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SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams
5-
2
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2. Initial
The pin #G11 of U102 = 1.8V
and
the pin #J12 of U102
뵃
2.825V ?
Initialization Failure
Check the U102
(If it has some problem, it has to be replaced.)
END
No
Yes
Is the pin #K9 of U102
"Low -> High"?
Yes
Check the U302
There is 32.768kHz wave
forms at the C319 and C320
Check the LCD Part
Yes
No
No
Yes
Yes
Yes
The Voltage is "High" at the
C123,C124,C125
Check the Audio Part
No
Check the U102
(If it has some problem, it has to be replaced.)
Check the U403
The pin #A4 of U102 is "High"
Check the U102
LCD display is O.K
No
No
Yes
Yes
Sound is O.K
No