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  1. koki

    CPS-3 mainboard's Battery: How to handle?

    Hi everyone, I just got this CPS-3 mainboard, it's working great. I open up the plastic cover on mainboard and found the 1/2AA battery inside. What is the purpose of this battery? How to replace with new one? Can it harm the mainboard if taken out?
  2. koki

    (SOLVED) NNC Toshiba D129C051 Jailbars HELP!!

    Hello, My NNC monitor had deteriorate issue like blooming picture etc. So I changed the whole chassis to new one (bid from YHJ). Model is exactly the same (PD2367) othe specs as follows; . Toshiba PF D29C051 Tube: Beijing-Matsushita A68LZU185X Neck: B10-277 . Then this jailbars happened (both...
  3. koki

    Hyper NG64 (FF Wild Ambition & Buriki One) boot up issue

    I bought HNG64 mobo which came with Samurai Spirits Warrior Rage few years ago. They work pretty fine. . Recently, I bought other carts (FF:WA & Buriki-1) to play on the same mobo and problem occurred. . When I the game boot up both carts they show following message on screen; “HYPER NEOGEO64...
  4. koki

    Nanao MS-2930 Geometry Help!!

    My Nanao MS-2930 monitor have “Barrel Distortion” issues as in following pictures; . I think the one of these knob on chassis should fix this issue. But I want to know exactly which one control this since the far side knobs is very hard to reach :( . Any help would be appreciated!
  5. koki

    [SOLVED] Blast City's Nanao MS2930 Contrast issue after recapped HELP!!!!

    I just recapped Nanao MS2930 due to "black goop leakage" on the chasis. All capacitor I used is 85 degree specs. . After recapped, cleaning and reassembly to the cab there was some issue. . I tested with CPS2 and MVS when start the game (RAM check screen, capcom logo etc.) there is no problem...
  6. koki

    MV1FZ sound vanishing, please help !

    Hi Everyone, I got this MV1FZ with UNIBIOS 4.0 equipped few months ago. It used to work flawlessly until last week the sound effect (Metal Slug) had some faulty then vanishing (completely loss sound) How can Ifix this ?
  7. koki

    Dark corner PF D29C051 please help!

    I have Toshiba PF D29C051 with MATSUSHITA tube in my New Net City. There’s a problem that lower left corner have dark image splash that annoyed me when playing. . Which part is possibly failure? And how to fix it?
  8. koki

    [SOLVED] Japanese cocktail cab issues!

    Hello everyone, . I just got an old Japanese cocktail cabinet as in picture. After some chasis servicing and PSU swap, I tested with CPS2 and MVS, they runs quite well except 2 issues; . 1) Sound vanishing - This cab use no amplifier, I just connected speaker directly to L, 10 from jamma edge...
  9. koki

    System 357A (Tekken 6BR) unable to boot up

    Hi everyone, I got System 357A mobo with Tekken 6 BR from my friend recently. We have tested it couple times (on Namco Noir's JVS cab) and it works perfectly. So the mobo is 100% working, no faulty. Then I bring it back to home and hooked it on my system detail as follows; 1) Namco Noir's...
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