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9. Flow Chart of Troubleshooting
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9-1
9-1. Power On
No
Not OK
Not OK
Not OK
Not OK
Check VCC_SYN_2.8V
and VDD3_1.8V of U102
Solder PMIC, U102, C126 and C127
again
END
OK
Check the pin 1 of
OSC100 produces clock
signal
Solder OSC100 again
OK
Check the pin 7 of
U102 produces 13M
pulse signal
Solder OSC100, U102 and C132
again
OK
Is Power On working?
OK
Repeat sequence
Yes
Change battery
Check battery voltage
is higher than 3.3V
Yes
'POWER ON' does not work
Содержание SGH SGH-M110
Страница 28: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 29: ...8 PCB Diagrams 8 1 Main top view ...
Страница 30: ...PCB Diagrams 8 2 Main bottom biew ...
Страница 75: ......