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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-3
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PHONE Part
`
TP10026 Pin in U10007
LOW
Phone on
4 Pin in U502
Low
Check U10007 & Neighboring circuit
Check U502 & Neighboring Circuit
Yes
No
No
Yes
Check U601& Neighboring Circuit
Output PWR
U601
O.K?
No
No
Yes
Check OSC300 & UCP 10000
Neighboring Circuit