5. Trouble shooting
- 80 -
START
18pin IO(CN102)
Is soldered ?
Source pin
of Q203=
4.8V ?
Drain pin
of Q203 =
4.7~4.8V ?
D201 voltage
drop
is near 0.3V ?
Resolder the
CN102
Battery voltage
is over 3.4V?
Charge is operating
properly
The TA can be
broken
Change other TA
then retest
Check solder
Q203 or replace it
Replace it
Waiting until
battery
Voltage goes up
to 3.4V
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Battery
thermistor value
is about 10K?
Change the
Battery
retest
No
Yes
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 ...