20% off Roms and LEDS

Pinball Parts for sale only Please
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Dave Astill
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20% off Roms and LEDS

Post by Dave Astill »

Go to pinballrom.com all roms and LEDS are 20% off until January 16.
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Providing hard to find pinball i.c.s. eprom service and more

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Retro-man
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Re: 20% off Roms and LEDS

Post by Retro-man »

Definitely checking out your business site. Thanks for sharing! It’s time for me to switch all my pins to LEDS.

I have a Gottlieb Counterforce that I believe needs two new prom chips. Is there a reliable way to test these using my dmm, logic probe, cheap ebay chip tester?

In the diagnostics the memory check displays 2716 Prom 1 as an issue. The game turns on and doesn’t boot. Goes directly into a tilt state. All GI off and and play again lamp lit. Game over and tilt relay constantly energized.

I believe a replacement set of game proms could fix this to allow the game to boot. The slam mod is also done. So that leaves it to be a switch matrix issue coming from the MPU.

I hope this is ok posting This here.


Thanks,
Retro-man

Dave Astill
MAACA Half-ling
Posts: 506
Joined: Fri Sep 17, 2010 9:15 am
Location: Collingwood , On
Been liked: 2 times

Re: 20% off Roms and LEDS

Post by Dave Astill »

Gottliebs are usually connectors. Also you would have to convert the board to use eproms as the original roms are not available.
Providing hard to find pinball i.c.s. eprom service and more

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