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Flow Chart of Troubleshooting
9-24
9-12. GSM Receiver
RX ON
RF INPUT=62CH
AMP=-50dBm
Yes
Check PAM100
pin 7(EGSMRX)
≥-65dBm
No
Resolder or Change
PAM100
Yes
Yes
END
Check U100
pin 17, 18 (EGSMRX)
≥-65dBm
>
No
Resolder or Change
U101
Check UCP200
MOD_STANDBY=HIGH
PON_PA=LOW
BAND=LOW
Yes
No
Resolder or Change
UCP200
Содержание SGH SGH-M110
Страница 28: ...Block Diagrams 7 2 7 2 RF Solution Block Diagram ...
Страница 29: ...8 PCB Diagrams 8 1 Main top view ...
Страница 30: ...PCB Diagrams 8 2 Main bottom biew ...
Страница 75: ......