exxos blog - random goings on

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exxos
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Re: exxos blog - random goings on

Post by exxos »

Been working on the holes.. I think they pretty damn close now...

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Re: exxos blog - random goings on

Post by PhilC »

That does look so much better. Looks like I'll have to acquire another case for the mongrel board when it's ready then.
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Re: exxos blog - random goings on

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So back to the plot...

My newly fixed up STFM motherboard, and I have just fitted the previous SEC booster to make sure things are stable before I start plugging in the next board...

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Re: exxos blog - random goings on

Post by exxos »

Version 2 cooking :)

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Re: exxos blog - random goings on

Post by exxos »

Getting better :)

Likely will remove the pots and used fixed resistors on the next version.

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Re: exxos blog - random goings on

Post by PhilC »

That jumper needs some googly eyes
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Re: exxos blog - random goings on

Post by exxos »

I've been experimenting with resistor values. Works out at like 9.5K, 400R.... or as in now, 33R 55R. Odd how the ratio changes :shrug:

In anycase, the lower resistor values seem to give a cleaner "white" colour, so I am going to stick with those. I tried 68R and while the colours are brighter, it seems to cause some odd ghosting & likely saturation. So its as bright as it can be with that resistor combo. Might not be to everyone's liking, but can't do anything else anyway.
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
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Re: exxos blog - random goings on

Post by PhilC »

And theres always the brightness adjustment on the monitor which is what I used when coming up with the values I sent you.
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Re: exxos blog - random goings on

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PhilC wrote: Tue Jun 18, 2019 5:50 pm And theres always the brightness adjustment on the monitor which is what I used when coming up with the values I sent you.
Yeah, I've got mine at 100% and its fine, but I still think it should be brighter, but could just be my crappy monitor.
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
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Re: exxos blog - random goings on

Post by exxos »

V3 PCB. Pots gone, resistors added. Also had to fix the audio connector holes (tiny bit to small :roll: )

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https://www.exxosforum.co.uk/atari/ All my hardware guides - mods - games - STOS
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
Just because a lot of people agree on something, doesn't make it a fact. ~exxos ~
People should find solutions to problems, not find problems with solutions.
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