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Could be a focus pin issue on the socket (CR-23). Probably easier to swap that out first and see if it fixes it. https://www.arcadepartsandrepair.com/store/monitors/monitor-parts/cr23-crt-socket-mp1042/ Del

What version of the game are you trying to resurrect? What's the ID number on the FD1094 CPU? It should be one of these listed. Michael Jackson's Moonwalker (set 3, World) 317-0159 Michael Jackson's Moonwalker (set 2, US) 317-0158 Michael Jackson's Moonwalker (set 1, Japan) 317-0157

Been reading through this forum topic with interest. Great work so far guys! Just wanted to put that out there. Del

Wow, just Wow! Looking great! Del

Yeah, going to pop it open tonight. Didn't seem to find any schematics on it, although I did see there is a wiring diagram.

Hi there, One of my CPS1 A boards has graphical issues that I traced back to the custom PPU on the A board unfortunately. So, I'm looking for a replacement to fix it. It's a SFII board that's converted to a Ghouls in Ghosts. Let me know if you have something and thanks in advance! Del

@rewrite Need to pick your brain on mine. Did a simple cap kit on both PCBs. Power was fine and worked. Audio, not so much. Lost audio completely after the recap. Powered down and checked and saw both 5A fuses blown on the audio PCB. Replaced them (also checked voltage regulator out of...

Especially at work...

I'm curious as to what symptoms you are experiencing. Looks like you have the audio portion of the power supply. On mine and it pretty much imploded for some unknown reason. So, I'm starting from the ground up and rebuilding mine. Cap kit for the audio portion...

Firat thing I check is the tube since it's an easy fix. No sense in changing transistors if the tube is the issue. I always test it in the rejuvenator to rule it out. Then I proceed on repairing the PCB. Del

You can get the shockboxes here: https://southtown-homebrew.com/index.php?cPath=170 I would check to see if they will mail it overseas. Also, they offer a high quality print of the insert for games. (Or you can print your own - The images are free to download)...

Mister Add ons has them in stock: https://misteraddons.com/products/joystick-cat-paw?_pos=1&_sid=5d604c983&_ss=r&variant=40482254585989

Are you looking for just the PCB or the full game cabinet?

Whelp. I fixed it! It was indeed the sound oscillator/crystal. I used a known working one from a donor board. Check out how rusted/corroded it was underneath: I also got those extender cables in and work great: Now I'm going to move on and start a thread on another CPS 1 PCB that has...

Ah, the sound clock crystal. Gotcha. Don't think I have that on hand. I need to order a few. Edit: Wondering if this is a suitable replacement or not: https://www.digikey.com/en/products/detail/ecs-inc/ECS-100AX-035/827253 Edit 2: Going to link this here too with a similar issue where...

Curious where that's located on the PCB?

I doubt it's the sound roms, although I could re-burn to test. Reason being: When I swap to a 100% known working A board with this game, zero issues. If I swap this faulty A board onto another CPS1 (converted SFII to Ghouls and Ghosts) I can re-produce these intermittent sound issues. This...

Also forgot to mention that I had a spare Yamaha DAC (YM3012) so I socketed and swapped another one in. Nothing changed. I then proceeded to the Z80 reset as I mentioned in the post above. Del

I need to give that a shot, but I'm pretty sure it's a digital issue. I tapped into the Z80 Sound CPU at the reset pin 26 and ground at 29. I soldered a wire on each pin. When I lost sound, I was able to jump the two wires together to send a reset to the Sound CPU and the sound came back. If...

Stays dead. Sometimes I hear pop instead of sound or a screech. But mostly silence. Power cycling restores it. Del