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Flow Chart of Troubleshooting
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9-17
9-11. DCS Receiver
Yes
No
Resolder L109, L113, L110,
L112
U100
pin 13
≥
-70dBm
pin 5,6
≥
-70dBm
Yes
Resolder U100
Yes
No
Check ANT Switch
control circuit
Check U100
pin10,pin16 = L
No
Yes
No
Resolder U100, L105, C116
Yes
U100 Pin17
≥
-
65dBm
RX ON
Cell Power : -60dBm
①
U100 VCV1, VC2
≥
-68dBm
②
③
Check UCP200
END