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Any thoughts on what do look for on this issue. Sprites are all messed up, but all ram/rom passes tests ok and all masked roms report ok. The board is riddled with Fujitsu chips as per usual, but I can't seem to find anything wrong. See pics. Any thoughts welcome especially if you have come...

Got a Chase HQ SCI pcb in recently to fix up. Love this game and want to run it on my chase hq upright as an alternative to the v1 game. This one I played more int he arcade is think back in the day. The thing is dead, so looking about in case anyone has fixed these before or has suggestions. I...

Picked this up the other day, for repair. A kind of grail game for me. This version I don't think is that common either. PCB looks like its been in the American warehouse at the end of raiders for too long.. haha First job , clean up and get rid of dust, remove all hack connector wiring, get...

Hi, If you have any teeny 3.2 boards lying about not being used, collecting dusty i could really do with them for products i make :) Let me know what you have cheers Jim

Hi Got a black screen golden axe 2 board. Tried the decrypted roms idea and removing the extra security board. Made no difference unfortunately I see pulsing on the roms addr and data but no activity on the rom board pal. Also the 27c020 roms oe line is high Looking for advice on what to...

Bought myself another Y unit pcb recently to fix up. Smash TV! Fixed a lot of this era of boards over the years, as love the hardware. Probably because I've spent 30 years fixing pinballs so williams hardware is my happy place, ha ha. Also the diagnostic boot screen on this hardware is great to...

Hi, Back with another old taito board and an idea to see if I can convert it in to something better and more fun. Nothing against Kageki, but its not my cup of tea! I thought I'd have a go at trying to convert to Insector X as it looks more like the thing I'd enjoy and its another 3 x z80...

Thought i would add a quick message about myself seeing as i have added a few threads recently on converting and fixing up of arcade boards. (Taito ones recently) My name is Jim and i live in the UK, near Leeds. (North England) I run a small micro business that makes new pcbs for old pinball...

Hi, Have an original taito bubble bobble pcb that i got with a pile of random pcbs awhile back. I've started to look at. it's non working with just garbled graphics on screen. First thing is the reset line is just resetting over and over (watchdog barking). Been looking at the schematics...

Hi, After the success of the football champ conversion to dead connection i am now wondering if i can convert my F3 single layer Taito 'Cup Finals' PCB Part number K1100743A to something else? Dungeon Magic looks cool as does Rayforce. Are there different flavours of single board, or it is the...