Green stain in BVM-A20F1M

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PeterWar
Posts: 104
Joined: Wed Jul 13, 2016 2:17 am

Green stain in BVM-A20F1M

Post by PeterWar »

Hello everyone,

This week, I noticed a green stain in the top right part of my BVM-A20F1M monitor, the screen is perfectly cleaned and the stain is not going away, the monitor has about 17.000 hours of use so it's quite new. The stain is present on different consoles with diferent games so clearly it's a monitor problem.

Find attached picture about the issue below, what's going on?

Image
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nem
Posts: 934
Joined: Wed Feb 16, 2005 8:26 am

Re: Green stain in BVM-A20F1M

Post by nem »

Have you tried degaussing?
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Guspaz
Posts: 3242
Joined: Tue Oct 06, 2015 7:37 pm
Location: Montréal, Canada

Re: Green stain in BVM-A20F1M

Post by Guspaz »

Try degaussing using the internal coil a few times, then try degaussing using an external coil, and if that fails, you can always open it up and tape some magnets to the tube, which is what I had to do for my L2.
PeterWar
Posts: 104
Joined: Wed Jul 13, 2016 2:17 am

Re: Green stain in BVM-A20F1M

Post by PeterWar »

Guspaz wrote:Try degaussing using the internal coil a few times, then try degaussing using an external coil, and if that fails, you can always open it up and tape some magnets to the tube, which is what I had to do for my L2.
Will try degaussing today, I though the BVM was automatically degausing everytime I pluged it in though. Are there any cheap external coil I could buy in Europe?
xga
Posts: 205
Joined: Thu Jun 04, 2015 12:59 am

Re: Green stain in BVM-A20F1M

Post by xga »

I had to fix the same issue on my A20F1 tonight.

Try modifying the value of the "Landing Adjust" setting under the "Installation Settings" menu. Note the current setting before adjusting it, just in case you have to restore it back to its original value.

If that doesn't work, then manually modify the "Digital Uniformity Adj" setting for that top right hand corner. You use the number keys to position the cursor.
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