[1000mp] MKV RX Relay Problem

[Paul Baldock]

At 02:53 PM 12/28/2005, Garry Shapiro wrote:
>Symptoms initially were gone, but reappeared within two years, although not
>as frequently, and they are present now.
>
>
>Good luck with solving your problem. I would also like to know which relay
>is involved.

For me the problem does not occur on a TX/RX changeover. It occurs on 
an RX ANT / ANT A changeover. Doing a TX/RX so far always fixes it.

Its probably RL1002 which is an ATX203 on the RF Unit, although I'm 
not sure why momentarily going TX/RX fixes it. It's also possible it 
could be RL6451 which is a TC-112NV

It sounds like from your description that if I fix it by changing the 
relay for the OEM one that it will come back. Maybe there is a better 
relay to use for "dry circuit" that's pin for pin. A Google search 
does not locate their relay specs.

I did come up with an external band aid fix for it today. This will 
apply 12V through a 330 Ohm resistor and 1mH choke permanently to the 
ANT A input. The 25-30mA of DC current seems to keep the contact clean.

73

Paul - KW7Y