
P11
ANAMON
K17
FSYS_EN
M17
EPN
M18
EPP
R16
HSL
T16
HSR
N18
LSN
N17
LSP
R14
MICN1
T14
MICP1
R15
MICN2
T15
MICP2
P14
VMIC
P15
VUMIC
R12
ACD
P13
AGND
T12
VREF
C146
220n
R228 1K
TP6
C241
R230
100
0.033uF
C242
39pF
TP5
C243
R231
100
0.033uF
MAIN GND
DDR_CLK_P
VHS_MIC
DDR_CLK_N
DDR_CKE
DNI
VMAIN_MIC
C136
BT_CLK_REQ
TP3
TP1
C140 C141
C142
1n 1n
47p
TP
R229 2.2K
L201
L202
VA203 VA204
C246
10u
- 94 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
DNI 47p 47p
C138 C139
C137
RCV_SPK_N
RCV_SPK_P
HS_L
HS_R
MAIN_MIC_N
TP4
MAIN_MIC_P
HS_MIC_N
HS_MIC_P
C143
47p
100n
SUMY0003816
100n
2
OBM-410L44-RC1882
1
MIC200
MIC guide line check
Only for training and service purposes