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Looks like P4s are back in-stock P4 Pole Position Multigame PCB at Arcadeshop

Looks like P4s are back in-stock https://www.arcadeshop.com/i/1758/p4-position-multigame-kit.htm

Thank you

I'm helping someone that has an multicade on their rental property. It "was" running (the on-board power supply fried) a JAMMA GAME KING 2100 IN 1 MULTI BOARD (G1S2p) and needs the board replaced. I'm unfamiliar with these, but they look to be a pc platform with the games loaded on a HDD and...

Thanks...I pulled that mk.zip from a MAME site. The odd thing is UG12's checksum is 0x04E0326D (from my chip which someone pulled from a different site) and the UG12 checksum from the mk.zip from MAME is 0x04E1326D I ran the mk.zip MAME on my advancedmame emulator and seems it's the right...

I’m working on an MK2 for someone. The issue is they don’t like the current version on their game because it’s says “Friendship” at the beginning of each round. History: they bought the game from a guy that hack it up with two different versions on UG12 and UJ12, and was causing a glitch. I’m...

If you're talking about the Peak LCR45, yes I've been using it for several years and find it extremely useful and at the right price for the hobby. I use it extensively to measure yokes Even though it has automatic settings, I've manually set it to measure small capacitors in lieu of a...

What did you use to clean up the schematics?

Absolutely agree! Ken was able to resurrect a complete non-working board, that was fried because the power supply was turned up.

I've been trying to locate a manual and schematic for NFL Blitz (original 2-player 1997 version) but only found a conversion kit version. Unless I'm mistaken, there is a dedicated NFL Blitz cabinet and not just a conversion version. If there's not a manual available, is there another game that...

SOLVED: It was the audio amp, specifically R383 (39 Ohm fusible resistor).

Thanks for the suggestions! Thinking the same with swapping out another board and amp (I'll need to scrounge one up). I'm wondering if the other transistors (the ones driving the base of the power transistors) are damaged or the diode. I'll check them too.

Need some direction on where distortion is coming from on a Donkey Kong 2 that I'm working on for someone (not my game) Symptom: Higher frequency sounds seem ok, but when there are lower frequency sounds (ex when the monkey stops he's feet) it sounds a bit crackly / distorted (see video below)...

Thank you!

Inquiring if anyone repairs Atari Road Blaster PCBs. I have a board set from a cockpit version and the game seems to have video and audio issues.

Congrats!

The only place I found 3D-1001 were fakes or none working

Glad you found it.

Mosfet Caps

I wish...I think