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Welcome!

A nice remake of double dragon

Mitsurugi-w, I'm interested in getting the new rom board. Would you mind to do some tests to confirm the new board doesn't have the sound issues I mentioned? I'm also interested in getting the repro Analog I/O expansion board for Hot Rod & Rough Racer. How much does the board cost?

Last time I tested, the enemy character also didn't make sound when shot by bullet. I don't remember if it's also the case when the player character dies and when the enemy characters got slammed by the door.

Just want to confirm, does the new design fix the muted player character issue?

The pins order should be as I indicated on picture below.

Based on the wiring diagram at link below, it's 26th pin on the 32 pins hirose connector. It should be red color. https://wiki.arcadeotaku.com/images/b/b9/SegaBlastCityWiring2.jpg

I tested both the multi and my original rom board. Both sounded ok. Previously I tested with my supergun but this time I tested with my arcade cabinet. Arcade cabinet sounded better. It could be something wrong with my av cable. The conclusion, I think all games sounded ok except Astyanax...

You can probably use Vampliers to extract the screw out, it looks like the link below or use a small dremel power tool with the small cutting wheel to cut a line accross the head screw and then use flat screw driver to unsrew it. Vampliers...

Welcome

Hammy, I re-programmed the chip with the same data but left "Protect after programming" unchecked. All games are working now. Thank you so much

I re-burned the 3 rom files but it was the same. I'm using 27c322 for all files. Is the 28c256 chip located at the position I circled on picture? Is the chip supposed to be empty? I never programmed 28c256. To erase the chip in unprotected mode, do I uncheck 2 checkboxes under Others and...

Hammy, I re-burned the 2 program roms but it's still the same. Maybe one of bin files is bad?

Let me try that. Thank you

Hi all, I got my Namco NA System Multi installed. All games working except Tinkle Pit. After passing test screen saying all are ok, it went to Warning screen (about this game is Japan exclusive only and etc) and then went to black screen and stayed that way. Anyone had this issue before and how...

Good idea. Let me compare with the original first.

I see. It's the music that's a bit rough. I did recap all electrolytic caps. Is this still due to oki or oki roms?

I finally got the Jaleco multi installed. I have questions: - Does the Legend of Makai have no music? - Did anyone experience the sound a bit rough? (it's better when it's set to Stereo)

Maybe this video can help: View: https://www.youtube.com/watch?v=j_4cm8-elqg&t=29s

I have HOTD2 but it's only using game cartridge (rom board), not gdrom disk so I only needed to connect my power supply to the naomi and usb cable from naomi to jvs io board. See link at thread below how to wire naomi...