Recent content by gauze

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=

well hell http://entropy.tmok.com/~gauze/vectrex/wip/shop.html

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

6 month bump since I never got an answer on this. Someday I will locate the PCBs on my desk and maybe build this.

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...

take $10 off lowest price! see first post for list (or if the board is $10, 1/2 price.)

Prices lowered. see first post take $5 off lowest price. shipping from 02888 if you want to guess postage.

ms pac boards gone.

just to add the solution to this one to board history: turned out to be the cable between the ROM and Sound board, or the pins on the header they attach to or something in that pathway.

top for some new pcbs added.

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...

zeke is lier he onley has credit money!!1

more added