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2. SGH-E600/E608 Flow Chart of Troubleshooting and Circuit Diagrams
1.Baseband
1. Power ON
Check the current
consumtion more than
100mA
Check the
Vbat(
O)
Voltage more than
3.3V
Downloader again
NO
Charge the Battery
NO
Check U100 and C108
NO
YES
YES
YES
YES
'Power On' does not
work
Check the pin
11 of U100 is more
than 2.8V
U100 pin 39
= 2.8V
U100 pin 9
= 1.8V
Check the clock signal
at
pin6 of OSC800
Freq=13MHz
Vrms°√300mV
Vpp is around
900mVpp
Check the clock generation circuit
(OSC800)
NO
'Power On' does not
work
YES
END
YES
Check U100 and C112
NO
Check C107
NO