[TechAssist] Re: Using a 27" panasonic chassis with a 31" Panasonic picture tube.
- From: "Teltek3" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 13 Jul 2003 09:34:38 -0400
Kevin;
I would presume that if the picture is bright enough without over driving
the tube it should work. Although I believe Yoke impedance is going to be
different. If it doesn't put excessive demands on your Horizontal Output,
you might get away with it. I would suggest to let it run for a day with the
cover on. Also keep an eye on the Regulator for heat. Certainly not a
recommended way of solving problems, but...nothing ventured nothing
gained..;-)
-Ed-
Q§
----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Sunday, July 13, 2003 6:59 AM
Subject: [TechAssist] Using a 27" panasonic chassis with a 31" Panasonic
picture tube.
> On the suggestion of another technician, I have installed a YANEDP218
> chassis from a 27" Panasonic TV, into a 31" Panasonic (that came with a
> YAMEDP214 chassis) frame and picture tube. Both these sets are
> manufactured in 1992. As mentioned before, there are 8-10 different
> parts in the horizontal section, including the flyback that I was going
> to change over. Instead of doing all that work, the other tech
> suggested to just swap the chassis'. The picture and geometry look as
> good as it did with the 27" picture tube. The only difference that I
> can measure so far is the HV is 29.4 kV instead of 31.0 kV. What
> difference would this lower HV make? Would it make the picture tube
> fail more quickly, or would it make it last longer? Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
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