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TopJimmy

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Posts posted by TopJimmy

    Adam expansion unit 3 power question

    in ColecoVision / Adam

    Posted

    I've had an Adam expansion for years and have never tested it.   I set it up using a makeshift power supply and it works!    

     

    question:  is the colecovision power supply required when using the Adam expansion power supply?   seems to work both ways, but a photo/diagram in the technical manual shows only using the Adam power connection.

     

     

    adam Screenshot 2023-10-05 at 8.55.45 AM.png

    Normal to have to press reset to get cart to load?

    in Intellivision / Aquarius

    Posted · Edited by TopJimmy

    Thanks to everyone who took the time to comment.  looks like for this board I'm seeing normal (hit reset) behavior and all three of the systems work.

     

    To those who've asked, i have no intentions to sell at this point.   These will be kept pristine in my collection for now.    Should i decide to sell in the future, I know where to come.   

     

    I have a decent collection of 80s consoles, but never really focused on Intellivision.   I do have an unboxed woodgrain intellivision in not-so-great condition and a perfect boxed minty Tandyvision One.   And a bunch of carts (many boxed) i've picked up from thrift stores over the years.

     

    The main thing that drew me to this specific lot was the 40+ boxed carts, not the consoles.   i didn't recognize anything unique about them!   Glad i picked them up.   it was a new estate sale company i'd not dealt with, and fortunately he took my buy-it-all offer at opening of the sale ($150 for everything).   many of these companies will not discount that quickly.

     

    thanks again to everyone.

     

     

    Normal to have to press reset to get cart to load?

    in Intellivision / Aquarius

    Posted

    https://www.old-computers.com/museum/computer.asp?st=1&c=1209

     

    this is the one i have from the lot.   No schematics found on this one, but it is different than the Intellivision schematics i've seen.  only two electrolytic caps on the entire system (one obviously power supply filter and one small polarized near video output section, none near reset switch).   Since it is basically working but requiring reset to load cart, I think I'm going to leave it as-is.   Appears to be a less-common variant, so I'll leave well enough alone.   

    Fairchild Channel F gen 1 video problem

    in Hardware

    Posted

    I have a gen 1 Channel F I'm trying to revive.  Most electrolytic have been changed and voltages seem good.   I am getting video and the built in games start, but it is DOUBLING the graphics a few rows off vertically.   I also have a rolling horizontal  bar which may be an RF tuning issue.

     

    I've cleaned and reseated all socketed chips including the RAM.

     

    Any ideas on this?

    fairchild.png

    Vectrex, line spacing issue

    in Vectrex

    Posted

    old topic, but i am having a similar issue with my Vectrex.  the power board has been re-capped last year by me.   I opened my Vectrex up this weekend to add a buzz-off audio board, and thought i'd give this issue another look.

     

    problem:   text shows what looks like an extra line or line offset ONLY near the bottom of the display.   the rest of the screen text looks fine.   and the rest of the geometry looks ok.   i did adjust the DAC offset pot to zero and have adjusted the other two pots as best as i can.

     

    any insights as to what may cause this issue?

     

    thanks.

    Vectrex Screen Shot 2020-07-06 at 5.14.57 AM.png

    My homemade 5200 controller

    in Atari 5200

    Posted

    I remixed Animan's beautiful 3D case design to a smaller version I can print on my Monoprice Mini 120x120mm print bed. I kept all the main internals, buttons, screw holes. I also enlarged the cable connector hole so my larger DB15 connector will fit the opening.

     

    Not nearly as nice as the original, but it does allow for quicker prints with smaller printers.

    post-26000-0-76317700-1552216944_thumb.png

    • Like 5

    My homemade 5200 controller

    in Atari 5200

    Posted

    Use some 200 grid sand paper to smooth out the edges, and it should look good.

    For prints with supports, try to play with support line width, spacing, Z distance etc. Sometimes try to orient the object 90 degrees, and see how the supports are built.

     

     

    my first printer (used for this controller) was an FLSUN kit (prusa i3 clone) that a friend recommended. i had no idea what i was doing, it took about 10 hours to assemble, and i melted the pfte tube in my experimentation. i have since re-assembled it with some enhanced parts i printed and it does pretty well.

     

    i also have a monoprice mini v2 which was about $180 and i was printing PERFECT prints in 10 minutes. the cura profiles are simple and perfect. but the mini's bed is too small for this controller.

     

    so even though i've been printing junk for about 6 months now, i still feel like a newb.

     

    thanks for your advice and suggestions. i did increase the support z distance, and it makes removing supports much easier. I'm currently printing another top and we'll see how it turns out. the top takes about 7.5 hours with top up and all the supports. i think the bottom (printed same way) was slightly longer.

    My homemade 5200 controller

    in Atari 5200

    Posted

    i built one of these this morning. works perfectly. amazing job with the boards and micro code.

     

    I've got three 5200s and about a dozen controllers, but only a few controllers work properly. And I've been hesitant to use the working ones.

    Pioneer's LaserActive CLD-A100 is the best Sega Genesis system

    in Sega Genesis

    Posted

    Have always thought these were cool but I heard they have really bad Capacitor bleed problems....which can damage the internals, making acquisition of such a rare and expensive machine a pretty big risk.

     

     

    i came here to search for the laseractive. I picked up one with the sega pack at the goodwill outlet for $5.

     

    The laserdisc/CD part worked fine after i replaced the belts. but the sega would not work. it actually powered up the first time i turned it on and i got the menu, but only a black screen every time after that.

     

    about half of the caps on the top board were visibly leaking. i had a bunch of 10mf so i (somewhat sloppily) tacked in replacements for the visually leaking ones. plugged the pack back in and it works!

     

    i need to clean up my work, but i assume i should go ahead and replace the rest of the caps, at least on the daughter board? everything on the main board looked ok. and i probably need to address the battery.

     

    a very neat but strange unit.

    Anyone have a Tomy Mini Arcade/Cosmic Clash toy? Know how to take it apart?

    in Hardware

    Posted

    old thread, but i picked up one of these at goodwill recently. the video was very helpful in disassembly. reassembly may be another issue, not to that step yet.

     

    the motor was frozen, but i got it apart, oiled, greased gears, and it is working (the motor is). i'll get it back together this weekend.

     

    the video mentions the decal set being sold on ebay. i cannot find any entries for them. anyone have any info on this?

     

    alternatively, i'd probably be best to set up and try to make my own. i've seen 8 bit guy do it on some minis and carts.

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