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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-21
9-13. GSM Transmitter
U101 pin 11,12
16,17,32,33>=2.8V
Yes
Resolder U101
Check UCP200
END
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Check & Resolder RFOLP
signal, RF13MHz,
RF PSU Part
Check +VBAT or PAM
control signal
Yes
U101 pin 4,5,6,7
>= 1V
Resolder or Change PAM100
Check ANT Switch
control circuit
Change or Resolder
L101,C111,C121
PAM100 pin18
<= -11dBm
PAM100 pin12
>= 18dBm
F100 pin10
>= 18dBm
Check F100
pin9=L,
pin11=H(2.6V)
TX ON (5Level)
Resolder RFS100,C103,L106
F100 Pin13
>= 20dBm
Summary of Contents for SGH-E200
Page 31: ...8 PCB Diagrams 8 1 Top ...
Page 32: ...PCB Diagrams 8 2 Bottom ...