General – Page 25 – JAMMArcade.net

CPS1 Ken Sei Mogura

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Jun 012014

Here is something a lot of people wouldn’t even know existed and those of us that did had given up hope of one being found. As luck would have it though, DrGlitch on the Jamma+ forum located not one but two of these machines here in the UK.
Even better he loaned me the boards to dump and they are currently in the capable hands of Haze who is working on getting this thing running.

Here you can see the usual CPS1 PCB stack.

Whats not normal is that this stack is only used as a video board and the rest is controlled by this

We also got the manuals for this thing too.

Its an excellent find and cannot thank DrGlitch enough for loaning me the boards so we can get them dumped.

Welcome Caius

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Apr 242014

Caius has now joined JAMMArcade.net!
As a long time contributor to this site and also a great help to me personally, Caius is now part of the team that was formally a one man operation.

Welcome Caius.

AAA16K4P RAM chips

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Mar 082014

A few weeks ago there was a post on KLOV asking what these chips were.
One of the replies to this was that they might be a PAL chip so my attention was caught.
I managed to borrow a PCB pretty quickly and determined that this was not a PAL chip.
A few users had already mentioned that the manufacturer made RAM chips and after doing some circuit drawing I found what type of RAM it is.
If you ever need to find a replacement for the above chip then look for MB81C68.

DOWNLOAD DATASHEET

Rest in peace Zabanitu

General 1 Response »

Mar 032014

Well today has certainly taken a turn for the worst with the news that a very knowledgeable and helpful guy called Francesco, known on the forums as Zabanitu has died in road accident.
Zab has contributed much to my site over the last year and a half and always had time for me if I needed to ask him anything, Ive also heard others say the same.

Rest in peace Zab, you will be a great loss to your friends and family as well as the arcade community.

Spy Hunter control box

General 2 Responses »

Mar 012014

As I now have a lot of Spy Hunter boards to fix I thought it best to hack together some kind of test box.
I now have an Absolute Position PCB so the rest is just wiring.
Here is the finished product.

Ive tested this today on a board set and it works very well. The only think left to add to my Spy Hunter test rig is Cheap Squeak support.
That will probably be added once all these boards have been repaired though.

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