[TechAssist] Re: Sony KV25XBR Board Needed
- From: "Luc Breton" <luc.breton@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 18 Aug 2002 14:09:36 -0400
If the RGB come on the problem is the RGB switch in front
----- Original Message -----
From: Damon <DAMON101@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, August 16, 2002 9:46 AM
Subject: [TechAssist] Re: Sony KV25XBR Board Needed
>
> I wonder if this ic has the OSD inputs and Video inputs, if so there is a
> switching pulse to blend the osd into the picture, and that could be
> crapping out on you. Normally labled as blnk.
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
> ----- Original Message -----
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, August 15, 2002 9:05 PM
> Subject: [TechAssist] Sony KV25XBR Board Needed
>
>
> >
> >
> > Make : Sony
> > Model : KV25XBR
> >
> > Still going round on this one.......IC401 (CX20100) Was thought to be
the
> > culprit. Video RGB comes in on pins 19,20 & 21 perfect. Output pins
> > 15,16,17 are Ok at first and slowly the signal degrades causing the
image
> to
> > blacken from the right , eventually sweeping the whole screen.
> >
> > Giving the IC a neat shot of cold spray brings the image back!
> >
> > Change the IC with used/hopefully good one , same problem. All other
> > voltages are spot on! No rippled or bad B+ sources!
> >
> > Another tech had mentioned having an entire "A" Board for this model.
I
> > deleted the email :-(
> >
> > Please contact me if you have this board!
> >
> > 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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