[TechAssist] Re: Toshiba 27A41 Intermittent Picture Distortion
- From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 21 Jan 2004 15:40:35 +0000
Might try changing the 3.58MHZ crystal
Peter Oliver
Tucson Radio TV
From: "Phillip R. Hull" <phil245@xxxxxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Re: Toshiba 27A41 Intermittent Picture Distortion
Date: Wed, 21 Jan 2004 09:30:01 -0500
Unplug the degaussing coil and see if it still does it.
Phillip R Hull STET
phil245@xxxxxxxxxxxxx
FAX 517--569-3075
Professional Technicians only
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 21, 2004 8:27 AM
Subject: [TechAssist] Toshiba 27A41 Intermittent Picture Distortion
> I currently have a Toshiba model 27A41 that has a very intermittent video
> distortion that is rather hard to describe and unfortunately my digital
> camera is at a different location. I will attempt to get it so I can
> hopefully get a good picture of it and post it to my website later
because
> we all know a picture paints a thousand words in a case like this. I have
> ONLY noticed this symptom on the RF input but have not yet determined if
it
> occurs using any of the video inputs (composite, component, or S-Video).
I
> am now running a DVD using composite video to see if it does occur there.
> The best way I can describe the symptom is that first I do not notice any
> audio problem at all, only the video (or raster) is affected. The picture
> will get these vertical distortion lines like it is breaking up (no loss
of
> sync though) and at that time when this occurs, there are bands of purity
> distortion that accompany the distortion. It can occur from a dead cold
> start within a minute or the set can run for hours and then act up. I
have
> been all over the board with jewlers goggles and a jewelers loupe and can
> find no cracks or bad solder. I cannot induce the symptom by tapping the
> board nor by freezing or heating it. The symptom is completely random. So
> far I have replaced the following components yet the symptom remains:
>
> Tuner (TU001)
> IC201
> IC701
> IC1501
>
> So if someone has some suggestions, I am all ears.
>
> Bob Waterman, CET® #RI-28
> Master Technician License #9109
> Service Manager / Parts Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxxxxxxx
> geminitv@xxxxxxx
> www.geminicomputertvsecurityalarms.com
>
>
--------------------------------------------------------------------------
---
> Jokes, complaints, off topics, general chat. Everything other than repair
> help problems can be found at this new list. No archives and posts will
not
> be found on Google or any other engine!To remove or join, click:
> mailto:ecartis@xxxxxxxxxxxxxxx?subject=subscribe%20chat
> Send to the list at chat@xxxxxxxxxxxxxxx once subscribed.
>
--------------------------------------------------------------------------
---
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
>
-----------------------------------------------------------------------------
Jokes, complaints, off topics, general chat. Everything other than repair
help problems can be found at this new list. No archives and posts will not
be found on Google or any other engine!To remove or join, click:
mailto:ecartis@xxxxxxxxxxxxxxx?subject=subscribe%20chat
Send to the list at chat@xxxxxxxxxxxxxxx once subscribed.
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
_________________________________________________________________
High-speed users?be more efficient online with the new MSN Premium Internet
Software. http://join.msn.com/?pgmarket=en-us&page=byoa/prem&ST=1
-----------------------------------------------------------------------------
Jokes, complaints, off topics, general chat. Everything other than repair
help problems can be found at this new list. No archives and posts will not
be found on Google or any other engine!To remove or join, click:
mailto:ecartis@xxxxxxxxxxxxxxx?subject=subscribe%20chat
Send to the list at chat@xxxxxxxxxxxxxxx once subscribed.
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
