SM124 fix for a screen problem

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wired
Retro freak
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SM124 fix for a screen problem

Postby wired » Tue Apr 17, 2018 9:01 am

Hi,

Does anybody has a fix for this problem I have with a SM124 monochrome screen?

Screen Shot 2018-04-17 at 10.59.11.jpg


Cheers! wired
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Notator on a 1040STF rev.B-1MB, .C-1MB & .D-2.5MB / Wired to Make Noise

susher
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Re: SM124 fix for a screen problem

Postby susher » Tue Apr 17, 2018 6:08 pm

Turn down the brightness. You're starting to see some of the fly-back artefacts.

Chandler
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Re: SM124 fix for a screen problem

Postby Chandler » Tue Apr 17, 2018 6:55 pm

Turn up the external brightness and contrast to max,

then turn down the SUB-brightness pot inside until the ghosting vanishes

Someone has turned it up too much hence you see the lines/raster

wired
Retro freak
Retro freak
Posts: 11
Joined: Tue Apr 10, 2018 4:49 pm
Location: Europe - Belgium

Re: SM124 fix for a screen problem

Postby wired » Wed Apr 18, 2018 1:18 pm

I will have a go with your comments, feedback will follow. Thanks!
Notator on a 1040STF rev.B-1MB, .C-1MB & .D-2.5MB / Wired to Make Noise

wired
Retro freak
Retro freak
Posts: 11
Joined: Tue Apr 10, 2018 4:49 pm
Location: Europe - Belgium

Re: SM124 fix for a screen problem

Postby wired » Thu Apr 19, 2018 8:56 pm

Worked like a charm Chandler, thanks!
Notator on a 1040STF rev.B-1MB, .C-1MB & .D-2.5MB / Wired to Make Noise


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