[1000mp] Single band (80 meters) high swr problem

[email protected] [email protected]
Tue, 30 Dec 2003 02:37:47 -0800


Hi Billy,

Thanks for the reply. See below

On Tue, 30 Dec 2003 01:41:00 -0600 [email protected] wrote:
> >Have there been known failures of the bandpass filters?
> >If so how difficult are they to repair?
> 
> I've pulled the board before ... to check the relays/etc. So that
> part is not too bad, just label your connections and such. The
> older I get, the more important that becomes! <sigh>

I know that feeling well...

> At this point, you've done a great job as to narrowing down the
> issue(s) ... it might <key word> be worth a call to Yaesu next,
> and run the situation by them ... they might have a specific idea.

Will probably do that. I've not dealt with them before. Will be interested
to see how helpful they are.

> Another option would be to pull the bandpass board and replace
> the components on the 80m section, as that's an idea that I've
> pondered before as to a cap or two that might be flaky, but tests
> OK with the DVM.

Worth trying. Will have to check to see what the cap values are.
Do you have a service manual?

> Was the 80m XMIT GAIN within specs?  <Hidden menu adjustment>

I don't know how to check this. I don't have the manual handy
is the info in there?

> 
> 73 Billy AA4NU
> 
Thanks again, very much.

cheers, Paul - VA7NT ex VE7CQK - email: [email protected]
"Those who hear not the music. . . think the dancers mad."