5. Trouble shooting
- 95 -
5.11 MicroSD trouble
Check Points
-Power control FET is working
-Socket soldering
-Card detect is working
VMMC
1u
C346
R332
100K
R334
100K
R327
100K
22p
C345
2
3
4
5
6
7
8
SWA
SWB GND
GND
1
49225-0821
S301
100K
R336
D
G
S
SI1305-E3
Q301
100K
R333
100K
R335
2V72_IO
TF_DAT1
TF_CMD
TF_DETECT
TF_PWR_EN
TF_DAT2
TF_DAT3
TF_CLK
TF_DAT0
TF-DETECT PIN
TF_DETECT SIGNAL
Summary of Contents for Prada KE850
Page 1: ...Date March 2007 Issue 1 0 Service Manual Model KE850 Service Manual KE850 ...
Page 3: ... 4 ...
Page 5: ... 6 ...
Page 71: ...4 PCB layout 72 Main PCB bottom Main PCB bottom placement ...
Page 115: ... 116 6 Download S W upgrade 6 Press the START button ...
Page 117: ...6 Download S W upgrade 118 KE850 KE850P40 7 V09a KE850 KE850P40 7 V09a ...
Page 127: ... 128 LGMC 8 pcb layout ...
Page 128: ... 129 LGMC 8 pcb layout ...
Page 129: ... 130 LGMC 8 pcb layout ...
Page 130: ... 131 LGMC 8 pcb layout ...
Page 131: ... 132 8 pcb layout ...
Page 132: ... 133 8 pcb layout ...
Page 133: ... 134 8 pcb layout ...
Page 134: ... 135 8 pcb layout ...
Page 135: ... 136 8 pcb layout ...
Page 136: ... 137 8 pcb layout ...
Page 137: ... 138 ...
Page 149: ... 150 ...
Page 151: ... 152 ...
Page 172: ...Note ...
Page 173: ...Note ...