[R-390] Halloween Set

[Michael Murphy]

No Bob, Don't get going on the micro switch! That could be worse than the
ballast blast.  Mike WB2UID

----- Original Message -----
From: "Bob Camp" <ham at cq.nu>
To: <Commtekman at aol.com>; "R-390 HF Receiver List" <r-390 at mailman.qth.net>
Sent: Saturday, August 07, 2004 6:33 PM
Subject: Re: [R-390] Halloween Set


> Hi
>
> Main power to the radio is controlled by a microswitch ganged to the
> function switch shaft. It is fairly common for this little item to weld
> it's self in the on position. Last time I had a problem with one of
> these I got the parts from somebody on the list. It was either David
> Medley or Hank. The fix is not to hard except you have to unmount the
> front panel to get at the switch. It's a little time consuming is all.
> When you mount the new one you want to make sure it's snug on the mount
> so it goes full on / full off. If it gets loose it may weld again.
>
> The flashing is a bit odd. Other than the heater thermostat in the
> crystal oven I can't think of anything in the pilot light circuit that
> would cycle. You may have a bad wire from the power transformer to the
> filaments. It's P111 / J111 in the Y2K manual. You might also make sure
> the "ovens" switch on the back of the radio is set to off.
>
> Everything about these radios is fixable. I do not know of any parts
> that are in the "can't get or replace them" category. Dive on in and
> see what's wrong. They were designed to be repaired.
>
> Enjoy!
>
> Bob Camp
> KB8TQ
>
>
>
> On Aug 7, 2004, at 5:42 PM, Commtekman at aol.com wrote:
>
> > Hey Guys-
> > In one of my 'senior moments', I bought an R-390 off of Eplace, finally
> > received it, powered it up without turning it on, all the tube
> > filaments came on
> > while it was still in the 'off' position, and the dial light started
> > flashing
> > like a haunted house on halloween night. I suspect without going
> > further that
> > this has something to do with the standby or break-in being held up
> > and not
> > releasing. Ideas?
> > Tnx Bob
> > K6OSM
> > Mccall, Idaho
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