Dcs Receiver - Samsung GT-E2121B Service Manual

9-13. DCS Receiver

RX ON
RF INPUT=698CH
AMP=-50dBm
Yes
Check PAM100
pin 17(DCSRX)
≥ -65dBm
Yes
Check UCP200
pin E1, D1 (DCSRX)
≥ -65dBm
>
Yes
Check UCP201
MOD_STANDBY= "HIGH"
PON_PA= "LOW"
BAND= "HIGH"
Yes
END
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No
Resolder or Change
PAM100
No
Check C117, C122 and L102
Not ok
Resolder or Change
F100
No
Resolder or Change
UCP201
9-25
Flow Chart of Troubleshooting