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SAMSUNG Proprietary-Contents may change without notice
SGH-E700 Flow Chart of Troubleshooting
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7-
20
15. DCS Transmitter
F101 Pin8
>= 13dBm
Resolder RFS100, C100
TX ON (5Level)
Check F101
pin11 = L,
pin2 = H (2.68V)
F101 pin3
>= 13dBm
PAM100 pin11
>= 13dBm
VCO101 pin5
>= 12dBm
PAM100 pin1
>= 15dBm
Change or Resolder F101
Check ANT Switch
control circuit
Resolder L106, C115
Resolder R100, R103, R104
U101 pin5, 6, 7, 8
>= 500mV
Yes
Check PAM100
+VBATT, pin4, 7
OK?
Resolder or Change PAM100
Check +VBATT or PAM
control signal
Check U100
pin 26>=-20dB
& pin11>=2V
heck & Resolder RFLO
signal, RF13MHz,
RF PSU Part
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
END
Check UCP200
Check U100 pin
2,12,4,23>=2.7V
OK?
Resolder U100
Yes
No