All Activity

Nice perseverance bob . Ive seen tobacco stains on boards and other equipment before and its terrible stuff to clean off so god only knows how bad it effects the component s on a circuit board .glad you found the fault and..makes a change from battery vapour !

This one had be going for a while. Fault was no sound although on the bench there was sometimes and it was very dependant on humidity and temperature. What normally happens is the battery vapours contaminate the board surface and it becomes conductive. Any trace voltage around pin 2 of the audio output chip will cause the chip to effectively switch off and there will be almost full supply voltage on pin 8 which is the speaker output. It should sit at half voltage (6V ish) but this was more like 11v! After deep cleaning the tracks and components that connect to pin 2 it started behaving but still not quite down to 6v. I then left it for a while to work on something else and when I returned and powered on there was no sound again! The voltage measured on pin 2 was about 0.6v whereas it should be approx 0.02v. So it was leaking again somewhere? Next thing was to remove the sound output chip and the two little yellow caps that are connected to pin 2 and see where the voltage was coming from. Well lo and behold it was still there. There was nothing else connected to pin 2 so a lot of head scratching started. The next thing I noticed was that the track ran underneath the sound synth chip so this had to come out and look what I found underneath!!! The track runs through where it says R28-30 and this stuff was sticky and conductive, could be tobacco film who knows. Anyway a good clean on the board and the chip and no more stray voltage.

Starting to take shape now! It's going to be good to see the end result 👌

Is this project still alive? I am looking for info about the printed material.

Thanks, huge Difference indeed.

Nice job on the shot blasting and really makes a nice difference

So, for the past 2 days, I’ve been busy further derusting the transformer. This was so much work that I decided to take various parts to a good friend who has a sandblasting cabinet. In the meantime, I had also contacted (pb) BF74 (Ron) for a piece of schematic for a Dutch cabinet, if he had one. I received a complete schematic of the Full House; I couldn't be happier. I also ran a test, most problems were some residual oxidation on the relays and some AMP connectors that have not yet been replaced.

stiky ?

Early 90s bell fruit transformer/psu kicking 14.6v to scorpion 2 mpu . Is this the norm or to higher voltage Thanks

Does anyone know where I can get a replacement glass and reel bands for Nudge Gambler please?

Thanks Dave 138, that puts my mind at ease. I assembled the reels today; they were finally clean enough. I went ahead and replaced the AMP connectors while I was at it. I also received replacement bulb holders today; the old ones were too rusty, so I replaced those right away. Does anyone know what the switches on the side of the reels are for?

When I worked for Bell Fruit, we never did any maintenance on the reel motor. I don’t know if Ron can confirm that. It was rare to have a motor problem and, if we did, we just fitted a new one. There again, the machines were not very old.

Started removing rust from various parts of the Reel today; disassembled the motor... but immediately spotted a problem. It clearly hasn't been looked after; there was hardly any grease inside. There is a worn bronze bearing, and there is significant play in the output shaft (can this be ordered? Otherwise, I'll have one machined). I'm not sure if the output shaft is supposed to be like that, though. Fortunately, the gears are still in good condition.

Thanks 🙂 The battery has now been removed. Just a quick clean and the electrolytic capacitor has already been replaced. The mpu Triple M (MMM) was made by PCL for Maygay.

Thanks, Dave 0138 and Zulzerned. It’s a lot of work, and progress is slow. Started on the reels today. Found black, oxidized contacts, seized bushings, and rust. Needed a lot of contact cleaner to scrub everything clean again. Tomorrow I’ll take the motor apart (but first, I’ll read through Ron’s thread one more time). I’ve taken reels apart before, but this is much more complex, and I don’t want to make any mistakes. Here are some photos of the process.

hello guys I'm looking for a JPM IMPACT 1 mpu schematic diagram to repair mine for acid damaged traces. there is somebody that can help me? thanks

hello guys I'm looking for a JPM IMPACT 1 mpu schematic diagram to repair mine for acid damaged traces. there is somebody that can help me? thanks

hello guys I'm looking for a JPM IMPACT 1 mpu schematic diagram to repair mine for acid damaged traces. there is somebody that can help me? thanks

Anyone know where they have gone? Is there maintenence happening or have they been pulled down. Sorry if I should know this and have missed something. Cheers John

What a great project .look forward to seeing the progress

Nice find. It should keep you busy for a while.

The are beautiful, love the old techs.😍

Hi everyone, it’s been a while. Time for a new project, tipped off by a neighbor. It was listed on Facebook Marketplace (Netherlands). A Bellfruit Full House; there was only a photo of the front, but you could see the damage to the artwork. Asking price: €20. Naturally, I couldn't pass it up. This machine needs a lot of love to get it looking good and playable again. Fortunately, the machine is complete; the instruction sheet is inside, as are the build year and serial number.

Hello, my name is Victor French Collector, and my passion for collecting slot machines, jukeboxes, and arcade games started with an old ATARI jukebox. I’m also passionate about vintage chip technology, like the TMS or the 4004. As I explored these worlds, I discovered the Ace Coin Equipment machines from the Series 100, and I fell completely in love with these models. i love making Dump of ICs and Manuals/ Schematics Redraw. i m also a good member of MO5 Assaciation of old french Machines preservation.

why was you downing the jackpot by a pound??? Was it because you had a SUPER SILVER which is a 3 pound version of nifty 50 but the reel symbols are in different places