[TechAssist] Re: Toshiba 37C40, TAC9316, interesting problem, need service manual.
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 23 Sep 2005 09:16:01 -0400
Those green thin lines throughout the picture is usually vertical
retrace lines, usually blanked out in a healthy TV. Retrace can be seen
if a certain CRT gun is set too high, or if there is a CRT internal short.
Phil
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
personal/ alt. email: pbader@xxxxxxxxxxxxxxx
see our ad at:
http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.com/
Kevin's TV Repair wrote:
>This 35" set has the green cathode shorted to ground (bright green
>picture with retrace lines). I isolated the heater circuit by using the
>flyback wrap. It worked, but the set thinks there is a problem still
>and is in what I call "error mode". The picture has a greenish tinge to
>it as though it needs to have the grey scale set up. But I have seen
>this same greenish raster in this exact TV about 4 years ago, when the
>tuner had a partial short inside. The set had the same greenish blank
>raster on every input including TV (no snow with the cable
>disconnected). With the TV on Video 1, 2 or 3, I noticed this time if I
>look at the green raster very closely, that there are green lines evenly
>spaced throughout the picture from top to bottom. This is not a gray
>scale problem, but is some sort of default error mode.
>
>Does anyone know how to disable this "error mode"? Thanks.
>
>Kevin Wilks
>Kevin's TV Repair
>Penticton BC Canada
>kevintv@xxxxxxx
>
>
>
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