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Happy to pass anything onto Andy Walker - he's a nice approachable guy. Ping me specifically what you want to know on PM and I'll pass on.

There's a schematic on page 25 of the manual here: https://app.box.com/s/bw3pip8cpm8hclzlyik3kysmoqp7vfqt/file/661351909876

Got an issue with a Nintendo Vs PCB. One side doesn't display red. Confirmed both monitors are good. The PCB is running Vs Tennis on both sides. The PPU is RC2C03B on both sides. I've looked at various components - replaced a couple of ceramic capacitors that had damaged legs, replaced the...

Problem solved - TB Lilley over here has a spare! Appreciate your help figuring this out. As an aside, I'm curious as to why the extension cable is needed? Why wasn't the loom made longer?

Thanks - $55 to ship that to the UK kinda kills it. At least I know what I'm looking for. Cheers!

Well you learn something new every day. But that's a bummer. Is it literally just an extension cable to go between the two connectors on the harness and the one mounted on the frame? Thought I'd be playing by tonight. If anyone can help me out with one with a few bucks your way, I'd be...

I'm putting a Gravitar upright back together. It came to me in bits. Problem I have is the harness appears to be too short to connect to the 6100 when its mounted in the cab. Even if I start by connecting the harness to the 6100, there doesn't appear to be enough wire to reach the PCB connector...

Cool info.

Yeah kinda - those stretchy vectors come and go almost imperceptibly. Test mode is completely stable and normal. The game only flickers the random vectors, during play, and in game demo attract mode. It's stable when the high score table is up.

I've been testing out a supposedly working Battlezone board for a friend, and it seems to be running, but with a few issues and I wonder if anyone can give me some pointers as to what might be up. PCB is getting a solid +5, all chips have been reseated, and inter connecting loom unplugged and...

Can anyone here with a Cosmic Guerilla, take a picture of the transformer with the red, purple and Orange wires coming off it (the ones that go to the PCB?) The reason I ask, is my red and purple wire voltages appear to be reversed in terms of what I'm reading compared to the schematics. Red...

Jesus. I'm sure Scott thanks you for getting your knickers in a twist on his behalf, as I guess he forgot to get angry during his dialogue with me. As it happens, he was curious to see the result. I figured posting my experience on here might help someone figure out similar issues without...

Now that these have started shipping out, I thought I'd share a few experiences I've had installing this kit. My Asteroids board had two issues that I never really addressed over the years: 1. It had a speed up hack done at some point, involving pins 3,4 and 5 at C5. 2. Test mode never worked...

Appreciate that Andrew, thanks.

I've dismantled and cleaned up my Battlezone sticks, and now need to rebuild them. The manual mentions two areas that need lube. The actuator pins at the bottom of the shaft, and the large ball in the middle. As per: The large ball - do I need to cover the whole thing with lube? I have some...

Perfect - thanks.

Dishwasher feels like overkill to me. I give things a wash in the sink. Get some detergent on, agitate it with a brush, rinse off with warm water, leave to dry overnight. Never had a problem with monitors, PCBs and wiring looms.

Are Battlezone control sticks interchangeable? i.e. If I have two complete right hand ones with the fire button, can I use one of them on the left? Is the button capped off or something? Thanks

I have a trackball from a Centipede that was full of gunk and not rolling around nicely. I've taken it apart, washed everything and its now drying in the sun. The rollers are barely worn, so I'd like to keep everything as is if possible, rather than buying replacement parts. Question about the...

Several of my Atari cabs hum and buzz a little too loudly, and I've pinned it down to the large transformer block on the power bricks at the bottom of the cabs. Specifically, it's the vinyl wrap around the block that has come away, and the vinyl vibrates against the metal causing the buzz. When...