Samsung SGH-E1107, GT-E1107 TSHOO
9. Flow Chart of Troubleshooting
9-1.
Power On
Power On'does not work
'
Check the Battery Voltage
is more than
PMU_VIO
Check the Clock at
(
Yes
3.7V
Yes
=2.8
Yes
UCP200 L16pin
CLK32K)
=32
KHZ
Yes
V?
No
No
No
Change the Battery
Check the Main Chip related to
GPIO_2.8V
V
Check the Main Chip
R210(+VGPIO
VCORE
+
Check the initial operation
)="
=1.25
END
H"?
Yes
_1.25V
V?
Yes
Yes
No
Check the related circuit
No
Resolder C202 and L201
9-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-2.
Initial
Initial Failure
Yes
UCP200 pin T4(RSTON)="H"?
Yes
U
CP2
in M4(TRST_N) or
00 p
D12(SYSRST)
="H"?
Yes
No
Replace UCP200
No
Change PBA
Check the16bit data signal
memory CE
&
END
Yes
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-3.
Charging Part
Abnormal charging part
UCP200 pin V18(VCHG)
UCP200 pin v9(AUX_DET
Yes
4.9V
Yes
or R319="L"?
Yes
>
)
No
Resolder R207
No
Resolder or Replace R319
Check the UCP200 pin R9
1.4V
≒
Yes
END
No
Resolder or Replace UCP200
9-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-4.
Sim Part
pin3 of SIM
Phone can't access SIM Card
Yes
SIM
or R208="H"
After Power ON,
Check SIMCLK Signal on
pin
200
200ina
1, 6
?
Yes
few second
No
Resolder R213, C232
No
Resolder or Replace SIM200
Yes
After SIM card insert,
SIM
pin2(SIM_RST)
200
Check the SIM Card
="
END
H"?
Yes
Yes
No
Replace PBA
9-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
VSIM_3.0V
SIM_RST
SIM_CLK
SIM_DATA
VSIM_3.0V
R213
10
SIM200
1
VCC
2
VCC
3
CLK
4
GND
5
VPP
6
I/O
7
NC
8
NC
9
NC
NC
1
C232
SIM CONNECTOR
9-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-5.
Microphone Part
Microphone does not work
UCP200 pin T18="H"
at Mic Active
Check MIC Connection
Yes
Yes
Yes
No
?
No
Resolder L308, L309, C313, C314, C315, C316,
Resolder or Replave UCP200
C317, C325, C326, C323 and R311, R314
Check the MIC
Yes
END
No
Replace the MIC
9-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Loading...