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SGH-S342i Flow Chart of Troubleshooting
2-
2
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2. Initial
Initial Failure
The pin #G11 of U100 =
1.5V and
the pin #J12 of U100 =
2.825V ?
Check the U100
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #K9 of U100
"Low
→
High" ?
Yes
No
Check the U100
(if it has some problem, it is to be replaced.)
There is 32.768kHz wave
forms at the C214 and
C215
Yes
No
Check the U200
Is the pin #A4 of U100
is "High"
The voltage is "High" at
the C113,C110,C119
Check the U100
Check the U700
LCD display is O.K
No
No
Yes
Yes
Yes
Check the LCD part
No
Sound is O.K
Yes
No
Check the Audio part
END
Yes