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    Problem calibrating a Hantarex Polo 28

    This is using a Sega Naomi via VGA. This is the best monitor I have been able to find so far and I was planning to put it into a Naomi Universal (I realise mounting it will be a challenge and the 1" loss will mean I have to get creative on the bezel). Any advice on what adjustments I can do? I...
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    Is a Sega Chiro monitor compatible with Sega Naomi 1/2?

    Hello all, I've been on the lookout for a while for a replacement screen for my Naomi universal. I've spotted a Sega Chiro cabinet with Ghost Squad. From what I can see - it looks like a Universal cabinet that's been painted black with the light gun area to the front. From what I've been able...
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    SOLD Sold - Sega Naomi Universal 2 Player Control Panel - £20

    As pictured, sticks still work. Overall fairly dirty and in need of a refurb. Collection preferred from Essex, UK. Postage can be arranged.
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    SOLD Sold - Sega Naomi 2 Motherboard - Faulty - £20

    Doesn't post/show screen - looks like the previous owner started re-capping the board and damaged some pads. I have fitted any caps I could, but still no luck. Tried without a game and an N1 game (as these work without the 2 removed ICs). Strictly for spares or repair. Collection preferred...
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    Naomi 2 checkerboard showing - but RAM test all GOOD

    Hello all, my Naomi 2 has just started showing the checkerboard pattern when playing N2 games. N1 games seem fine. RAM test on N1 and N2 mode are showing as all GOOD. If I hit the SERVICE button as it loads the BIOS you see the screen clear up for a moment on the N2 game. Screen looks OK in...
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    Kick harness wired wrong?

    Hello all, I got this from arcadeartshop and I think it's wired wrong. Only one button works on P2. From what I can see, the GND is wrong for P1 and P2 (in this photo 2nd on the left). The 2 diagrams I have managed to find support this. Anyone else got experience of this?
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    Service button not working

    I have a Sega JVS IO that is being detected by games. Coin counter and mechanism is connected and working (luckily an old £1 coin was in the machine!). However if I load the BIOS menu up with the TEST button (on CAB), the SERVICE button doesn't work (in the game it adds a credit). If I try the...
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    LCD replacement for Sega Naomi

    I imagine this one has been done to death - but does anyone have a good recommendation for a suitable replacement for a Naomi cabinet? I am aware such a large display in 4:3 or 5:4 is next to impossible.
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    Sega Naomi Cabinet arrived today!

    Arrived today - needs a motherboard and screen - but otherwise feeling very pleased! I had little or no details, but it turns out its still got the step down, psu, audio amplifier, coin mechanism and IO board! Does anyone have a recommendation for a good LCD to consider? Obviously will need...
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    Sega Naomi 2 - RAM test sometimes bad

    Hello all, I have a really baffling Naomi 2 problem. It plays N1 absolutely fine first of all. N1 RAM test always works. I had suspected the N2 problems were down to overheating (random lock ups doing RAM test) and I had to replace the fan that wasn't always moving. I even went so far as to...
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