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SGH-X140 Flow Chart of Troubleshooting
2-1-2. Initial
Initial Failure
The pin #G11 of U101 =
1.8V and
the pin #J12 of U101 =
Is the pin #K9 of U101
"Low → High" ?
There is 32.768kHz wave
forms at the C220 and
Is the pin #A4 of U101
is "High"
The voltage is "High" at
the C112,C115,C116
LCD display is O.K
Sound is O.K
This Document can not be used without Samsung's authorization
Yes
2.8V ?
Yes
Yes
C221
Yes
Yes
Yes
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
No
Check the U101
(if it has some problem, it is to be replaced.)
No
Check the U101
(if it has some problem, it is to be replaced.)
No
Check the U201
No
Check the U404
No
Check the U101
No
Check the LCD part
No
Check the Audio part
2-4
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