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Flow Chart of Troubleshooting
9-23
9-13. DCS Receiver
Resolder L101, L103, L104, C106
UCP200 pin W12,W13,
W14,W15
≥
2.8V
pin 10
≥
1.8V
PAM100 Pin17
≥
-65dBm
END
No
Yes
RX ON
Cell Power : -60dBm
PAM100 pin13
≥
-68dBm
UCP200 pin
E1,D1,G1,F1
≥
0.2Vp_p
UCP200
pin E1
≥
-70dBm
pin D1
≥
-70dBm
Check ANT Switch
control circuit
Resolder PAM100
Resolder C114, C116, L108
Check & Resolder
UCP200,
C206,C207,C210,C211
Resolder UCP200
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Check UCP200
Check PAM100 pin30
= L