[TechAssist] Re: Sony KV-27TS27 video input not working, intermittent snow with hourglass shape
- From: valleytv@xxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 26 Feb 2003 08:55:50 -0800
Kevin:
I had a problem with this model a couple of months ago.
The symptom was: won't switch to video , shows tv video on tv and video
functions. Audio also was distorted. I worked on the video problem for several
days and was not getting anywhere. Should have replaced the SBX1637-11
module first. When I replace the MPS module it also cleared up the
video switching problem. The only explanation I have is that the audio
module must have been shorted and dragged down supply voltage possibly also
used for video switching
Ernie Niessen
Valley TV & Stereo
Chilliwack, B.C.
Quoting Kevin <kevintv@xxxxxxx>:
> Hi fellow techs,
>
> This 27? Sony TV appears to have 2 unrelated problems. First problem:
> The Video Input is not working. When you are watching a cable channel
> and switch to Video, the TV stays on cable for the picture but does
> switch the audio over to the audio input.
>
> Second problem: Picture goes to snow like the cable has been
> disconnected, then pulls in from the sides in a pincushion shape. Set
> does this several times before it finally ?locks? in to a perfect
> picture. I have repaired these sets for bad tuners and sound modules,
> but never these problems. TIA
>
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
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