Initial - Samsung SGH-E690 Service Manual

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Flow Chart of Troubleshooting

9-2. Initial

Is U400 RSTON is HIGH?
Is UCP200 R203, R204
Check the 16bit data signal & memory CE
Initial Failure
Yes
Yes
=2.8V?
Yes
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Check the circuit related to reset
No
9-4
Check the UCP200

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