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Value of horizontal Hold pot on Donkey Kong Jr cocktail? I looked in the manual's BOM and it's not listed on there and schematics I can't find it there, i see every other variable resistor except H. Hold, does anyone know what the value is?

my auctions Space Panic, Lost Tomb, Crazy Kong, Bobble Bobble ... I have a few auctions up, in case anyone here cares https://www.ebay.com/sch/gauze/m.html thanks

http://www.ebay.com/sch/gauze/m.html?_nkw=&_armrs=1&_ipg=&_from=

Now available for sale: http://entropy.tmok....x/wip/shop.html it's a Custer's Revenge clone.

Vectrex Joystick centering springs (for repairing sticks that don't selfcenter) NOW AVAILABLE! I had these custom made as there is no off the shelf replacements for these and cannibalizing Atari 2600 carts for imperfect springs that need to be modded, while resourceful, also seems inelegant...

ok so I found the drawing set, see where I hook up power, speaker and volume control and header J3 has 7 pins controlling selection, my question is where do I get the proper values for these pins for each sound effect to test if there's any logic problems (on 6821 (or 4050/4068/4069)) (my...

or just the whole control panel. I have the control panels but they have been drilled out and had the joysticks replaced, and the mounting plates for the old sticks are gone. I have replacement faceplates but I need the rest of the "guts" and correct sticks. thanks.

Clearance sale starting NOW! take $10 off lowest price, or make an offer! Newest stuff at top of this post, older stuff below, Sold items below that. Everything AS-IS of course. ANYTHING LISTED WITH TESTING INFO DOES NOT INCLUDE SOUND TESTING AS MY TEST RIG DOESN'T HAVE A SPEAKER SO I DON'T...

Joust crashing issue immediately after All Systems Go Hi, I have a joust board that shows the rug pattern, says all systems go and then starts displaying the high score board and then goes blank. I've restarted it dozens of times with and without a battery in it, I've replaced the 5514 SRAM, I...

I have a bunch of non-JAMMA pcbs I want to test without building an adaptor for each one, build some quickly adjustable set up that can do a minimal of testing with just +5v and RGB pins maybe, has anyone else made something like this or have any ideas on what sort of set up (edge connectors...

I just noticed something today when I fired up my Galaga, the blues in the "bee" wings and the greys in the Galaga mother sprites are pulsing from lighter to darker about once a second, and it's like a gradual color change not like flickering back and forth between 2 colors. I had someone else...

it's time to get rid of some games, going to be moving to a small apartment etc, boo hoo. I'm also not working so not thinking about hooking up a bro type of deal on something this big. in your esteemed options how much would this be worth to people such as ourselves (and besides, that random...

I have 3 flat sheets, 1 fitted sheet and a pillow case. I think they are "twin" sized, I'm not sure though not a woman. (wink wink) will anyone pay $20 for the set for a poor unemployed gamer? or make an offer. located in Providence, RI, pick up or ship ok. sorry lousy phonecam photo attached