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Cobra 148GTL DX+ Receive Prob.

Rogerbird1

Well-Known Member
Apr 24, 2002
522
117
53
Massachusetts
rogerbird.tripod.com
Anyone know where to look on a Cobra 148gtl DX+ that has No Receive, Xmit and Xmit Audio is fine, also it appears that the RX

is not switching over because the TX light is always RED and it seems to throw a carrier on SSB with out being keyed, But not on AM.

Also the RX meter shows nothing with an input signal.



It had a few mods done to it, and was missing several transistors(now replaced) Q33, Q30.

Also Q39 was in Bkwds..



Any Ideas?



Roger






</p>Edited by: <A HREF=http://pub86.ezboard.com/bworldwidecbradioclub.showUserPublicProfile?gid=rogerbird1>Rogerbird1</A> at: 11/9/03 11:04 pm
 

Anyone know where to look on a Cobra 148gtl DX+ that has No Receive, Xmit and Xmit Audio is fine, also it appears that the RX

is not switching over because the TX light is always RED and it seems to throw a carrier on SSB with out being keyed, But not on AM.

Also the RX meter shows nothing with an input signal.



It had a few mods done to it, and was missing several transistors(now replaced) Q33, Q30.

Also Q39 was in Bkwds..



Any Ideas?



Roger






</p>Edited by: <A HREF=http://pub86.ezboard.com/bworldwidecbradioclub.showUserPublicProfile?gid=rogerbird1>Rogerbird1</A> at: 11/9/03 11:04 pm
 

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