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First Pinball Machine - Taxi - Crashing

Gameboy

Registered
Joined
Sep 16, 2020
Messages
2
Location
London
Hey Folks!,

This is my first post (and my first pinball machine). I actually brought it of a member here :).

I have had the pinball for a few weeks and initially for the first day or two it seemed to work really well (Although I only tested for maybe an hour or so). Since then the pinball seems to randomly crash, sometimes its as soon as you turn it on (with some beeps) and sometimes it turns on fine, you can play a couple minutes and then it will crash. Lights stay on , sometimes sound go's weird and nothing is responsive, or sometimes flippers might still be responsive. (I have attached a video).

I have checked all fuses, and connectors, as far as I can tell everything from that perspective seems ok (But perhaps I missed somthing). All the chips seem to be in their sockets ok also.



I am completly new to pinball stuff (Although I did go into it knowing there would need to be some maintanance/fixing involved). I would be really gratefull if anyone could maybe point me in a direction to start looking at. :)

Thanks!
 
Reseat all the connectors? That's always a good first action to get rid of some faults.
 
CPU board fault with a PIA causing a cpu crash most likely

I would check to see what the 3 lights on the cpu board are doing once the fault occurs and also check the +5v and +12v feed to the cpu board
 
CPU board fault with a PIA causing a cpu crash most likely

I would check to see what the 3 lights on the cpu board are doing once the fault occurs and also check the +5v and +12v feed to the cpu board
Just checked first time the fault occurd the 'Blanking' led turned off. I then managed to get a few minute game going before it crashed again and both the diagnostics and Blanking LED were then off.
 
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Just checked first time the fault occurd the 'Blanking' led turned off. I then managed to get a few minute game going before it crashed again and both the diagnostics and Blanking LED were then off.

cpu board needs testing and possible repair then . You can send it to me to look at if you want . I’ll pm you with details
 
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