The Radio Information Board

Hello,anybody know where I can find a service manual for the RH256NB radio? I have one that just went down.The problem is no receive and when you key the mike the "ant" is underlined on the display and will not transmit.Cable,antenna,and connectors are all new. Thanks

I placed it in program mode,showing pg on the display. I'm using com 1 and it has been working fine with another radio cable and radio that I have been using. I haven't tried it on my other 730 yet,because I was afraid it might mess it up. I will have to try it on the other 730 asap. When the progra...

Hello everyone. I am having a problem programming my tk 730.I am using the KPG7D software and it will not read from the radio. When I hit the function to read it,the "progress box" shows block and will not read the radio or write to the radio. I am using the radio programming cable from a ...