EdgePerformance
Joined: 04 Jun 2009
Posts: 14
Location: Norway
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 Posted: Sun Sep 27, 2009 3:05 am Post subject: Transmitting problem KingBendix KY97A - DRE-244E |
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Hi,
I just got my new Sonex #0037 but there`s a problem with the COMM system. It`s installed a King Bendix KY97A COMM and a DRE-244E intercom.
The problem is that I cant transmit messages. At first I thought there was a wiring failure after seeing the horrible wiring that had been done, so I decided to take out all the wiring and start all over. I took the COMM and Intercom with me home and started making a new wire harness from COMM-Intercom and new wires to PTT`s, Headphone and Mic jacks. After to many hours with wiring and without any form for pin outs and diagrams I thought I had figured it out. But still the same problem accrued.
The only piece of diagrams I could find for the KY97A and the DRE-244E intercom was this.
http://rv.jpainter.org/docs/dre/pinouts.jpg
http://rv.jpainter.org/docs/dre/schematic.jpg
http://www.aeroelectric.com/Installation_Data/KY97A.pdf
Not very useful but some. I went through all wires and connections but I couldn't find anything wrong. I can hear my self on the headset talking on the intercom, I have music input, the intercom volume and squelch works, I can receive messages from my hand held radio, and when pushing the Pilot PTT I get a LED light up on the intercom showing there is being transmitting a message. The TX synbol on the KY97A also lights up. The hand held radio only receives some buzzing noice and not any voice message.
Any one got any ideas ? I am also very thankful for all help and if anyone has got some better diagrams for both COMM and Intercom.
Thanks ! 
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