[TechAssist] Re: Magnavox FP5230W104
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, techassist@xxxxxxxxxxxxx
- Date: Mon, 28 Feb 2005 21:11:28 -0800
the Coolant contamination I'm talking about is actually in the Picture
tube's coolant chamber,under the Lens.
Look down inside through each tube's Lens,and see if the Blue and Green are
much more 'cloudy' than the Red
Peggs
At 02:30 PM 2/28/05, Paul wrote:
>The board is mounted on it's side in fact all the boards are vertical
>mount.Nothing but cabinet floor under CRTs. So that eliminates coolant
>contamination. I can check them if I can get the number of the tube. Can't
>see it on the tube. Seems pretty unlikely that they are bad but I would
>like to check them.
> Paul
>peggs <peggs@xxxxxxxxxxxxx> wrote:
>boy that sure sounds like coolant contamination.
>If not,and all the Voltages are the same,as compared to the RED,scope the
>Video input.......you may have a couple of bad tubes,can you check them ???
>
>Peggs
>
>At 01:15 PM 2/28/05, Paul wrote:
> >I posted this a week or so ago. It has very dim green and blue and very
> >bright red crts. I have replaced the green crt bd with the red bd and it
> >is still very dim. Checked the voltages on the crt bd that are marked and
> >they are all normal. Adjusting screen controls has no effect. Could use
> >pdf of main board. Most every thing is on it, or the crt generic part
> >number.
> > Don't work on many of these but this main board looks a lot like one
> > that I worked on a year or so ago that Magnavox wanted $700.00 for. No, I
> > didn't buy it, I repaired it.
> >
> >Paul
> >
> >Paul ,B
> >Central TV&Video
> >911W Grand Ave
> >Grover Beach Ca.
> >(805)481-8084
> >
> >
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>Paul ,B
>Central TV&Video
>911W Grand Ave
>Grover Beach Ca.
>(805)481-8084
>
>
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