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This game has a specific 36 pin connector so I had to build a converter (to JAMMA). First symptoms were no video signals (no sync) but sound worked: replaced 74LS74 @ M9. Then black screen with sound: replaced 2 * 153s @ D2 & E2. I obtained an image but with a corrupted sprite layer (completely...

As I said to Raz, when my stuff was in storage I used to play the Neo in Kawaks and I used the cheat engine to unlock hidden characters or levels. Most of my cheats are already included in the Unibios however some interesting ones are not. Any contribution is appreciated, please check first...

This game uses a specific 44 pin connector and was missing the flat cables between the 2 boards. First thing to do was to build a converter (to JAMMA) and take the cables from another known working game: The symptoms were, OOOO on screen, bad colours and no sound: Compared all the EPROMS...

That one was super easy, upon boot game indicated 2 bad RAMs @ C11 & I5: I replaced them but the game hanged up. RAM @ C14 was faulty too (although indicated as OK). Then sound was glitchy: bad RAM @ F5 (not tested on startup, can't be tested in test mode). Sound was still glitchy: bad ROM...

I got a faulty World Rally board from Rugdoctor. The game booted but had 2 issues: - RAM checksum error at address XXX (changes every time you power the board) - Coprocessor not ready (indicates the game has committed suicide) For the RAM error I first thought it was bad but discovered a cut...

I was waiting for an admin to create me an account on jammarcade.net but it doesn't seem to come... I got a non working 1943 board from fluxcore. First obvious thing to notice is +5V connectors were burnt on the JAMMA edge. Never a good sign. I checked for other burnt traces or components on the...

I'm trying to fix a PGM IGS board which has an extreme battery leakage. Unfortunately few info is available online. For instance my board is stuck on a green/yellowish garbage screen and I'm not sure of the behaviour the board should have if for example the backup RAMs are unwritable/unreadable...

A little bit of history: http://www.neo-geo.com/forums/archive/index.php/t-251455.html The 2 halves (long story ;) ) of GMOTW finally ended up to my place. Graphics were severely corrupted (blocky): I checked all the traces on the CHAFIO board but didn't find any broken one. (Also checked...

Hi, I got a defective SamSho II cart (MVS) from xsq (thanks again). The sound is crackling. Here are some details : - Intro sound (NEO GEO logo) plays fine - All the music is distorted either in game or using the jukebox option in the UniBIOS - All traces from/to the PCM chip, V1/V2/V3/V4 ROMs...

Just as the title says... And possibly a faceplate too.

Hi, I'm looking for a Panasonic service disc 2 to region free the DVD player for the Q. Seemingly it's not possible to make a copy of the OG disk as there's an area on the disc you can't access. Don't know if that's true. Has anyone experienced the DVD firmware upgrade for the Q? I do know you...

I'm trying to fix a MV1F for fluxcore. The battery has leaked and eaten some traces. fluxcore has already found 3 broken traces and fixed them but that didn't help. The screen is a complete garbage but doesn't flicker. The color change each time you power the board. I've found 2 other broken...

I hope this time it's the right section. So, I'm after a PGM 1 game to test a motherboard. Anything cheap is fine. Shipping to NZ.

Created a new thread in the right section. I'm after a working game for IGS PGM 1 to test a mobo. Anything cheap is fine. Shipping to NZ.

Looking for a cheap and random game to test a mainboard. [EDIT] Oups! Wrong section (PGM is so close to MVS!). Any mod to move the thread?

I'm looking for the transfer software (to update the DIMM board to either 4.01 or 4.02 from 3.17) and the zero key hex file (just the ready to use file not the source + tuto on how to create it...).

I grabbed a PCB of WrestleFest, US version (Technos). When the volume is set to more than say 10%, horizontal bars start to appear on screen. The loudest the sound, the more the bars are visible. There isn't any problem with the sounds (no distortion of whatever) however the amp gets very hot if...

So after a brief discussion with some members in the chat, it seems that there isn't any English translation of SS RPG available yet. Luckily it does exist a French translation made by LeNobleBahamut. Translation isn't an issue for me as I'm a native French speaker with academic level. The...

Easy DIY project. I don't know if the harness is the same in all cabinets. In my 6 slot (Pacific), harness for right headphones (player 2) was missing, so I simply built one. Parts needed : - Male Molex connector type 1046 (03-12-1046, 19-09-1046, etc.) x 1 - Female Molex crimp pins type 1222...

Sometimes what seems to be easily fixable turns out to be a little more complicated. I've got a problem with the marquee lights on my 6 slot: EL panels light up in order 1, 3, 2, 4, 5, 1 instead of 1, 2, 3, 4, 5, 6 in the hardware test. There are only 4 ICs on the board and I've fully tested...