4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
VA1213
ESD7951ST5G
VA1217
VA1218
0
R122
0
VA1219
VSEL_1.8V
3.0V_MICROSD
0.1u
C1228
VSIM_2.9V
VUSIM_2.9V
C1225
18p
C1226
18p
22p
C1227
S1200
ENSY0022801
49619-1611
S8
S4
S7
G4
S3
G3
S6
G2
S2
G1
S1
T8
T7
T6
T5
T4
T3
T2
T1
S5
ST
1
ST
2
COMMO
N
DETECT
GN
D
DAT2
CD_DAT3_2
CM
D
VD
D
CLK
2
VSS_
2
DAT0
DAT1
VCC_VOLTAGE
GND1
VCC_RESET
GND2
VPP
GND3
CLK1
GND4
IO
RESERVED1
RESERVED2
R1217
47K
47K
R1218
47K
R1223
47K
R1222
47K
R1221
R1219
470K
10p
C1229
4.7K
R1216
VA1210
ON-SEMI
5V 5.4V min. 12.9V 1A 150mW 1A R/TP 2P
3.0V_MICROSD
C1230
100n
10
R1225
VA121
1
10
R1226
10
R1224
10
R1227
10
R1228
10
R1229
10
R1230
VA1214
ESD7951ST5G
ON-SEMI
VA1215
VA121
6
VA1212
VA1220
MICROSD_DET/
NFC_SWP
3.0V_MICROSD
MICROSD_CMD
MICROSD_DAT3
MICROSD_DAT2
MICROSD_CLK
MICROSD_DAT0
MICROSD_DAT1
USIM_RESET/
USIM_CLK
USIM_DATA
revA -> revB : change SD Detect/
revA -> revB : change SD Detect/
revB(TVS)->rev1.0(TVS Vender changed)
TP1 2.9V_USIM(C1228)
TP1 2.9V_USIM(C1228)