[Drake] TR-7 Problem Addenda

Sat, 29 Dec 2001 17:53:27 -0800

With cover off:
(1) re-heat / solder row of ten connector pins on back side of digital
readout board.
In back of U9003 and by Q9004.  Located in upper left corner.
Digtal Readout is bottom Right
Want to open TX forWARC?  I have the modification. 73, Ron, W2WU
----- Original Message -----
From: w2wurjj <[email protected]>
To: <[email protected]>
Sent: Saturday, December 29, 2001 13:49
Subject: Re: [Drake] TR-7 Problem


> (1) When cleaning contacts ... clean them with pencil eraser.
> (2) Another move: Exercise the counter switch on the back panel.
> ----- Original Message -----
> From: Fredric J. Einstein <[email protected]>
> To: <[email protected]>
> Sent: Saturday, December 29, 2001 09:57
> Subject: RE: [Drake] TR-7 Problem
>
>
> > Before doing anything drastic, I'd open it up, take off the shield, and
> > reseat all of the boards including the digital board.  See if it's
> > simply a contact problem.
> >
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]]
> > On Behalf Of David M. Nance
> > Sent: Saturday, December 29, 2001 9:43 AM
> > To: [email protected]
> > Subject: [Drake] TR-7 Problem
> >
> > I've been enjoying my "new" TR-7 for the last three months.  However,
> > this morning while having a QSO on 75 the digital display went blank and
> > now it won't transmit or receive.  My suspicion is the power supply
> > board in the transceiver, since the FA-7 fan still works and the meter
> > and analog dial lights are still working.
> >
> > If this helps, the TR-7 did the same thing a few days ago, but only for
> > a split second.  I suspected then I was going to have problems.
> >
> > Since I have had little experience with the TR-7, I thought some of you
> > on the list might have some ideas as to where I should start looking.
> > All of my service experience has previously been on tube rigs.
> >
> > Thanks,
> >
> > David Nance - W4SSE
> > [email protected]
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