LG -A155 Service Manual page 82

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4.12 SIM1 Card Interface Trouble
4.13 SIM1 Card Interface Trouble
TEST POINT
CIRCUIT
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 4.13.1
Figure 4.12.1
VSIM1
VMMC
MMC_DATA1
MMC_DATA0
MMC_CLK
MMC_CMD
MMC_DATA3
MMC_DATA2
MMC_DET
C503
C502
4.7u
1u
90/140
- 8 -
4. TROUBLE SHOOTING
4. TROUBLE SHOOTING
TP1
VCC_VOLTAGE
S1
DAT1
T8
DAT0
T7
VSS_2
T6
CLK2
T5
VDD
T4
S500
CMD
T3
CD_DAT3_2
T2
DAT2
T1
GND
S5
DETECT
ST1
COMMON
ST2
TP1
TP1
LGE Internal Use Only

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