LG GB220 - Micro SD Trouble

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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.15 Micro SD Trouble
TEST POINT
CIRCUIT
Figure 4.15.1
R213
J201
C223
uSD
R214
10K
R213
470K
18p
C226
DNI
C225
DNI
0.1uC224
C223
1V81_VDD
10K
R216
VMMC
10K
R218
DETECT_A
DETECT_B
DUMMY1
DUMMY2
DUMMY3
GND
VDD
VSS
AXA463062C02
CD_DAT3
CLK
CMD
DAT0
DAT1_2
DAT2
J201
VMMCVMMC
10K
R217R215
10K
uSD_D3
uSD_CLK
uSD_DET
uSD_CMD
uSD_D0
uSD_D1
uSD_D2