[Icom] IC751A caps mod

Wed, 30 Oct 2002 12:28:19 -0300

Bruce:

Thank you so much for the advice, I will try that first, before undertaking
the "caps" change.
Best regards.
Daniel Nieto.
CE3HRX
----- Original Message -----
From: "Bruce Marton" <[email protected]>
To: <[email protected]>
Sent: Wednesday, October 30, 2002 10:59 AM
Subject: Re: [Icom] IC751A caps mod


> Daniel,
> One little trick I have employed over the years to make the 751 continue
on
> without changing the caps is to just get in the VCO can with a plastic
> tuning stick and adjust the caps left and right to find the new range due
to
> the change in value of the cap and then set it about in the middle of the
> range.  The result is the rigs works just fine for at least another 6 or
> more months.  After that, it may need anther touch up.
> All you need is to be somewhere in the range of required voltage for the
VCO
> and the radio will work normally.
> Bruce K1XR
>
>
> ----- Original Message -----
> From: "Daniel I. Nieto" <[email protected]>
> To: <[email protected]>
> Cc: <[email protected]>
> Sent: Wednesday, October 30, 2002 8:33 AM
> Subject: [Icom] IC751A caps mod
>
>
> > I am about to do the famous repair for replacing the caps in the radio
due
> to garbled sound on LSB sometimes, until radio settles down and becomes
> usefull.
> > I just got the trimmers, caps & resistors from Icom in order to
undertake
> the repair but before doing so, given the fact is not a small undertaking,
I
> was wondering if anybody has done such repair and had some word of advice
> for me in doing so.
> > What concerns me most is changing the plastic trimmers inside the metal
> case PLL and have the radio work afterwards, since I do not know how to
> adjust those new trimmers. Is there a bird's eye view to go about this?.
> > Any suggestion/recommendation regarding this or other issue in  my 751A
> repair, will be greatly appreciated, given the fact I am on the side of
the
> world and service for old radios is not easy to come by, oddly enough, you
> can get any kind of new stuff & technology repaired.
> > I have been living with this problem for a while now, always waiting for
> the radio to settle down before using it, but it is becoming worse and
very
> annoying so I just have to do the Icom suggested fix I found on their
site,
> very common for these radios as I learned afterwards. Other than that, I
am
> very happy with my radio and would never think of selling it.
> > Best regards to all from the other side of the world.
> > Daniel Nieto.
> > CE3HRX
> >
> >
> > --- StripMime Report -- processed MIME parts ---
> > multipart/alternative
> >   text/plain (text body -- kept)
> >   text/html
> > The reason this message is shown is because the post was in HTML
> > or had an attachment. Attachments are not allowed.
> > Please post in Plain-Text only.---
> > ----
> > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > Icom Users Net: Sundays, 1700Z, 14.315 MHz
> > Icom FAQ: http://www.qsl.net/icom/
> >
>
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom Users Net: Sundays, 1700Z, 14.315 MHz
> Icom FAQ: http://www.qsl.net/icom/
>