[TechAssist] Re: Magnavox FP5230W104

And your G2/Screen controls will not increase your Green and Blue ??? (you 
DID say all voltages on the CRT PCB's were good ???)

Peggs


At 04:10 PM 2/28/05, Paul wrote:
>I have taken the lens off of all the crts. I can see the phosphor coating 
>on the face of the tube just fine there is nothing growing in the coolant 
>of the red and green crts.and the snowy raster is clear when turned on. 
>There are some traces of algae in the blue coolant, but I have seen worse 
>without causing the symptom that I have. I am going to take the fluid out 
>of blue crt and clean it. That will confirm one way or the other whether 
>the amount of contamination is causing the problem or not.
>
>
>Gary Pahls <bec@xxxxxxxxx> wrote:
>Seen this a thousand times, it's always the fluid. Take the screen off,
>look directly into the tubes with a flashlight and the set off, if the fluid
>is not clear then it's contaminated. Compare the left or Blue tube (looking
>at it from the front) to the right or red tube, they should look the same.
>You can't always tell with the green tube because most of them have tinted
>lenses.
>
>Gary Pahls
>Beloit Entertainment Center
>bec@xxxxxxxxx
>----- Original Message -----
>From: "Paul"
>To:
>Sent: Monday, February 28, 2005 3:15 PM
>Subject: [TechAssist] Magnavox FP5230W104
>
>
> > 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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