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I'm well aware of the H.S. Lim pot, and wouldn't have posted what I wrote if I didn't mean it. You are looking at a ~0.4mH horizontal winding on the MS8 yoke while the MS9 yoke is about 0.33mH. The MS9 has a greater range of adjustment than the MS8 overall, but this particular situation can...

Somehow I missed the original focus of the thread. On an MS8-29 yoke, the MS9-29 will never be as wide. The corners are the last thing to adjust because they have some headroom from the parabola applied using Q508; away from the corners, the width is already at its limit. You can cheat and raise...

I don't know how you are spending $1000 when your monitor breaks MS8-29 yoke "works" with the MS9, but the width will forever be a little lower, and for some games with narrow rasters (Ninja-Kun II, Air Buster, etc) they will never fill the screen properly without pincushion distortion, even...

That looks like a normal MS8-29 yoke to me, but it's been a while.

Naomi doesn't support 24k. In connecting the N/W jumper to TPE you may have damaged the HOT, or the protection circuit. TP3 connects to U501, and I believe is supposed to be a test point for checking the protection. That signal runs down by U550 as well, which may have become damaged.

The factory has had my designs under review for a very long time now. I suspect they are themselves dealing with a very long pipeline of work.

In a bit I'm going to put together a really simple shopping list for populating the G1 section and enhance the guide with more pictures.

I did a writeup on a few things you can do to get the most out of your MS9, including Placing a negative voltage on G1 like the MS8 for improved sharpness, and Modifying the chassis to run at 31KHz for Naomi, etc. http://mikejmoffitt.com/pages/ms9-hax/ Stay sharp!

If the pincushion adjustment and width controls basically don't work replace Q508.

Using the dishwasher is a moron method. Setting aside damage from water / contaminent ingress, it's massively overkill, and also I don't feel great about putting something full of lead solder in the same dishwasher as I'd use for dishes. If your PCB isn't too dirty, then just wipe parts with...

Fridge magnets are not the right material. You need a small bit of permalloy insulted on the end of a strip. For these strips I just make my own.

Fixed! This chassis was entirely missing the X capacitors in the primary section. Transplanted them from a dead parts chassis, and it's rock solid now. no more 60Hz ripple, no more switching power interference. Original Post: I'm stumped with this chassis. No matter what I've tried, there's...

Got this going today: https://github.com/Mikejmoffitt/bublbobl-freeplay https://github.com/Mikejmoffitt/bublbobl-freeplay/releases/download/0.1/a78-06-1.ips

If the colors bleed when the gains go up, first turn the biases down for all channels, and bring up the flyback Screen / G2 control until you can see the black area, then back off a bit. This might give you more usable range, in case the streaking you are seeing is peaking during...

A rejuvenation won't help with convergence. However, if focus is adjusted after, that may help a little bit in a roundabout way.

Gotcha. I suspect a huge lot of Aeros were imported to socal in the mid-90s. A lot of them have all the same ugly American control panel hackjobs and stretched marquee art, as well as the pedestals many of these were on. When I visited Nickel Nickel in ~2018, there were twenty or so Aeros just...

That cabinet cleaned up pretty well. Did it happen to come from "Nickel Nickel" ?

With a temporary coin plate made out of plastic, I'm at least able to mount the start button and get things rolling. I cleaned up the body a good amount as well. I installed a Nanao MS9-29 that I've had on hand (with a spicy mod that will be detailed later). Here is a shot of it first running...

It's the only Cave game besides Dangun Feveron that has a Free Play.

Okay, there are a lot of CRT sockets out there, not just CR-23, and the footprint may be different. I still have multiple spare neckboards that have what you need on them.