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  1. VSM ROM problem in Tempest

    Got it! Game is up and running. Thanks!

  2. VSM ROM problem in Tempest

    I've replaced suspect RAMs on the board. Now I get the single continuous tone. Manual tells me to try replacing N/P3 and R3. Any thoughts on where to purchase these chips? Thanks!

  3. Roy Clark "The Entertainer" Cpu

    Ok, thanks. I'll try that.

  4. Roy Clark "The Entertainer" Cpu

    Hi all, I am currently working on the cpu board. I have a locked on coil and one not working. I will be shotgunning it, I'll be replacing the 123ap transistors the tip 3055 transistors the 270 ohm resistors. I need to repace the diodes as well. The number I have on the diode is BA2C5 will a...

  5. mk2 sound issue

    Thanx I will do that

  6. mk2 sound issue

    I need help, my board works fine all roms pass and sound board does its one tone and functions. the problem is it has a whining sound in it on startup. (A wee ooo wee ooo sound) I converted a missile command cabinet to jamma and thought the board was screwed up, I ended up testing my known good...

  7. Video Game Lot for Sale

    Selling 14 games as one lot. All working 100% unless otherwise noted: Pole Position Ms Pac Man Play Choice 10 Kick Man Defender Q-bert Capcom Bowl Track & Field HyperSports 1943 (working, but monitor is inop) Arkanoid (working 100%, but could use a cap kit) Galaga 3 (cocktail; working, but...
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