[TechAssist] Re: Sony KV25XBR Board Needed
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 16 Aug 2002 08:46:55 -0500
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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