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Hi! This Moonwalker have this white bars or stripes on the screen, the ram/rom test gives all ok, and I tested and replaced the other roms with no difference. I changed the cpu/program roms to a decrypted set with no change. Someone could give me some hints of what to look for? Thanks!

Hi, I'm converting a bootleg Puzzle Bubble in a King of the Monsters. The 2 pcbs are 42G-1 and I used the mvs-scans as template. I used the roms following the basic principle, M1 - 27c010 | S1 27c301 or non jedec 27c1000 or 27c1001... | 27c400 for P1 and 27c1024 for P2 | 27c800 for C-Roms |...

Hi! I was give on a trade a SFZ3 without battery or infinikey, the board have original roms and boots a solid colour screen (blue-grey, sometimes pink). Using the Suicide test rom I have the same results, solid colour. I made the following steps: Verify voltage: 5,08v on top. Reseated all roms...

Hi, I have a Violent Storm without sprites, the mask rom test shows bad rom in the 4 sprites mask roms, I did a reflow of the 055555 and 055673, but without any changes. Is the 55555 faulty or there is any chance the 4 masks roms are really bad (I didn't remove them but did a pigggiback without...

Hello everyone! Long time player, new to collecting/repairing. In the last 2 years i´m starting to learn how this fantastic tecnology works, and repair (or try) for me and some friends. I love Beat 'em up´s , sega 16/18 classics, CPS1 and some Konami great titles, but its all fun to me! See you all!