Chart Of Troubleshooting - Samsung GT-i8000 Service Manual

9. Flow Chart of TroubleShooting
9-1. Power On
PDA Part
'Power On'
N0
At TA600
V>3.32
11,12 Pins in U902
V11 = V12
Yes
Voltage in U903
LDO9=3.0
BUCK3=1.8
VCC_COIN=3.0
RSO=3.0
Yes
Check other Power Devices
No
Yes
No
Check U902 & Neighboring Circuit
No
Check U903 & Neighboring Circuit
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Battery Change
9-1