Re: Sony KV-27EXR15 drop out continues

On Thu, 16 Jun 2005 07:55:35 GMT, Appreciate_It
<Appreciate@xxxxxxxxxxxx> wrote:

>On Wed, 15 Jun 2005 06:25:51 -0400, Darmok <cooncat.spam@xxxxxxxxx>
>wrote:
>
>>Hi,
>>
>>Had the set open to try a few things. Re-adjusted the G2 pot on the
>>CRT board which cleared up the cold start flashes.
>>
>>However, the sudden drop out of picture and sound continues to elude
>>me. Whilst I had the unit open, I rapped on the various PC boards
>>with the plastic end of a screw driver to try and locate a bad solder
>>joint. No drop out. I also rapped on (what I believe was) the
>>Horizontal cap on the "G" daughter board (side of case) without any
>>results. No caps looked impaired ... bulging ... leaky .. whatever.
>>
>>One thing I have noticed is, when it drops out, I CANNOT control the
>>unit with the remote. I can, however, go up to the set and push the
>>power button, and the relay inside responds. After leaving the power
>>off for a couple minutes, I can turn the set on with either the button
>>on the set, or the remote.
>>
>>Looks like whatever is causing this is causing me to lose control via
>>the remote .. but then, that returns too.
>>
>>Schematics would help, but they no longer give those with sets. (this
>>is marked manufactured in Aug. 1990)
>>
>>When it is working, this is an outstanding TV, with great picture and
>>sound. The annoying drop outs need to be diagnosed and fixed,
>>however.
>>
>>Thanks again.
>>
>>Bill
>>
>>PS .. there was 1/4" of dust inside the unit, which I vacuumed out. I
>>also replace a yoke to tube rubber support wedge which had fallen down
>>on the main board .. don't think that had anything to do with it.
>
>Bill,
>Have you tried this link? There are a lot of Sony (and others) TV
>schematics in it. http://fileshare.eshop.bg/equipment_mfg/Sony_2.html
>If you know the chassis-type of your TV, you will find a similar
>schematic which will help a lot, even though it is not your exact
>model.
>
>I noticed that they have a sony kv27exr95-anu2.rar and .r00. That may
>be almost exactly what you need. Download both files and unRar.
>
>You should also download the "Sony TV TSS Logs.rar", which contains a
>lot of service info.
>
>You do not need to register or anything. Select the file(s) you want,
>and click on it. On the following page, somewhere in the middle,
>you'll find a table:
>
>Download restrictions information:
> Limit Downloaded
>Day 50 (some number)
>Month 500 (some number)
>
>Download >> To download the file, please, click here ! << Download
>
>Just click on the "To download the file, please, click here ! " and
>save the file. In some cases, you'll need to download more than 1
>file, as the PDF file is broken down into several smaller parts.
>
>I got this link from hanging out in this group - just paying it
>forward - hope that someone else would benefit.
>
>Appreciate_It.

Thanks ... I'll give it a look!
.

Quantcast