Troubleshooting.pdf
(
3544 KB
)
Pobierz
E:\User Guide\SVC MANUAL\수출 SV...
10. Flow Chart of Troubleshooting
10-1. Power On
' Power On ' does not work
Yes
Check the current consumption
Yes
Current consumption
>= 100mA
No
Download again
Yes
Check the Battery Voltage
>=3.3V
is more than 3.3V
No
Change the Battery
Yes
Check the TP_PSHOLD
is high?
No
Check the ON_SW Voltage Level
Yes
Check the PMIC output
voltage
(C419, C424, C428, C429,
C430, C431)
No
Check the U400
Yes
Check the Pin 1 of
TCX200 Produces clock
signal
R307=32KHz
No
check the TCX200
Yes
Check the initial operation
Yes
END
10-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-2. Sim Part
"Insert SIM" is displayed on the LCD
Yes
Check the SIM connector's
(SIM400) connection to
SIM card
No
Resolder or change
SIM400
Yes
Check the voltage at pin#1
of SIM400 = 3.0V (High) ?
No
Check the
U400(VSIM_3.0V)
Yes
No
Is there any signals
pin#2,#3,#4 of SIM400 ?
Check the
U400
Yes
Check the SIM Card
Yes
END
10-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-3. Microphone Part - Phone MIC
Phone MIC does not work
Yes
Check the connection
of MIC(AU500)
No
Resolder MIC(AU500) again
Yes
Check the components
which are connected to
MIC_BIAS
No
Resolder R516
Yes
No
Check the circuit
of MIC PATH
Resolder L500, C540
Yes
No
Is Phone MIC(AU700) Working?
Check the path
around MIC_BIAS circuit
or replace
a
microphone
Yes
END
10-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Plik z chomika:
misiekyo
Inne pliki z tego folderu:
Troubleshooting.pdf
(3544 KB)
Product Specification.pdf
(1239 KB)
Part List.pdf
(49 KB)
Exploded View.pdf
(2367 KB)
Electrical Part List.pdf
(61 KB)
Inne foldery tego chomika:
_E2P, Eeprom
2100
470
600
800
Zgłoś jeśli
naruszono regulamin