5. Trouble shooting
- 97 -
5.12 Touch pad trouble
Check Points
-FPCB pad Solder
-FPCB Crack
-Contorl IC working
2V85_IO
2
3
4
5
CN102
1
SDA
SCL
TP_ATTN
This fault depend on
Touch-pad mainly.
Almost of all case,
Replace front touch panel.
START
FPCB PAD (CN102)Solder
check OK?
FPCB No Crack?
Assemble
Resolder CN102
Replace FPCB
Yes
No
No
Check Touch Sensitivity
(If not replace front touch
panel)
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 ...