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I got two from there via the fellas who with official permission managed to rescue them. Both will hopefully in time be renovated

Some people that know me know I did the most recent vid of the abandoned arcade... Well here is still still pics of most of the machines that were in there... I missed a couple.

Hi there! Thanks for your reply. The picture of the board was taken before cleaning. It has been in my ultrasonic cleaner. Tracks repaired. Replaced some parts. Gone to bed yesterday evening and woke up with a fresh head.. grabbed my multimeter and found out one logic had bad ground connection...DOH!! fixed that and plugged it in...yay!! Kicked the old and heavy CRT out and installed a fresh TFT screen It is fully working again and will soon belong to Geronimo

Anyone that wants to know the full story I made the video I was also part of obtaining permission and I was there when they were removed, I got 4 myself.. I'm happy to tell the full story to put to bed some of the rumours.. Looks to be a bit of jealously ffrom 1 or 2 unfortunately.. The main thing is some were saved❤️

Hi all I've recently acquired a machine called bonus fruit by leisure games .it uses mpu3 tech housed in a leisure games cabinet with their own psu .it was rescued with official consent by fruit loopy (martin) .he took a video a week or so prior to going up with a van with his colleague Ben. Unfortunately the board and cart have been taken prior to their visit and so now I'm left hoping that the person/s who took the board and cart will offer them up at some point .without the roms it will obviously be a lost game which would be a complete waste and crying shame to break such rare gem .below are pictures of the machine . If anyone see s a mpu3 cart up for sale or the roms themselves then obviously I'd be only too happy to grab them .Also if they get dumped onto any databases again I'd be very grateful to know .thanks in advance for any info offered . Cheers Nick

Thankfully cash and nudge is complete with roms🙏

I put some in my basket to see, they reckon that they will have more in stock soon. The lad in Austria is happy to have them delivered to him, he can then bring him back over in his luggage. I'll also get him to ask if they have, or can get, any suitable pins/receptacles for these. If they get more in then we can all order up what we need (within reason).

OK here we again. I said I'd been looking for 8 years, well it's now 10! Amazing what you can find with Google lens. https://www.coinoperatorshop.com/en/Spareparts---Asseccories/Connector-3473/Combo-plug-3475/ OK, what's the catch...... Shipping is £25!! Still if anyone knows someone in Austria.....

Graham, make sure when they ask for pins they don't sell them the male crimps instead! I reckon the pins don't actually exist as a separate part as I've never found a part number for them. So I'm thinking they come as a whole unit in the housing but I've never found a part number for that either??

I've got a couple of colleagues who work in Austria so that's not a problem. I'll speak to them next week and we can get something organised.

Think I've finally found it what it was, Moonbug or if not the one I had in mind, it was very simialr to this one AND Moonbug does look familiar so reckon it was this one:

After doing another Match it I decided it was time to knuckle down and build a 4 reel payout tester. At least now if I ever get another one in to work on I can 100% prove all the features and payouts are working. Here's the abbreviated payout list that might save someone a lot of time in the future so hope it's useful... Slingshot mech .pdf

Do we have a drawing of the pins (or can we create one)? If we decide on size and material I know companies with suitable CNC capabilities and can get a price from them.

In the MPS2 it's IC5 and 10, it definitely needs IC10 because as you said it controls the reel comms. Now I have found that IC5 isn't always needed and it depends on the game (some will run and some won't) so it could be the same in MPS1 (IC6)?

1. There are 2 TMS9902, can the printer port one (IC6) be taken out and used for the reel comms (IC4) or will the MPS system error due to the missing chip. 2. This chip is used in several other computing systems, I can imagine a replacement would become popular. 3. The MPS uses it for reel comms, simple serial communications BUT it does multiplex TX/RX onto a single track. I wonder if a relatively simple hack can be made to just keep this comms running. I see TX/RX are combined after the TMS9902 and split with an inverter for the TMS7041 reel CPU. MAX232 to the rescue ???

Thnx Geronimo, got it partially working now. Screen shows something but not all. Reset button and clear meters button works. Cleaned up the battery moisture and repaired some lines. Replaced some components. All ic's are rebranded with specific codes wich makes repairing the board really hard. Programmer reads most of the logics but not all. I'm really getting stuck without the schematics Anyone familiar with this (really old) system?

What a week I've had, one MPS2 specifically. Usual symptoms of no boot which was eventually solved by swapping out all the 20 pin chips around the CPU. To add insult to injury IC10 had also failed (TMS9902) so unfortunately the user is going to have to source one from somewhere. One thing did seem odd, on switch on there was no sound and the diag sound test was missing? Firing up an alarm did sound but it was quiet and didn't sound very clean. After much time wasting I realised I should have put my Worzel Gummage fault finding head on instead of my swap it out first head!! So a few wasted hours of swapping out audio o/p and synth chips plus going down many a rabbit hole I ended up doing some more diagnostics. Basically the output of the LM380 IC3 (8) was sitting at around 1.5v. These chips should have approx half the supply voltage on pin 8 and the inputs (2 + 6) are floating, well they were on this board. First head scratcher, this board is a revision B and instead of pin 6 being connected to ground it has C70 (0.1uF) to ground. Not sure I've ever noticed this before but the diagrams only show rev A. Next thing I noticed was any slight wisp of breath directed around C12, 14 and 15 brought the sound back to normal and then off again as the voltage on IC3 (8) rose to 12v. In fact any moisture in this area would cause the output voltage to vary. I've had this before and suspected tracking due to a dirty board. So off came all the components in that top right hand corner and a good clean was carried out. Before re-assembly I thought I'd just do some checks to make sure all was good....and it wasn't!! Applying the Ohmeter to the board and checking IC3 (2) I was seeing approx 3M Ohms to ground and considering the track was open circuit at both ends that wasn't good. Not sure why I tried the next thing but I put the iron on the hole for C14 and after about half a second the resistance went down to about a couple of hundred Ohms. Oh dear. Removal of the iron and the resistance would quickly climb back to a few megs. So the board had gone conductive inside. I could hear Andrew96 in my head saying 'I told you so' After all the work I'd done I didn't want to write it off so I thought I'd try something. Cutting the track by the via from pin 2 and routing a patch wire to two axial caps in place of C14 & 15 stopped the leaking voltages getting in the audio chip. These were fixed in place with hot melt glue and with everything reassembled all was good.

What a bloomin shame about those roms and boards hopefully the person who took them might send you at least the roms. Did those parts disappear after the Rampage YT video (approx 2 weeks ago) or your own (approx 8 days ago) or do you think they were removed before that? Were the Cash or Nudge roms removed obvs Redrose has what looks like a working Cash or Nudge on his floor so maybe he could get those roms uploaded if yours are missing? (Just spotted Dave did a DX of C or N back in 21) so the roms shouldnt be a problem)

I posted that machine in the eletro club on facebook if you want to have a look on the comments regarding the mpu. Hear I'll save you the hassle.

That is possible, Digikey have them in stock https://www.digikey.co.uk/en/products/detail/te-connectivity-amp-connectors/61062-3/21530399 , I would always be a bit concerned that the possible heat generated would affect the crimps after a while especially if they weren't crimped with a proper AMP tool which most folks wouldn't have? I've never seen a drawing of one as they don't appear in the Combo-line info as they originally weren't PCB mounted. It's possible this could have been a special for Barcrest, I do hope not! Still, pins are available to measure from existing connectors if someone has the skills to produce a drawing. Not sure what they might be made of though?

👍

Thanks but pretty sure it was Moon Bug, case closed:)

Many System 80 JPMs have a purple grape with a 4 on the middle reel, Copperwin, Winsprint, Topsprint, Superbank etc.

Ah well found Greg and yeah sorry it was 10p play not 5p 🙈but yes it's pretty similar .

Great little game Greg and there did seem to be a lot of the moon bugs about so I'm not surprised you remember this machine .there was a 5p version called nudge bug as well .I haven't got a picture of it unfortunately.

Nice one bob and be careful what you wish for 😉

Hi, Asking for a mate who obtained a ACE - Take Five. He will pick this machine this weekend and likes to know what MPU is used. All info or manual is welcome☺️

Ooh that looks nice...Sidewinder type variation

Happy days

Lovely looking machine, never seen one of these before! Still looks like there's quite a bit of battery damage in the top left corner of the board (next to letter G) - you really need to clean that up and you will also find quite a few components in the area where the battery was are shot. Hopefully nothing too major though as it's obviously booting up. Can you take a few close-up pictures around the damaged area to see what's been attacked?

Maybe a good idea to start a new thread on this one and see what the response is?

I would have thought so Andrew, I am one of the lucky ones in need of some! I suppose it would depend on how many others require some! I suppose the situation will only get worse over the coming years!

Thank you for the fantastic layout.

I'd have loved it si but I already have a carfield and jist aint got the room .

Here you go nik,being tight though. 20240324_200555.mp4

NOW who is "making coin" from poor poor collectors!

When I first come across the conductive board problem it was in the PC92 reset circuit. when the board was nice and warm it booted, but when cold (like the next day) the reset meandered instead of switching cleanly. oh the reply's! no one believed me! one member even said "conductive my arse" lol and of course my newly designed replacement reset board was just a con to get people to buy something that wasn't needed as a clean and replacement transistors of the reset area was all that was needed...... hope they are eating humble pie now lol Paxolin does indeed go conductive over time mainly its the conditions they been stored in over time. some are perfect, but some can be really bad! The PC92 ones I had which was bad came from project coins workshop and was sold off as a job lot and most showed the symptom. weather this is what they could not fix so they was stored.... or the storage conditions had caused the problem with conductive boards we will never know! but it does seem I was the only one ever to have PC92 reset issues and only one other board outside of that job lot since lol

Had a poke about today and found 2 broken connectors, one was on centre reel hence being erratic then not working this is why 3rd reel not stop as the sensors were not seeing movement and preventing cycle finishing.so I have had a few games and it works,and pays out.i do need a square button on top pannel as one is broken, will measure later.

Who got this one? I would buy this if available?

Aup mate I got fruit bonus, sadly the board and cart were missing and it's not emulated but a member was willing to take it in the hope they turn up, a old mmm tech maygay called cash or nudge.. That is going to a collector, a mpu 3 called spot cash that sadly again had the boars and roms taken and isnt emulated, plus the cab was terrible so has been stripped, I've kept the glasses and reels and loom in a hope the roms turn up.. I also got ace pound for pound for a close friend of mine that collects ace machines.. Its in a bad way plus the top glass is cracked but he happy just to own it.. I would add pics if I could figure it out lol

Hi all, Currently I am digging into the schematics of the JPM SYS80 CPU board. I do have quite some experience in 70's , 80's microprocessors, concepts , memory mapping, bank switching but the TMS9980 is new to me. Looking at the SYS80 memory decoding I cant get my head around how it works (can be the age as well 😉). This is a memory map I found of the SYS80 CPU boards (the 14K is not in it but I can guess that one). So the 16K addressing space makes sense here : Looking at the schematics of the 6K , 8K, 12K memory decoding I see the use of a few 74LS138's. Here the 6K, 8K and 12K memory decoding logic. So far so good but what I don't understand, for instance with the 6K board (but same question for other boards) is how you can decode the 2nd EPROM , on address $0400 , which is from A13-A0 -> XX00 0000 0100 0000 by just using BA0 to BA3 which are the lowest 16 addresses ?? Anyone who knows this and is willing to explain ? Kind regards, Bram

They are holding up very well thanks being switched on 14 hours a day. There is now in full working order Line Up Frog Hop Adders and Ladders High Lights Exchange Unlimited Fire Cracker All working fine on new coins and getting reasonably used. Cash or Nudge not in the line yet but is fully working with a slight lamp fault Not about making money just good to see them for play and many people love them just for the memories they brought to them when they were younger

Well, just worked out that holes in the reel are incrementing in binary exactly like the studs do in the motor driven wiper mech. That makes it really easy to match the symbols on the reel bands to their binary equivalent. Just one thing that almost caught me was remembering the sensors are at the back so I'll have to mirror what I'm reading at the front.

Just completed a board which made me smile. Came in with the usual full service needed, so once that was done it was switch on time. Pretty much dead so checking the RESET which was good it was out with the RAM. With my spare test board it fired straight up and then using my new chip tester showed one of the RAM chips was knackered.👍 The other one was good and yes I did try it with another just to confirm it ran properly in the board. So now it was time to run through all the tests before going into the Cabaret machine for a soak test. First all triacs were firing, next all switches, sound working, alpha good, reels good......hmm no lamps! Inspected the board again and couldn't believe I didn't see this the first time. Looks like the plumber's been here! Once that was removed all the vias and the pads were missing on both sides. After a bit of patching, new rivets and lots of patience I arrived at this. With a new transistor in place all lamps were now correct.

Latest update… Firstly, happy new year & thanks to everyone who left words of encouragement for me. I’ve done nothing until a couple of days ago when I sprung into action… IC3, 4, 5, 6 now socketed with new 6821P’s IC11 also socketed with a new LS138 C28 & C39 and D43 replaced Continuity tested everything, tidied up everywhere with a fibre pencil, and mopped up with IPA. Feeling confident I connected up just white power/yellow/aux1/red/red/green leads and powering on I got absolutely nothing… just flo tubes lit. So I unplugged it all and made a brew. My first thought was scrap it, enough is enough. I do need a 10p solenoid, another machine has an iffy red lead, and a spare PSU and reel driver board will always be good to have etc. But within 10 mins I snapped out of it & started probing about. I discovered a load of pins high on IC9 which had apparently died. Another mpu3 curve ball. Dropped in a replacement for IC9 and connected up… this time reels stepped then spun, well A, B & D did, and C just jammed then alarmed… but I’d never been so happy to see a reel alarm as this surely meant it’s fully booting and no longer stuck in reset!! I checked the reel driver transistors first and thought it was T49 but replacing it gave no improvement. Probed IC13-IC15 and pins 1 and 3 on reel C’s IC14 were dead. Removed IC14 and fitted a replacement 74LS04 in a socket, and guess what… FullSizeRender.MOV

Mnay thanks for all of those. None unfortunately look familiar. I'd expect it was one that was relatively common BITD and as I say can't be 100% sure it was Maygay, just that the symbols and numbers looked familiar and not come across a machine with those when browsing online.

Would probably mean that your ndud started life as a original ndu stef which did have the round buttons the same as eachway nudger . Those ews bands must have been stuck down good and proper for the residues of the bands to remain on.the drums like that .reckon the mdm factory workers didnt enjoy peeling those bands off 😉

Still no soldered pins though.