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LGE Internal Use Only
Copyright © 01 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
C510
0.1u
0.1u
C515
12
R508
R509
12
1u
C507
C508
1u
600
FB505
FB504
600
C517
2.2u
C514
39p
M501
3
D
1
C
2
E
2
A
C2
B2
B4
A4
B3
E1
A3
D1
A1
C3
B1
E4
E3
C4
4
D
2
D
D
D
V
P
H
D
D
V
P
S
IN3-
OUT+
OUT-
HPL
IN3+
HPR
CP
IN1+
CN
IN1-
IN2+
IN2-
SDA
SCL
S
AI
B
D
D
V
P
C
S
S
V
P
C
D
N
G
C513
39p
C518
2.2u
C516
2.2u
C519
2.2u
HS_OUT_R
HS_OUT_L
I2C_SDA
I2C_SCL
SPK_P
SPK_N
SPK_HS_L
SPK_HS_R
RCV_HS_N
RCV_HS_P
TP6: C510
TP7:C515
C229
47p
47p
C228
C227
DNI
C226
DNI
VMIC_BIAS_P
VAUD_HS_BIAS
N17
N18
T16
R16
M18
M17
K17
P11
P4
J4
T2
J5
G1
L4
J3
L2
P5
P2
RAS_n
CAS_n
BC0_n
BC1_n
BC2_n
BC3_n
SDCLKO
BFCLKO_0
BFCLKO_1
CKE
ANAMON
FSYS_EN
EPN
EPP
HSL
HSR
LSN
LSP
DDR_CAS_N
DDR_RAS_N
DDR_DQS[1]
DDR_DQS[0]
DDR_DQM[0]
DDR_DQM[1]
BT_CLK_REQ
SPK_HS_L
SPK_HS_R
DDR_CLK_P
DDR_CKE
DDR_CLK_N
RCV_HS_N
RCV_HS_P
ABB
VDDP_DIG1
VDDP_EBU
U201
BB
Chip
TP8: C228
TP9: C229
Q501
KTJ6131V
1
3
2
G
D
S
4.7
R507
R506
4.7
C506
560p
560p
C509
U502
NCS2200SQ2T2G
2
3
1
4
5
VCC
VIN-
OUT
VIN+
GND
52
5
R
M1
62
5
R
K0
22
47
R527
C541
120p
82
5
R
K0
01
VDD_IO_1V8
C540
39pF
J501
EAG63234901
JAM3333-F36-7H
M5
M4D
M4
M1
M6
ZD503
C522
22n
VDD_IO_1V8
10
R504
ZD502
1800
FB507
ZD501
FB503
1800
FB502
1800
C502
27p
VA501
47K
R501
1n
C501
R523
DNI
L501
100n
ZD504
C525
47p
47p
C524
R505
DNI
R512
2.2K
1.5K
R511
C523
2.2u
C521
39pF
C520
22n
VAUD_HS_BIAS
R524
1K
10
FB501
1800
FB506
R503
220K
HS_MIC_N
HS_MIC_P
HS_OUT_R
HS_OUT_L
HS_GND
HS_GND
HS_GND
HS_JACK_DET
HS_MIC
HS_MIC
HS_HOOK_DET
FM_LNA_IN
TP1:FB501
TP2:FB502
TP3:FB507
TP4:FB503
TP5:FB506
TP10:R512
TP11:C521
TP12:C525