Microphone Trouble - LG -T370 Service Manual

4.10 Microphone Trouble

C234 : TP4
C235 : TP3
C230 : TP1
A2
FWP
VDDP_DIG1 B1
FCDP_RBn NAND_BSY_N
N2
CS0_n NAND_CS_N
R2
CS1_n
R6
CS2_n
T4
ADV_n NAND_ALE_N
P1
RD_n
T5
WR_n
J8
WAIT_n NAND_CLE_N
P2
RAS_n DDR_RAS_N
P5
CAS_n DDR_CAS_N
VDDP_EBU
L2
BC0_n
J3
BC1_n
L4
BC2_n
G1
BC3_n
J5
SDCLKO
T2
BFCLKO_0
J4
BFCLKO_1
DDR_CLK_N
P4
CKE DDR_CKE
P11
ANAMON
K17
FSYS_EN
VDDP_DIG1
U201
M17
EPN
ABB
M18
EPP
R16
HSL
T16
HSR
N18
LSN
N17
LSP
R14
MICN1
T14
MICP1
R15
MICN2
T15
MICP2
P14
VMIC
P15
VUMIC
R12
ACD HS_JACK_DET
P13
AGND
T12
VREF
VDD_IO_1V8
C236
220n
TP204
PWRON
LGE Internal Use Only
NAND_WP_N
DDR_CS_N
NAND_RE_N
NAND_DDR_WE_N
DDR_DQM[0]
DDR_DQM[1]
DDR_DQS[0]
DDR_DQS[1]
DDR_CLK_P VMIC_BIAS_P
DNI DNI 47p 47p
VAUD_HS_BIAS
C226 C227 C228 C229
BT_CLK_REQ
TP3
TP1
C230 C231 C232 C233 C235 C234
1n 1n
47p 47p 47p 47p
R211
2.2K
R212
2.2K
R514 : TP2
C529 : TP6
Figure 4.12
TP6
C529 33n
MAIN_MIC_P
C532
33n
RCV_HS_N
MAIN_MIC_N
RCV_HS_P
SPK_HS_L
SPK_HS_R
TP5
MAIN_MIC_N
MAIN_MIC_P
HS_MIC_N
HS_MIC_P
TP4
- 88 - Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C532 : TP5
VMIC_BIAS_P
TP2
C527
C526
10u
39p
100
R517
C531
39pF
100
R518
C535 C536
39p 39p
Only for training and service purposes
MIC501
1
2
SUMY0003816
OBM-410L44-RC1882
VA502 VA503