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[TV] Re: Sony KV-27S40 with 4 blinking code FIX
fix was to change HOT and reg MX0541 and fuse resistor 0.47 ohms , redone
all solder around HOT circuit , TV is running perfectly now .
Gaëtan
ATV (aka: Techno Logik)
Terrebonne , Que.
>From: Gaëtan B <techno57@xxxxxxxxxxx>
>Reply-To: tv@xxxxxxxxxxxxxxx
>To: tv@xxxxxxxxxxxxxxx
>Subject: [TV] Re: Sony KV-27S40 with 4 blinking code
>Date: Fri, 28 Jul 2006 18:59:25 -0400
>
>
>Paul and all tech , I've been working on this one a few moments today , and
>found shorted HOT 2SC5426 , bad reg (kind of twin transistors in same
>package) MX0541 , also open fuse resistor 0.47 ohms just in front of mx0541
>...
>Parts ordered , and waiting.
>Is there something else I should be awared of ??
>
>TIA
>
>Gaëtan
>ATV (aka: Techno Logik)
>Terrebonne , Que.
>
>
>
>
>
> >From: Paul Beale <bealepaulw@xxxxxxxxx>
> >Reply-To: tv@xxxxxxxxxxxxxxx
> >To: tv@xxxxxxxxxxxxxxx
> >Subject: [TV] Re: Sony KV-27S40 with 4 blinking code
> >Date: Fri, 28 Jul 2006 08:16:00 -0700 (PDT)
> >
> >
> >Hi Gaetan,
> > Four blinks is vert, but if horiz is not
> >running it's the problem. If you have regulated B+
> >at the horiz output but the horiz osc. is not
> >working there may be no drive from the jungle LSI
> >chip.
> >You can verify that with your scope at turn on.
> >I have seen a few with this problem.
> >Paul
> >Morrell Electronics
> >Farmington,MI
> >
> >
> >
> >
> >
> >--- bobby pepito <atpepito@xxxxxxxxx> wrote:
> >
> > >
> > > check your ABL circuit
> > > al m <ampm@xxxxxxx> wrote:
> > > 4 blinks doesn't point to the vertical section. If
> > > the horizontal isn't
> > > running the vertical can't run as it's B+ is usually
> > > off the flyback.
> > > Al Marquardt
> > > ampm@xxxxxxx
> > > Al Marquardt Electronic Repair
> > > 206 W Main
> > > Girardville Pa. 17935
> > > ----- Original Message -----
> > > From: "Gaëtan B"
> > > To:
> > > Sent: Thursday, July 27, 2006 6:59 PM
> > > Subject: [TV] Sony KV-27S40 with 4 blinking code
> > >
> > >
> > > >
> > > >
> > > > this Sony KV-27S40 is dead , showing 4 blinking
> > > code (vertical)
> > > >
> > > > Vertical IC being changed (tda8172). caps been ESR
> > > good , solders checked
> > > > ,
> > > > yoke ringed .
> > > > What I am missing , or what should I look for ??
> > > >
> > > >
> > > > Gaëtan
> > > > ATV (aka: Techno Logik)
> > > > Terrebonne , Que.
> > > >
> > > >
> > >
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