Samsung SGH-E390 - Initial

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Flow Chart of Troubleshooting
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9-3
9-2. Initial
TP224 (RSTON) ="H"?
Initial Failure
Check the circuit related to reset
END
No
Yes
Is U304 pin 4
OK?
Yes
Yes
No
Check the UME300
Check the 16bit data signal
&memoryCE
Yes