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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-4
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z
PHONE Part
`
2
PininD300
Low
Phone on
4
Pin in U201
Low
Check UME201& Neighboring circuit
Check U201
&
Neighboring Circuit
Yes
No
No
No
Yes
Yes
3
PininD300
Low
Check D300
Check U301& Neighboring Circuit
Output PWR
U301
O.K?
No
No
Yes
Check OSC102
&
UCP
600
Neighboring Circuit