Remote Rig
RRC 1258 Support in English => Hardware, Cabling, Installations => Topic started by: sv1gfu on 2019-06-02, 14:11:17
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I own one new Radio unit ( RRC-1258MkII ) and one old Control unit ( RRC-1258 ver 1 ) and i am trying to connect those two units with Kenwood TS-480. I already saw and fix the cable for RRC-1258 ver 1 control unit http://www.remoterig.com/v1/bilder/TS480-RRC-Radio-K6.pdf (http://www.remoterig.com/v1/bilder/TS480-RRC-Radio-K6.pdf), and i put the correct jumpers at Radio unit ( RRC-1258MkII ) and TTL is connected with control plug, and AUX/MIC with the MIC plug on my TS-480 main unit.
With this connection and the cable i fix from your design at RRC-1258 ver 1 page , i manage to turn on and control TS-480 from my old RRC-1258 ver 1 control unit, but i have strong noise when i try to transmit, The base goes to PTT mode but with a lot of noise. Please advice me what can i do in order to fix this problem of mine.
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If the codec settings are correct according to the manual, it's either the red wires which is missplaced or broken or the cables which are not OK
73 de mike
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Hello again,
I have double check the red wires and the codecs, i checked them with ohm meter and i changed all of them just in case. the problem seems to be at the wire of my RRC-1258 Ver1. Every cable that i fixed the result is the same, display works perfect, PTT is working fine and modulation works, but when i stop talking to mic with PTT pressed a strong noise pass through my modulation, I Tried different capacitors bigger than 1μF at MIC as you suggest at your design with no better result. I was using those units with an Icom 706MkIIG without any problem. Please help me find what is wrong, Is there any other cable design for my old RRC-1258 ver 1 to eliminate this kind of interference on my modulation?
Thank you for you help.
Sv1gfu
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it's difficult for anyone help who do not have access to the hardware.
Maybe it's time to replace the 10 year old box with a new one ?
You can still use the v1 box for the IC-706 that you had used it with before
73 de mike
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Hello ,
I having the same problem here with the same radio and its all new! The hume tone is very loud en i tried to chanche every cable en ferrit clambs on the cables but the sound is staying.
Sorry for the bad englisch.
Roberto.