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Flow Chart of Troubleshooting
9-3
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9-1-2 : Abnormal initial operation (4.0V voltage source)
Press
PWR KEY
32KOUT is
exit?
Check OSC600 and
neighboring circuits
C671 voltage level
= 1.1~1.3V?
Check L600 and
neighboring circuits
NO
NO
YES
YES
C673 voltage level
= 1.8V?
Check L608 and
neighboring circuits
NO
YES
TR501 pin3
output is aserted?
U401 pin4
output is aserted?
Check TR501
and neighboring circuits
Check U401
and neighboring circuits
NO
NO
YES
YES
END
Содержание SGH-i560V
Страница 41: ...7 Block Diagrams 7 1 7 1 Main Block Diagram ...
Страница 42: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 43: ...8 PCB Diagrams 8 1 Main top view ...
Страница 44: ...PCB Diagrams 8 2 Main bottom view ...