Chart Of Troubleshooting - Samsung GT-S3600L Service Manual

9. Flow Chart of Troubleshooting
9-1. Power On
' Power On ' does not work
Check the Battery Voltage
C325(VISA) = 2.7V?
C333(+VDD_IO_LOW) &
C308(+VDD_IO_HIGH) = "H"?
C334(+VDD_GSM_CORE)
Check for the clock at
Check the initial operation
Yes
is more than 3.4V
Yes
Yes
Check the Clock at
C318=32KHZ
Yes
Yes
= 1.9V?
Yes
C141
= 26MHz
Yes
Yes
END
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No
No
Check the PMU related to VISA
No
No
Check the related circuit
No
Check the +VDD_GSM_CORE circuit
No
Check the clock generation circuit
9-1
Change the Battery
Resolder OSC300
(related to OSC100)