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LED credit display
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Scumgriever:

--- Quote from: grantspain on September 05, 2006, 10:36:04 am ---
--- Quote from: Popcorrin on September 05, 2006, 10:23:39 am ---Didn't alot of NeoGeo cabinets have just what you are describing.

--- End quote ---
yes,its called a credit transfer system

--- End quote ---

Any ideas on where I can find one of these things? or even where I can find some info about them? Like if they can run independently of the main neo-geo pcb?
Fuzzguitar:
This is an unbelievably cool coincidence.... we may be able to help each other out here.

I am at work and haven't had time to read this fully but I have the smaller version of your machine at home (25" - yours is an LAI 26" on first glance) with the same LED's working, plus the original LAI manual which includes the schematics/settings, should be of great use to you.

I am about to mame my cab too and want to keep this LED working, it looks fantastic when in use with the Jamma board.
original_maxlamer:

--- Quote from: NightGod on September 05, 2006, 11:45:40 am ---That was something set by the operator, not something that is a default in the games themselves (at least to my knowledge).

--- End quote ---
I've come across a few in mame that default to 2 coins start + 1 coin continue, and theres bound to be more i haven't found
NightGod:

--- Quote from: original_maxlamer on September 06, 2006, 07:34:10 am ---
--- Quote from: NightGod on September 05, 2006, 11:45:40 am ---That was something set by the operator, not something that is a default in the games themselves (at least to my knowledge).

--- End quote ---
I've come across a few in mame that default to 2 coins start + 1 coin continue, and theres bound to be more i haven't found

--- End quote ---
Have you checked if you can change it in the F2 menu?
Scumgriever:

--- Quote from: Fuzzguitar on September 06, 2006, 02:45:07 am ---This is an unbelievably cool coincidence.... we may be able to help each other out here.

I am at work and haven't had time to read this fully but I have the smaller version of your machine at home (25" - yours is an LAI 26" on first glance) with the same LED's working, plus the original LAI manual which includes the schematics/settings, should be of great use to you.

I am about to mame my cab too and want to keep this LED working, it looks fantastic when in use with the Jamma board.

--- End quote ---
:notworthy:
That's like gold to me right now. Is it too long to scan without being a hassle?

Like I said before the chip that the LEDs sit on in mine is pretty dead but maaaybe fixable with the proper schematics.

I'm about 1/2 way through designing the schematics for my own discrete logic chip which I'll be happy to share with you. So far I've got the credit counter and leds sorted with the down count and cut off for the credit switches figured in my head I think.

I'm pretty new to the hardwiring game though so when I'm done if someone who knows their stuff can have a look over my schematics it'd be much appreciated. It'll save me the frustration and waste of time in building something that won't work even if its put together right. That wont be for a little bit though.
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