Microsd Trouble - LG KE600 - Cell Phone Service Manual

5.12 MicroSD trouble

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