Table of Contents
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Flow Chart of Troubleshooting
7-15. DCS Receiver
RX ON
RF input : 698CH
Amp : -50dBm
Y e s
Module1 Pin8
> = -65dBm
Y e s
Module1 pin3 , pin4
> = -65dBm
Y e s
U100
D1 > = -70dBm
C1 > = -70dBm
Y e s
U100 H7, H 8, J 7, J 8
> = 1V
Y e s
Check U200
END
No
Resolder CON1, C103
No
No
Resolder C106, L104, L105
No
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Check Module1
pin9 , p in10 , p in12 = L
Y e s
Check U100
J2 , A 6 , B 6 , A 9 , E 9
> = 2 .7V
Y e s
7-30
No
Check ANT Switch
control circuit
Resolder Module1
No
Check & Resolder
U100, U709
RF26MHz , RF PSU Part
Resolder U100
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