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  1. This is how I make my model 2 cables: ...

    This is how I make my model 2 cables:

    http://mastersystem.dk/modding/rgb/md2_32x_nomad_rgb_2.png

    As Ryoandr and lumclaw has pointed out, you need a DC/DC charge pump converter between the 5v...
  2. Nope. SCART cables are (normally) only RGB and/or...

    Nope. SCART cables are (normally) only RGB and/or Composite Video.

    That box converts Component Video (YPbPr) to S-video and Composite Video. RGB and YPbPr are not the same.
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    CE1, 3, 4 and 6 sit right in the middle of the...

    CE1, 3, 4 and 6 sit right in the middle of the sound amplification circuit. It makes sense that it introduces noise when you touch the metal casing of those. I would say that it's normal, but I could...
  4. D1 is a part of the reset circuit, and D2 works...

    D1 is a part of the reset circuit, and D2 works as protection against reverse polarity at the input of the voltage regulator :)
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    Yes, the reset button on model 2s almost always...

    Yes, the reset button on model 2s almost always die at some point.
  6. Voltage doesn't flow, current does ;) This is...

    Voltage doesn't flow, current does ;)

    This is from the service manual:
    http://www.mastersystem.dk/stuff/pics/md_led.png

    The LED sits between VCC (+5v) and GND with a 120 Ohm current limiting...
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    I believe in randomness and order. The coldest...

    I believe in randomness and order.

    The coldest possible temperature in the universe is -273.15 degrees Celsius and the hottest possible temperature is 1.417*10^32 degrees Celsius (as far as we...
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    Don't think so. I haven't been able to find any :(

    Don't think so. I haven't been able to find any :(
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    http://www.videogameperfection.com/2014/09/29/bypa...

    http://www.videogameperfection.com/2014/09/29/bypass-picture-perfection/ :D

    There's a schematic in the last comment.
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    I fooled around with source ports in the past,...

    I fooled around with source ports in the past, but I tend to enjoy playing the original exe-files a lot more. Guess it's just nostalgia.
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    Love playing Doom. It still has one of the most...

    Love playing Doom. It still has one of the most satisfying weapons arsenals in any FPS, and it's just really, really well designed. Also love Dark Forces, Duke Nukem 3D and Outlaws. Blood is okay,...
  12. The +9v is used in the official Saturn RGB SCART...

    The +9v is used in the official Saturn RGB SCART cables. In a SCART connector you need between 9(?) and 12v on pin 8 to get automatic AV-switching, and c-sync is not needed since it's being stripped...
  13. Don't have a link, but I have a scan of a PAL...

    Don't have a link, but I have a scan of a PAL Saturn service manual (one of the scans omp did). It says that c-sync comes from pin 86 on IC14 (VDP2, 315-5690) and goes to pin 10 on the CXA1645 via a...
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    I agree to some extent, but "hate" is a big word....

    I agree to some extent, but "hate" is a big word.

    The way I see it, Tim Worthington already made the perfect video-solution for the NES when he introduced the NESRGB, but I still respect Kevtris...
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    Groove metal for shmups is a terrible idea :yuck:...

    Groove metal for shmups is a terrible idea :yuck:

    The only kind of metal that works great in video games is old school speed metal :love:


    https://www.youtube.com/watch?v=LDPCUgDJPyE

    And...
  16. Bubsy... So many cheap deaths. Horrible game.

    Bubsy...

    So many cheap deaths. Horrible game.
  17. As an electronics technician I find Mask ROMs to...

    As an electronics technician I find Mask ROMs to be one of the most sexy things on earth. It's such a pure and perfect way of storing information.

    That's one of the big reasons why I only collect...
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    Yes, please continue :) The service manuals...

    Yes, please continue :)

    The service manuals have some pics of the copper layers, but they are not great quality. It's nice to have some high res pics for cross reference.

    Instead of sanding,...
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    When a chip stops being in production, it enters...

    When a chip stops being in production, it enters the dark side of the supply and demand world :(

    I'd have a look at the service manual and use a logic probe or an oscilloscope to check for life...
  20. I'm definitely going to buy that Phantasy Star...

    I'm definitely going to buy that Phantasy Star print, if it isn't sold out by the time I have the money.

    Already have a first version print of "No One Wants to Play Sega with Harrison Ford" and...
  21. True. All things considered, a Frankenstein's...

    True. All things considered, a Frankenstein's MegaDrive is better than a MegaDrive with no sound :D
  22. Look at the first picture. DIP version Z80,...

    Look at the first picture. DIP version Z80, headphone amp and wires for the power-LED. Its' a model 1 ;)



    Saw this in the other tread as well, but didn't muster the energy for a responce. But...
  23. Once you subtract the manufacturing costs and...

    Once you subtract the manufacturing costs and labour, I think you'll see that the final number is far from impressive.

    I really don't see a problem in any of this.
    ...
  24. One of them seems to be a dead end, but the other...

    One of them seems to be a dead end, but the other has a trace running beneath the yellow silk-screen print:

    10246
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    Sega MegaDrive, sometime in the mid-90's. Bought...

    Sega MegaDrive, sometime in the mid-90's. Bought it from a class mate who had moved on to the PlayStation.

    Had it hooked up to an old 70's TV set that my grandparents gave me when they bought a...
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