[1000mp] Hammer Approach to Relays

Mon, 27 May 2002 19:47:25 -0000

I suppose this approach will work---but there are a lot of relays in the
front end of that radio! And one needs to take care that tapping a good
relay next to a bad relay will unstick the bad relay but lead to a mistaken
diagnosis.

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Harold Kennedy
> Sent: Monday, May 27, 2002 17:18
> To: [email protected]
> Subject: [1000mp] Hammer Approach to Relays
>
>
> I also have what I believe are/is an intermittent relay in my MP.  It only
> malfunctions at the beginning of contests, and does this so reliably, I
> started to wonder if it was something in the configuration of my station
> (which gets changed-over from DX chasing to contesting for the weekends).
> Turns out its not the station config.
>
> I just finished the WPX trouble-free by operating the MP with the
> cover off
> all weekend, and keeping a small rubber mallot handy!  About once every
> three hours or so, a small tap on the heatsink kept the radio humming
> along.  I do have to FIX THIS however.
>
> I plan to do a lot of 'tap testing' to find the relay or circuit
> trace that
> is acting up.  I have fixed a lot of intermittents over the years by
> tapping with the eraser-end of a pencil until I found the bad component.
>
> 73,
> Hal, N4GG
>
>
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