Flow Chart of Troubleshooting
9-17
9-2-3. PCS Rx
CONTINOUS RX ON
RF INPUT : 661CH
AMP : -50dbm
Normal condition
catch the channel ?
Check PAM100
pin #12
≥
-65
dbm ?
Check UCD101
pin #31,32
≥
-65dBm ?
Yes
No
No
Check PAM100
pin #20
≥
-65
dbm ?
Yes
No
Yes
Check ANT,
C126, L102
Check and resolder or change
RFS100, C101, L104, C111, L103, C199
Resolder or change
PAM100
Check and resolder or change
C117, F103, L106, C122, C125
Resolder or change
UCP200
Check UCD101
pin#13 = 2.9V?
Yes
Resolder or change
UCD101
Yes
No
No
1
2
3
4
5
Содержание SGH-C266
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