User:Grobda
Bio
Collector of arcade boards, retro systems and games since around 1998, focussing on systems I've owned over the years and games I played as a kid, along with an extra dose of shmups, my favorite genre.
Systems
Video Wizard Mk.2 horizontal Jamma Cab
chopped Naomi vertical cab, Jammatized.
Self-built supergun using sega megadrive arcade sticks.
Working Boards
1942 (Capcom)
1943 (Capcom)
'88 Games (Konami) Repaired Missing speech by replacing missing 640khz crystal
Air Raid (Seibu)
Alpha Mission (SNK)
Amigo (Amidar Bootleg)
Battle Cruiser M12 (Sigma)
Commando (Capcom) Repaired Sprite errors by replacing 2114 RAM chips on bottom PCB
Exerion (Jaleco)
Galaxian (Midway) Repaired track from 1U to resolve magenta screen. Played but diving objects move incorrectly, replaced 74ls163 @ 4t to cure.
Galaxian (Midway) Bad Daughtercard, replaced with multigame hack
Galaxian (Midway) Missing daughtercard, replaced with 27128 rom hack
Galaxian (Midway) Replaced 9101 RAM at 5F, repaired broken track at 1B
Ghosts 'N' Goblins (Capcom)
Grobda (Namco)
Hi Sho Zame (Taito)
Hypersports (Konami)
Joust (Williams) Repaired by replacing several 4114 RAM chips and 6808/6810 on sound board with a 6802
Ikari Warriors (Bootleg) Hacked to play like commando with no LS-30 sticks.
Kung-Fu Master (Irem)
Kyukyoku Tiger (Taito)
Last Duel (Capcom)
Last Mission (Data East) Repaired constant buzz by replacing bad 470uF cap in sound section.
Major Title (Irem) Repaired (no sounds) no clock signal at z80 or YM2151 caused by faulty 74LS368 at IC3.
Mechanised Attack (SNK)
Mr Do! (Universal)
Ms. Pac-Man (Bootleg) Running to fast/Half maze repeated twice. Repaired by swapping faulty 74LS161
Prehistoric Isle (SNK) Replaced 2x2063 RAM and PROM at location 16 with two eproms at 17,18. Repair Log here.
Puyo Puyo 2 (Sega/Compile)
R-Type (Irem) (Major Title conversion)
R-Type 2 (Irem) (Major Title conversion) Repaired bad colour by patching two broken tracks in corner of top board.
R-Type Leo (Irem)
Raiden (Seibu)
Raiden 2 (Seibu)
Raiden Fighters (Seibu)
Raiden Fighters 2 (Seibu)
Raiden Fighters Jet (Seibu)
Road Fighter (Bootleg) Repaired broken track to fix graphics corruption.
Road Fighter (Konami)
Saint Dragon (Bootleg)
Scramble (Konami) Repaired no sound by replacing 2114 rams on top board and bad volume by replacing 2x4066 @ 1D/G
Shinobi (Sega)
Side Arms (Capcom)
Silkworm (Tecmo)
Space Invasion (Bootleg)
Star Force (Tehkan)
Storming Party (Bootleg)
Thunder Cross 2 (Konami)
Time Pilot '84 (Konami) replaced numerous faulty fujitsu logic to repair. Repair log (forum thread) here
Track & Field (Konami)
Playable with Faults
Final Round (Konami) Some Jailbarring. Repair log so far here
Not Working
Golfing Greats (Konami) Colour faults resulting in unplayable game due to ball position being flagged by pixel colour... odd.
Kung-Fu Master (Irem) (Sprite Faults)
MIA (Konami)(Indicates ram fault but chip already swapped)
Punisher (Bootleg) Bad RAMS, unreadable PIC, probably scrap PCB.
Raiden (bootleg) screen garbage.
R-Type (Irem) Garbled/missing sprites.
Untested
Space Harrier (Sega)(Boots, cant test properly)
Defender set #1 Defender set #2
Sold
Altered Beast (Sega) - Corrupt sound, samples ok - replaced faulty YM2151 to fix.