SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-4
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PHONE Part
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2 Pin in D300
Low
Phone on
4 Pin in U201
Low
Check UME201& Neighboring circuit
Check U201 & Neighboring Circuit
Yes
No
No
No
Yes
Yes
3 Pin in D300
Low
Check D300
Check U301& Neighboring Circuit
Output PWR
U301
O.K?
No
No
Yes
Check OSC102 & UCP 600
Neighboring Circuit