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Flow Chart of Troubleshooting
9-24
9-14. DCS Receiver
Resolder RFS100, L100, L101, L102,
C103, C181
U103 pin
4,6,7,12,26,32,34
≥
2.8V
PAM100 PIN15
≥
-65dBm
END
No
Yes
RX ON
Cell Power : -60dBm
F102 PIN 6, 7
≥
-68dBm
U103 pin 6, 7, 8, 9
≥
0.2Vp_p
U103
pin 15
≥
-70dBm
pin 16
≥
-70dBm
Check ANT Switch
control circuit
Resolder F102
Resolder C121, C122, L108
Check & Resolder
C127,C128,C138
Resolder U103
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Check U200
Check F102 PIN1 =
L