[TechAssist] Re: Sony KV-32xbr400 chassis DX1A No Pic, sound ok

  • From: "Al L" <alleathe@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 16 Dec 2005 21:36:40 -0500

HV at the second anode?



Al's TV
Al Leatherman
973-361-5796
----- Original Message ----- 
From: "Moutons Electronics L.L.C." <moutons@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, December 16, 2005 9:26 PM
Subject: [TechAssist] Sony KV-32xbr400 chassis DX1A No Pic, sound ok


> This TV came in with the complaint it was out. I played it for a week and 
> it played just fine until today. It came on the light flashed several 
> times like it always does during the warm-up of the picture tube then 
> stayed on at which time it would usually pop on the picture, ofcourse this 
> time it didn't. I thought it was out for a moment till I turned up the 
> volume and it had sound. I look in the back and it had filament. So I 
> don't know if the customer missed that or not so I am going with what I 
> found. Every time I turn it on now I get no pic.
> I had a good picture, although not a new picture for this 5 yrs old set, 
> it was good. Could this Sony be blanking the video like when the tube 
> ages. I don't get the usual flashes of video like older ones. This is a 
> Hi-Resolution model, never worked on one of these, no diagram. Is there a 
> known way to defeat the IK circuit on these to see if I can get a picture? 
> Does anyone know of a good way to troubleshoot this model for this 
> problem?
>
> On older models you are able to turn up the screen to get the picture to 
> override the IK circuit for a while but on this set I have varied the 
> screen all the way up and down and all points in between and have no luck 
> on getting a picture.
>
>
> Jason
> Moutons Electronics
>
>
>
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