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Bill

@lancto

Into old electronics, games and making maple syrup.

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25.11.2024
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Latest posts by Bill @lancto

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Finally assembled the 19V2000/G05-802 hybrid vector monitor and powered it up. Did a staged power up, first the deflection board alone, then with the HV cage, and then finally with the VSTCM vector generator. Tonight I'll try getting it running with MAME.

#Arcade #CRT #Electronics

11.06.2025 14:22 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Finished the wiring harness

Gotta check the frame transistors and the wiring from the deflection to HV board to make sure no adaptions need to be made, but might actually fire up the 19" v2000/G05 vector monitor this weekend.

#CRT #Electronics #Arcade

06.06.2025 19:56 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

the standard .srt subtitles do not have positional information. The standalone version of cc extract does list .ass as an output option, which is the format used by the anime fan-sub community and does allow positioning. Not sure if cc extract preserves position though.

01.06.2025 19:43 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Built the VSTCM seeing activity on each axis on my scope (x-y mode seems broken)

Also replaced the old hardened anode cup with a similarly sized donor from a newer color TV

#Electronics #Arcade #CRT

20.05.2025 17:20 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
GitHub - english1234/vstcm: The v.st Colour Mod - a colour vector generator based on the original v.st The v.st Colour Mod - a colour vector generator based on the original v.st - english1234/vstcm

Collected all the parts to build a 19" V2000 with a NOS picture tube & just put in my order to have VSTCM PCBs printed.

VSTCM is an open source piece of a hardware that allows a computer connected via USB to generate the XYZ signals for a vector monitor.

github.com/english1234/...

#Arcade #CRT

09.05.2025 18:58 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Not 100% the new tube will work, but nearly everything matches: size, deflection angle, pinout, anode, cathode, grid and heater voltage. Only difference I've found is a slight bias difference, which should be easy to compensate for.

Old tube has burn in and a broken ear tab.

25.04.2025 12:53 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Started a new monitor project. Last year I bought a V2000 b&w vector monitor tube and frame, and due to some eBay luck I'm starting to collect the pieces to rebuild it.

Got a rebuilt deflection board coming, working on getting the HV cage, and found a NOS CRT.

25.04.2025 12:50 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Worked on a 27" dual res Sharp Image monitor. Initially I only got retrace lines and no image, but with enough fiddling I did get the faintest image. One of the resistors in the black level section was open. Decent image besides the top waviness. Gonna cap it next week

#Arcade #CRT #Electronics

11.04.2025 04:49 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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I might revisit the G07 with the linearity problems on the donor tube+yoke. The linearity coil is in parallel with a 390ohm resistor. If I raise the resistor value I think more current will go though the coil and slow down the start of the scan.

#CRT #Electronics #Arcade

06.04.2025 18:30 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Fully reassembled the K4600 with it's new tube. I really couldn't be happier with how this turned out.

#CRT #Arcade #Electronics

05.04.2025 22:29 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Gave up on fitting the k4600 yoke to a new tube and went back to the TV that had a similar yoke but with bowing and tried a trick of putting a magnet on the pincushion transformer. Straighten right out! And I used a convergence strip to fix a corner

#crt #arcade #electronics

04.04.2025 18:00 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Decided to swap the original K4600 yoke onto a new tube. Space heater warms the yokes enough to break free. Always keep the purity rings with the tube so you don't have to set up purity and convergence again. Right corners might need purity magnets.

#CRT #Arcade #Electronics

31.03.2025 20:13 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Swapped the K4600 to a donor TV with a closely matching yoke. Looks like the old tube is just tired
Not sure if I'll do a yoke swap, geometry is passable I think for anything without scrolling.

#Arcade #CRT #Electronics

30.03.2025 18:24 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Reassembled the k4600 I was working on. First picture makes it look okay, but once you turn on the lights it's dim af. I feel this is likely just a weak old tube and the chassis is fine. Gonna need to find someone to use a rejuvenator on it, or else do a tube swap.

#Arcade #CRT #Electronics

29.03.2025 20:08 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

They are, just not something I'd expect multiple anime adaptations of. I guess the novel was very popular in post WW2 Japan.

23.03.2025 13:18 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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If I got a nickel for everytime they made an anime based off a turn of the century Canadian coming of age novel I'd only have two nickels, but it's still strange it's happened twice.

23.03.2025 12:24 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Made about a gallon of maple syrup between two batches. The quick transition from a cold February to a warm March is horrible though, don't think I'll make any more then this.

#MapleSyrup #NewEngland #Sugaring

18.03.2025 22:19 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

The point is there is no set amperage for an EVSE. You can run a 20A 240 circuit and use a 16A charger. For a smaller EV 16A overnight will almost completely recharge the battery.

09.02.2025 19:47 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
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Finished recapping the 4600. Biggest annoyance was the filter capacitor, 4 legs, 2 twisted to lock it on. Ended up cutting the legs off. I can understand why the previous owner just zip tied a 2nd one on and hard wired it.

New filter cap is so much smaller.

#Arcade #CRT #Electronics

09.02.2025 14:41 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Seriously. We had a neutral issue that required the power company and the commented that I shouldn't have an EVSE with my 100A service. It's a 30A circuit. They gonna tell people they can't have an electric dryer or water heater?

09.02.2025 14:33 ๐Ÿ‘ 12 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

My roommates cat used to do that.

06.02.2025 23:21 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Got the capkit and other parts for the K4600.

Did all the caps on the daughter boards, reflowed all the header pins, and replaced the weird black level pot. Previous owners did a partial cap kit, but there were still a few of the original 45 year old ones (gray)

#Arcade #CRT #Electronics

06.02.2025 23:12 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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This things feels like a health hazard. You can tell it lived through the 80s.

Still, it's cleaning up nicely. Major pain to disassemble because of how modular this chassis it. It was apparently an adaption of an existing consumer television board.

Waiting on parts

#Arcade #CRT #Electronics

03.02.2025 19:58 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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While waiting for parts I started cleaning up the k4600, starting with some of its daughter cards.

Just some sprays of simple green, lathering with a brush and rinsing. Got them drying in front of a space heater.

#Arcade #CRT #Electronics

01.02.2025 23:07 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Picked up a WG K4600 for $50. Supposedly works and only need a cap kit and color adjustment.

Odd design. Instead of everything on one board they got these daughter cards and just bolted the flyback and width coil to the frame.

Supposedly pretty bullet proof though. Needs a cleaning

#Arcade #CRT

30.01.2025 20:43 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Have a great MLK day.

20.01.2025 23:47 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I just ask that they argue in good faith and don't ghost if/when they've backed themselves into a corner.

I wouldn't call that being scared of politics, I'd call it being respectful of my time.

I'll point out you already appear to be making me into a strawman to fit your argument.

20.01.2025 22:49 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Eh, I just don't want to see them because good experiences trying to have a discussion is exceedingly rare. It either turns into them dragging goal posts around or just ghosting.

Only conservative I've had good discussions with is my best friend from middle school.

20.01.2025 13:20 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

He got the death he deserved.

14.01.2025 14:33 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Onboard GPU didn't work out, never got a 15khz image. Reused the R700 based GPU without issue. Nice benefit of it is I flashed the bios so it outputs a 15khz signal even during bootup.

If I ever need to go into the BIOS I will need to disconnect it though and use the onboard video.

#Arcade #MAME

05.01.2025 00:10 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0