[TechAssist] Re: Sony Tuners

  • From: "Larry Poffen" <lpoffen@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 28 May 2004 19:27:11 -0500

That is what I did & it created more problems,  I went over it with a 10 pwr
glass & all looks good.   Have ordered a tuner for it.

Larrys TV Service
Broken Arrow OK 74011
phone 918-455-1041
Fax 918-451-4485
e-mail lpoffen@xxxxxxx
----- Original Message ----- 
From: "Jim Shupe" <jim@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, May 28, 2004 3:56 PM
Subject: [TechAssist] Re: Sony Tuners


> Larry...
>
>   Why not resolder the main tuner and reinstall it?
> I find that most Sony tuning problems I see are caused
> by fatigued solder in either the tuner(mostly bad
> grounds to the tuner body) or the IF/AGC/AFT(mostly
> dry joints at coil pins).
>
>   Jim Shupe, CET
>   Lloyd's TV
>   Yucca Valley, CA
>
> --- Larry Poffen <lpoffen@xxxxxxx> wrote:
> &gt; I am working on a Sony KV-32XBR45 set.  It came
> in
> &gt; intermittent. Pix would
> &gt; flash &amp; go off with sound doing likewise for
> about
> &gt; 10 minutes, then seem to
> &gt; work ok.  Found that tapping on main tuner would
> &gt; simulate problem.  Main
> &gt; tuner is a 8-598-254-40  &amp; sub tuner is a
> &gt; 8-598-047-01.  After removing the
> &gt; "A" board &amp; tuner &amp; reordering
> connections I now
> &gt; have a permanent no pix or
> &gt; sound , just snow &amp; garbage.  Will any other
> tuner
> &gt; sub for the main unit?
> &gt; Does anyone know if a 8-598-431-00  will sub for
> the
> &gt; main tuner?  I have a
> &gt; good one of these.   Thanks   Larry
> &gt;
> &gt; Larrys TV Service
> &gt; Broken Arrow OK 74011
> &gt; phone 918-455-1041
> &gt; Fax 918-451-4485
> &gt; e-mail lpoffen@xxxxxxx
> &gt;
> &gt;
> &gt;
> &gt;
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