Good evening Ken!
Excellent advice! I had forgotten about the cold solder joint problems
with the Paragon until you reminded me. I shall do as you suggest and
will report back how things progress.
Going to have to be without the rig while it is on the bench...
thanks much and 73,
ben, kd5byb
On 8/27/2011 2:53 PM, Ken Brown wrote:
> Use the schematics in the owners manual to understand the routing of the
> drive to the relay coils going from microprocessors, diode matrices,
> driver transistors or ICs, connectors and cables. Identify all of those
> things and check them carefully. Check for cracked or cold solder joints
> that could make actuation of the relays intermittent. Re-flow solder
> wherever a fault is seen. Unplug every connector used in this system
> (one at a time) and treat them with DeoxIT before plugging them back in.
> Check for connector contacts improperly seated in the connector bodies,
> and seat them properly.
>
> Do not continue to transmit with this rig until you have fixed the
> problem, lest you need to replace relays with pitted contacts.
>
> DE N6KB
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