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Type: Posts; User: chessage

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    A Decade At Sega-16

    Wow, today marks my 10th year of membership on Sega-16! I originally joined to discuss ‘Genesis 3' compatibility restoration; but time, research & resources have since brought forth teardowns,...
  2. The dash and letter at the end of the MPR number...

    The dash and letter at the end of the MPR number identifies the ROM IC manufacturer. "-H" is for 'Hitachi' and "(-)F" is for 'Fujitsu'. The missing dash on the Fujitsu ROM is a typographical error.
  3. Sticky: Every MK-1602 series adapter I've owned was held...

    Every MK-1602 series adapter I've owned was held together with safety screws. Very serviceable.
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    1.) Have the unit double as a cartridge for use...

    1.) Have the unit double as a cartridge for use in other MD/G consoles. Include a switching circuit or cutting point to isolate the GOAC when another console is used.

    2.) DON'T BOTCH THE AUDIO...
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    They're conspicuous. If you don't see them on the...

    They're conspicuous. If you don't see them on the inside, then it doesn't have 'em.
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    "Assembled in 1993" would be more accurate. Be...

    "Assembled in 1993" would be more accurate. Be sure to check the date clocks on the inside of the console shell. See here for reference.
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    Read further down: Perhaps Ed might...

    Read further down:





    Perhaps Ed might remember.
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    Now celebrating 36 years! :cool:

    Now celebrating 36 years! :cool:
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    Not entirely (24 frames can't capture all 60...

    Not entirely (24 frames can't capture all 60 fields).



    You mean like this?
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    That's a digital camera problem. Film was...

    That's a digital camera problem. Film was routinely used to record CRTs for decades. Their real issues would've involved exposure problems, consistently centering the shot, & waiting for the film to...
  11. Sticky: More specifically: those last two numbers denote...

    More specifically: those last two numbers denote the distributor. "-22" was assigned to 'Irwin Electronics'. Irwin's contract ended in 1993. Assuming you're in Canada, your model 1601 was imported...
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    **Update!** A fifth video was uploaded: a T-30...

    **Update!**

    A fifth video was uploaded: a T-30 (32 minute) VHS SP transfer of an 85 minute Hi8 recording of the 1992 'Consumer Soft Group' tradeshow. In addition to some of the tradeshow, a Sega...
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    Read this...

    Read this.



    There is a third variant with "For use with the Sega Genesis System only" on the back of the cartridge. See here.
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    **Drum roll**... It's Phantasy Star III...

    **Drum roll**... It's Phantasy Star III!

    https://www.guardiana.net/media/photos//776_1.jpg



    Yes, the week of May 5, 1991.
  15. Check c-sync. Try adding a filter to 'C8' (start...

    Check c-sync. Try adding a filter to 'C8' (start with 47 pF).
  16. Poll: Is 'Revenge Of Drancon' The Best Game Gear "Launch Title"?

    Since it missed the other poll, you can decide in this thread.
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    **Update!** I've finally checked the power...

    **Update!**

    I've finally checked the power draw of my (1993) VA1 Game Gear with a regular game (Super Columns):



    ~250 mA with the contrast and volume all the way up.
    ~240 mA under normal...
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    Never rely on one thing. Use the artwork, the...

    Never rely on one thing. Use the artwork, the embossed lettering, and the information printed on the ROM IC. Opening the cartridge makes all the difference in the world.
  19. Thread: Techmoan

    by chessage
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    This one should initiate anyone who's...

    This one should initiate anyone who's uninitiated:

    zyOKgLtUxto
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    My copy looks like the one on the bottom left. I...

    My copy looks like the one on the bottom left. I don't have the box. The ROM IC has a September, 1992 date code, so, either:

    A.) The original box design was reprinted during 1992.

    -or-

    B.)...
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    Unlike Madden & Montana, Mike Ditka Power...

    Unlike Madden & Montana, Mike Ditka Power Football has selectable BGMs. Go to the pause menu and turn the music off and on again to change tracks...



    ... and since when was 'Eye of the Tiger' a...
  22. According to SoA's USPTO filing, the "OFFICIAL...

    According to SoA's USPTO filing, the "OFFICIAL SEGA SEAL OF QUALITY" was introduced in September, 1991.
  23. 1971...

    1971.



    You could make a sound probe out of expendable power amplified PC speakers. Use it to follow the audio path back to the point of least distortion...



    ... and swap with parts from...
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    Happy Birthday...

    ... "Coleco Vision"!

    https://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/ColecoVision-wController-L.jpg/640px-ColecoVision-wController-L.jpg

    According to USPTO documentation, the...
  25. Sticky: Hot Air Leveling (also known as Hot Air Solder...

    Hot Air Leveling (also known as Hot Air Solder Leveling). It's the soldering process used on this board.
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