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That power input socket looks very clean so that's a good start. The top 2 pins scorch usually. Depends on how long it's been switched off I'd be considering the ram at this point. Our resident mpu3 expert midibob will probably have some ideas too😊 Hope it's an easy fix mate

Considering if you cut me in half you would find electro written right through the middle I took delivery of this machine today. Found it in my local auction house, they send me emails with catalogue of up coming auctions but did not read until couple days before auction. near the end and in amongst all the antique wood furniture stood this machine. Listed as a 60s/70s machine and an auction guide of £50 to £100. Thinking too good to leave I put in a bid of which I won. Sold as seen so took chance all was complete inside and hopefully working. When arrived it was cold and damp so left it open to warm to room temperature. As usual I will look at battery condition and remove but overall apart from thick dust it's is great condition and possibly been in private ownership for many years.

Absolutely great to see it working after all your hard work, Massive well done 👏

No real surprise that when just plugged it in, lights up and nothing else but a buzz from speaker, I have removed the MPU and as suspected there is battery damage but not as much as feared, I'm on removing it.

Hope everyone is good and with Christmas fast approaching seasons greetings! So, I came across a machine on facebook (thanks to a fellow member (Lee) dropping me a message) which was local (ish) and cheap at £100 so after some contemplations about 'do I really want another' I contacted the seller and went to get it on a snowy Sunday (struggled to back the motor up the driveway). It was a machine I already own but I though I'd go for it and just get it working again then maybe trade it later (as not much else is coming up at the minute). The machine was MPU4 Jackpot Jump and had display corrupt and also not taking coins (classic battery damage me thinks). Nice old chap owned it, good bit of history with it as they knew it from new in their local club and when the new £1 coin came into circulation the club were getting rid so the sellers daughter purchased it for the mom who has owned it ever since (as she loved it so much apparently). I do like a bit of history with these old machines 🙂 Anyway, got it home, was quite tidy (lovely and clean inside, cleanest reel deck I have ever seen in fact). Had been broken into at some point but a professional repair applied (seen this on lots of club machines, it takes me back to my days behind the bar of a social club where an overnight theft involved removing bricks from the outside of the building right where the machines stood and emptying the cash from outside). Could tell it had been well dry kept as no artwork damage or peeling decals/mask which is very welcome and inside virtually dust free. So, out with the MPU4 (mod 4), and first pic shows, as expected, battery damage. So I de-soldered the battery and found a bit of a mess and holding the board to light could see the top track was definitely broken, the rest looked in tact. A good clean, neutralise and scrub later I decided to do my first repair (as it was hopefully easy) so I continuity checked the links and indeed one was broken so I applied a link wire to the back for ease. I then applied battery fly wires left to dry and tried it next day and BOOM 100% working. On ebay meanwhile a MPU4 with game card came on and I took a gamble made an offer and grabbed it. It too had the original battery and in contrast was right mucky! Again removed battery, cleaned, neutralised but this time no visible damage so much to my luck it also worked 100%. 2 ics before and after. MOD 2 boards seem to cope better with the damage than 4's I seem to find, they don't make em like they used to. Nice when things go right lol ps - Its a start and maybe I will progress to more complicated fixes and can only aspire to be where Matt, Mick, Bob et al are at - we all start somewhere ☺️

I don't! this one has gone already and I need to make more room if I am to have any new machines 🤦‍♂️

happy birthday! Wow a beautiful looking machine, look forward to hearing the sounds and the play from it 👍🏻

Nice one Mart, I thought you had no more room 😂😂😂😂 awesome result

Wow, bargain of 2022! 👌

Happy birthday Ron

Thanks @Clo06:)

That is a winner. Great find

Awesommmmmme!!!

Finally sorted this old girl out. 😫😁 It was two pretty horrible wiring faults. Lamp multiplexer was shut down (overload protection) due to a wire being pushed into a different bulb shorting two Rows together and the start button Switch was a close but incorrect wiring colour, probably from something else fitted so it was just a lifeless black machine that did nothing. Unplugging the opto plug just was toggling the test switch which goes there... course it was lol. Pic of the board finished... green dots are replaced ics. Also a vid of her up and running 😎 20221215_230511744.mp4

I can’t wait for the big power on Matt, make sure you video it! 😬🫣

After looking more I'm guessing Er01 is reel one and it's an opto fault. It appears it's not actually completing the reel checks after all Reel one is the priority Error so it's displaying that first. A look at the reel boards and they are all slightly burned up. Guess something has whacked them in the past potentially the same time as the LED segments getting taken out. Think I have some scorp1 reels the same so will have a look at those. This is the difficult part of bringing a dead board and long dead machine back to life at the same time