LG KE600 Service Manual - Page 96
MicroSD trouble
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5. Trouble shooting 5.12 MicroSD trouble Check Points -Power control FET is working -Socket soldering -Card detect is working Tflash Connector 51K NA 51K R353 R352 R351 TFLASH_DAT2 TFLASH_DAT3 TFLASH_CMD R358 0 TFLASH_DETECT R359 470K J302 1 DAT2 DAT1 8 2 DAT3 DAT0 7 3 CMD VSS 6 4 VDD CLK 5 9 11 10 GND1 GND3 12 GND2 GND4 R354 51K R355 51K 2V9_TF VBAT 2V9_TF TF_PWR_EN R363 0 C359 1u U307 BH29FB1WHFV 1 STBY NC 5 2 GND BGND 6 3 VIN VOUT 4 C360 2.2u C355 C356 NA 1u TFLASH_DAT1 TFLASH_DAT0 TFLASH_CLK - 97 -
5. Trouble shooting
- 97 -
5.12 MicroSD trouble
Check Points
-Power control FET is working
-Socket soldering
-Card detect is working
Tflash Connector
R358
0
2.2u
C360
NA
R352
1u
C356
R355
51K
GND2
10
GND3
11
12
GND4
4
VDD
6
VSS
J302
5
CLK
3
CMD
7
DAT0
DAT1
8
DAT2
1
DAT3
2
GND1
9
51K
R353
0
R363
51K
R354
2V9_TF
2V9_TF
R359
470K
C359
1u
VBAT
BGND
6
GND
2
5
NC
1
STBY
VIN
3
4
VOUT
U307
BH29FB1WHFV
NA
C355
R351
51K
TF_PWR_EN
TFLASH_DETECT
TFLASH_DAT3
TFLASH_DAT2
TFLASH_CMD
TFLASH_CLK
TFLASH_DAT0
TFLASH_DAT1