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  1. MagicianLord77

    3.3uF 50v Bipolar Capacitor replacement size/esr oddity, which one to keep?

    Just found out ArcadeCup has a pic of it with a film capacitor (it is to the right of DY-CON1), so option D should work :)
  2. MagicianLord77

    Mortal Kombat 4 - No Sound - Error 0A SRAM Failure fix

    Very weird, I can't think of anything else more than testing the old srams that have been taken off the board, if they work then they weren't part of the problem, but if any fails then there could be an issue with the soldering of the new ones. If not try find diagnose related components...
  3. MagicianLord77

    Mortal Kombat 4 - No Sound - Error 0A SRAM Failure fix

    What does the boot screen says about the sound system status? any message?
  4. MagicianLord77

    3.3uF 50v Bipolar Capacitor replacement size/esr oddity, which one to keep?

    Hi guys, I find myself recapping a Hong Eun MP-29A chassis, chosen the caps myself, everything is going smooth so far, but I have this curious size difference between the old and new only BP capacitor. Even that they have the same voltage rating and capacitance, the old one is much larger than...
  5. MagicianLord77

    Mortal Kombat 4 - No Sound - Error 0A SRAM Failure fix

    Sure they'll be fine, I guess Mouser ran out of stock first
  6. MagicianLord77

    Mortal Kombat 4 - No Sound - Error 0A SRAM Failure fix

    Hi XaryC, yes, I soldered those new faster ISSI ones in the board that I had taken its SRAMs from, it worked perfectly. I don't remember exactly how many bongs the board was doing but I think it's good to try replacing them if you're having that symptom. Also when soldering those I tried using a...
  7. MagicianLord77

    FOUND Sega Model 2C CRX CPU board - for a House of the Dead repair

    thanks! It was mostly replace ICs around between boards, tedious but with the right equipment is quite doable, the difficult part was to not to give up when not getting the expected results, and keep on going trying to exhaust all possibilities lol
  8. MagicianLord77

    FOUND Sega Model 2C CRX CPU board - for a House of the Dead repair

    Cancelling this WTB request because I managed to fix my board: https://forums.arcade-museum.com/threads/sega-model-2c-house-of-the-dead-3d-graphics-issues-repair-log.549523/
  9. MagicianLord77

    FOUND Sega Model 2C CRX CPU board - for a House of the Dead repair

    I've got a HOTD cabinet with too many odd graphical issues (flying polygons/textures) I've tried to fix without success so far, so I'm looking for a spare CPU board to just swap and hopefully solve this issue (Sega Model 2C CRX CPU board) Would need shipping to US Thanks!
  10. MagicianLord77

    Sega HOTD1 PSU 400-5306CE-01 weird startup issue

    Hi there, I am trying to make the PSU of Korean House of the Dead 1 "upright" cabinet work, it almost works, model 400-5306CE-01, exactly like the one from this image: I'm testing the power supply individually before trying it in the cabinet for first time, with a dummy load in the +5v side...
  11. MagicianLord77

    Name that connector: the thread

    Found them, after some intense reverse image search, they're ELR-12V and ELP-12R And found a better picture https://www.jessewolcott.com/korean-ddr-pad-connector/ Unfortunately they're very hard to get unless purchased by a large amount.
  12. MagicianLord77

    WTB Namco 54XX Custom IC (boom sound chip)

    Looking for a spare Namco 54XX custom chip to repair a Xevious board. Original or repro is fine.
  13. MagicianLord77

    Name that connector: the thread

    Looking for some assistance please with these ones from a Korean DDR cabinet, it didn't come with the cable that connects the cabinet to the dance pads, so I need to build one myself, since also from both sides the connectors are the same gender, but couldn't find what they are. Japanese DDR...
  14. MagicianLord77

    Naomi 1 early revision board - Doesn't boot, black screen

    I plan to replace all rams with new ones, just haven't been able to do it yet. I've purchased these, hopefully they are the right fit: GPU: IS42S16100H (512K Words x 16 Bits x 2 Banks) (16-MBIT) - confirmed as good for graphics ram CPU: IS42S16400J (1 Meg Bits x 16 Bits x 4 Banks) (64-MBIT) -...
  15. MagicianLord77

    Rotate Vertical Game

    I just got a Tecmo Gemini Wing and it was displaying upside down in my cabinet, couldn't find it in your document to see if it allows flipping (later I found it doesn't), ended up plugging the yoke into the other connector that displays the flipped image. Here's info about the game if you'd...
  16. MagicianLord77

    Golden Axe Issues

    Yes. I would also check the uPC324C (LM324) and uPC804 (TL084) opamps if sound does not come back, probably a good one could be piggybacked on top of the suspected one
  17. MagicianLord77

    Can I convert System Multi 32 --> Regular System 32 game?

    I don't think it could be possible, since their sound hardware is quite different, and the System 32 Multi does not even use its single YM3438 for sound, only uses it for timing So basically the System 32 uses FM (6 channel) + FM (6 channel) + PCM sound chips while the Multi 32 uses a just a...
  18. MagicianLord77

    Sega System 32 Multi Outrunners - very weird sound issue, hanging notes?

    Hi there, I'm facing a very weird (compared to others I've seen) sound issue with my Outrunners board, sound pretty much works but the music tracks get more and more crowded with notes that do not stop, it's like they're all sustained. When going out of the sound test menu whatever last note was...
  19. MagicianLord77

    Couple of chassis replacement questions: for dual focus tube?, for 35in tube (Sauroid)?, for TV tube?,..

    Thank you for your time to reply the questions!. About the Sauroid, I got it from an arcade cabinets lot that was stored for many years in not an ideal environment (humid sometimes, rust), I'm sure the Sauroid and the rest of the lot was imported into the country 25+ years ago. Got the pedestal...
  20. MagicianLord77

    Couple of chassis replacement questions: for dual focus tube?, for 35in tube (Sauroid)?, for TV tube?,..

    Hi guys, I find myself in a situation where I'm missing monitor parts to complete some cabinets and bring them back to good working order. Matching of these parts is a bit of a new topic for me so I have this couple of questions: Konami Sauroid I've got this behemoth cabinet that I would love...
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