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4. TROUBLE SHOOTING
4.13 Micro SD (uSD) Trouble
TEST POINT
S201
R231 : uSD D2
R232 : uSD D3
TP01 : C250
TP03 : C249
TP02 : R236
R235 : uSD D1
R234 : uSD D0
CIRCUIT
u-SD CARD
USD_CMD
LGE Internal Use Only
.
Figure 4.14
R231 R232
R230
47K
47K
47K
USD_D2
USD_D3
TP03
TP0
USD_CLK
R229
USD_DET
47ohms
USD_D0
USD_D1
1V8_VDD
TP02
R236
100Kohms
4. TROUBLE SHOOTING
. .
.
.
. .
VMMC
FB206
600
R234
R235
R233
47K
47K
47K
TP01
TP01
C249 C250
TP02
DNI
2.2uF
C251
0.001uF
- 98 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
S201
GND
DAT2
CD_DAT3
CMD
VDD
CLK
VSS
CARD_DETECT
DAT0
DAT1
COVER_DETECT1
Only for training and service purposes
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