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Hello. Thank you Bob, I will try to do so. The 16 switches are off but I have no documentation about them. I will try B8 "on" and door open. 👍

Do you know if there is a 'test' mode with that software? With the usual ACE games it's normally back door open and switch B8. Once in test mode you will be able to confirm all the switches are working, in fact all the i/p's and o/p's. If that software doesn't have a test mode you could always use one of the ACE games as there's documentation available which would help.

Looking in ROM 3 shows... 'COPYWRITE RETAINED BY FBN ELECTRONIC SYSEMS LTD' I can't find anything on them on the web?

That's what becoming an old bloke does for you I must think a bit more before I write.

Hello. Here are the files of the prom of the INTERPLAY MPU unit iss-b. fichiers.zip

Hello everyone. I'm still walking in the fog, I can'understand why these three buttons don't work. "Start" and "gamble" are not important but "take a lot" is very important and the previous owner's son confirmed to me that it was worked when the machine was in the bar. 😵 When I play, if I get more than 50 points (you win a watch if you get 50 points), at the end of the game, the button "take a lot" lights on, a bell rings and never stops ringing because I can't get my gift. If I insert another coin into the coin mech, a new game stars but the points remain in memory, so, at the end of the game, the bell rings again and again. I tested the buttons and the coils, replaced IC4, tested TR32 to TR38, TR1 to TR7 (the coils are powered by P2-9, P2-10, P2-13, P2-14, P2-17, p2-18 and P2-21) and they all work. If you ever have an idea, I would be very happy to read it. Thanks a lot 👍

Certainly did .

Yep agreed the 20p play £150 game is much better .use to own that version .

Yes its on 20p play £150 jackpot most wins are double and plays a much better game , you move a wire in the machine to alter the jackpot and price per play

MPS came after SYS80, didn't it?

Give that man a cigar!

Great capture .I assume you ve got the £150 rom set in the machine ?

I have a impact service manual. It does indeed relate to the hopper.

The GALs have their own internal fuses which most manufacturers burn at the end of programming to stop people copying the chip. I couldn't tell you if they were in your particular tech, you could be lucky though? In earlier JPM CPU cards (SYS80) the 14k version had a PAL which wasn't protected but even earlier (MPS1) was, work that one out!

IMG_8148.mp4

Can't view this unfortunately.

Blackjack club jackpot !!! IMG_8148.mov

I'd say it is.

So we talking impact? I believe the gals can be copied if we are talking impact 1. If this relates to crystal security chips then no. Work was done on mpu4 games to disable the check sum security check, and thus make the roms themselfs copy able. It's a long process of trial and error changing one character at a time until it booted in the emulator. Unfortunately you can just decompile software to see the source code. You can use AI to get a virtual ideas of what the code my look like but, it's not helpful unless you had the original source code. That's just my vague understanding of the issue, I could be wrong.

Thanks for the information, how do I know if the fuse has blown?

I think it will depend on whether the GAL security fuses have been blown. If they have then you're stuffed.

Hello friends, I have a question, is there any software that will help me edit data on the JPM program card? And another question is it possible to clone GAL on the program card?Thank you

Not sure if that's the Gottlieb pinball System80?

Found this on an old p.c maybe it's this? system 80 test.zip

Here is the parts list of the MPU. MPU unit INTERPLAY ISS.B C1 1000 µF 25V C2 4700 µF 25V C3 10 µF 40V C4 47 µF 10V C5 10 µF 40V C6 4,7 µF 40V C7 C27 1nF C8 et C10 à C26 100 nF C9 220 µF 10V R1 et R11 330 Ohms R2, R10 et R14 1 KOms R3, R4, R6, R9 et R13 10 Koms R5 R7 et R12 100 Koms R8 220 Ohms RU1 à RU4 groupement de résistances 8x1,5 Kohms sans point commun. (type MPD1603) RU5 à RU8 groupement de résistances 8x1,5 Kohms avec point commun. (type Bourns) RU16 groupement de résistances 8X10 Kohms avec point commun. (type Bourns) RU9 à RU15 groupement de résistances 8X220 Ohms sans point commun. (type MPD 1603) T1 à T59 ZTX450 (BC 337 en équivalent) Régulateur de tension LM340T D1 à D4 1N4148 IC1 à IC4 74LS251N IC5 74LS139N IC6, IC7 74LS138N IC8 MK3882 N-4 Z80 IC10, IC11 74LS244N IC13, IC14, IC15 EPROM 2716 IC16, IC17, IC18 TMM314APL-1 IC19 DM7404N IC20 74LS74N IC21 LM386N IC22 CD4098BE IC23 à IC29 74LS259PC FS1 et FS2 fusibles lents 2A B1 pont de diodes BY164 Haut