Flow Chart Of Troubleshooting - Samsung SGH-C160 Service Manual

9. Flow Chart of Troubleshooting

9-1. Power On
Power on does not work
Yes
Check battery voltage
is more than 3.3
OK
Check the 'Vcc_SYN' of
U101 = 2.8V
Yes
Check the pin 3 of
TCX101 is clock signal
OK
Check the pin 16 of
U101 is 13M pluse signal
OK
Is Power On working?
Yes
END
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Not OK
No
Resolder PMIC or U101
Not OK
Resolder TCX101, C120
Not OK
Resolder TCX101, U101, C133, R123
No
9-1
Change battery
R124
Repeat sequence