[TechAssist] Re: Sony KV32FS12, shuts down with 4 blinks. UPDATE & FIX
- From: "Larry E" <videotech@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 8 Apr 2005 17:41:09 -0400
Ken, I`ve got the same set on the bench with the flyback ticking, the
vertical
output in mine is STV9379 and does not look like it`s ever been changed ,
Larry E
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
----- Original Message -----
From: <gulftech@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, April 07, 2005 2:24 PM
Subject: [TechAssist] Re: Sony KV32FS12, shuts down with 4 blinks. UPDATE &
FIX
> I found an STV9379 on a junk chassis. Replaced IC502. Unit works fine.
>
> According to the data sheets, the FA should have worked. It did not.
>
>
> On Thu, 7 Apr 2005 12:11:28 -0500 gulftech@xxxxxxxx writes:
> > Techs,
> >
> > This set belongs to the shop. Would like to fix. When powered on,
> > hear
> > high voltage for a second, LED blinks 3 times, relay click, then LED
> > blinks 4 times over and over as long as power cord remains plugged
> > in.
> >
> > The following components have been replaced:
> >
> > Regulator IC601/STRF6656/874901448
> > CRT Driver IC702/TDA6108JF/875956243
> > Vertical output IC502/STV9379*
> >
> > * I notice in the bag of old parts replaced that IC502 is an
> > STV9379.
> > The one in the set is an STV9379FA. I find that Tritronics also
> > lists a
> > STV9379A. Do not know which actually belongs in the set (would
> > assume
> > the STV9379). The tech that worked on it has moved away. Wouldn't
> > remember anyway.
> >
> > Which IC belongs for the vertical output? Are they interchangeable?
> > The
> > Tritronics website does not list IC502 for that model and I do not
> > have a
> > schematic.
> >
> > Am I missing something else?
> >
> > TIA,
> >
> >
> > Kenneth Smith
> > Gulf Technical Services
> > 3034 Gulf Breeze Parkway
> > Gulf Breeze, FL 32563
> > 850-934-8324 (Voice) 850-932-0819 (Fax)
> >
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