Track and Field Chips

darthbob1425

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Walsall, West Midlands, United Kingdom
My track and field is working fine apart from a ditinct lack of red.

I have traced the red line back from the edge connector to a PROM marked 361B16 (TBP18S030N) and you can see a very faint cross on the top. The previous owner was an arcade operator so I am assuming at this stage that this is the faulty chip.

My main problem is that I need to find a couple of chips and get them programmed.

Can anyone point me in the dirction of someone who can supply them preprogramed or has one they are williing to sell from a dead board??

Hopeful thanks

Rob
 
18S030, 32x8 tri-state bipolar PROM is equivalent to: 82S123, 27S19, 6331, 74S288, 7603

I have some 82S123 chips here somewhere...
 
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