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4. TROUBLE SHOOTING
Check the Contact of
Check the Following Pins
Logic Level of Pin3 of
Phone will Power On
START
Battery Voltage
> 3 .35 V
Yes
PowerKey or Dome
Yes
of U102
V ?
C 113
= 1 .8
75 V ?
=
.
C 121
2
?
C 114 = 2
.8
V
?
.
C 115 = 1
8 V
Yes
D101 = HIGH?
Yes
Charge or Change
No
Battery
No
Change Dome
No
Replace U 102
No
Redownload Software
16
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