Level 3 Repair
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8-7
8-3-1. Power On
Check the Battery Voltage
is more than 3.45V
' Power On ' does not work
Change the Battery
(Because of batt. power low)
END
No
Yes
Check the LDOs's voltage and
SMPS Voltage of PMIC(U501)
(C550, L501 > 1.1V,
C552, L500 > 1.1V)
Check the problem point (short, open, crack etc)
and If PMIC has problem, change U501
No
Yes
Check the Clock at
OSC501 that
Frequency is 32.768KHz
Check the clock generation circuit
(Re-solder or Re-place to OSC501)
No
Yes
Yes
check current consumption
>=100mA
Download SW binary again
check the initial operation
Yes
No
Yes
Check Resistance Values of
TA501, TA504.
Are the values are less than
100 ohm?
Replace capacitor or capacitors that has/have less
than 100 ohm resistance.
Yes
No
Summary of Contents for GT-I8350
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