[TechAssist] Re: Sony KV25XBR Video goes dark

Hi Jeff,

Yeah, we've seen the finger symptom, and the video jungle was at fault.
Damon Brunger
damon101@xxxxxxxxxxxxxx
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, July 30, 2002 6:50 AM
Subject: [TechAssist] Re: Sony KV25XBR Video goes dark


>
> Not sure what this looks like but did you ever see a picture with a open
> 200V source cap. this has dark fingers across the screen. Just a thought.
> al marquardt
> ampm@xxxxxxx
>
>
> ----- Original Message -----
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, July 30, 2002 7:40 AM
> Subject: [TechAssist] Sony KV25XBR Video goes dark
>
>
> >
> >
> > Make : Sony
> > Model : KV25XBR
> > Problem : Video looks good fro the first couple minutes but then slowly
> > fades to a darker image.  Blackness slowly creeps in from the sides (
Like
> > fingers !)
> >
> > We've seen a few of these over the years with the classis bad solder at
> the
> > delay line ( Causing int. dark pic....vibration sensitive).  G2 line is
> > good.  Checked R701 per tip in Winstips
> >
> > Set is at customers house & we stopped by yesterday for a quick check
but
> > we'll be going back today to check more items and/or pickup to bring to
> > shop.
> >
> > Seems like a jungle CXA jungle IC type failure , but not sure if this
> model
> > uses one like the later models do.
> >
> > Any ideas or notes would be helpful to flip this set quickly are
> > appreciated!
> >
> >
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 125 Beech Tree Lane
> > Westbrook, CT 06498
> > 860-399-1861
> > 860-664-3535 (fax)
> > jstielau@xxxxxxxx
> >
> >
> >
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