Samsung GT-I8350 Service Manual page 35

8-3-1. Power On
' Power On ' does not work
check current consumption
>=100mA
Check the Battery Voltage
is more than 3.45V
Check the LDOs's voltage and
SMPS Voltage of PMIC(U501)
(C550, L501 > 1.1V,
C552, L500 > 1.1V)
Check Resistance Values of
TA501, TA504.
Are the values are less than
100 ohm?
Check the Clock at
OSC501 that
Frequency is 32.768KHz
check the initial operation
END
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Yes
Yes
Yes
Yes
No
Yes
Yes
No
Download SW binary again
No
Change the Battery
(Because of batt. power low)
No
Check the problem point (short, open, crack etc)
and If PMIC has problem, change U501
Replace capacitor or capacitors that has/have less
Yes
than 100 ohm resistance.
No
Check the clock generation circuit
(Re-solder or Re-place to OSC501)
8-7
Level 3 Repair