The High Voltage Unit In This Vector GRAVITAR Arcade Game Doesn't Work
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- Опубликовано: 2 май 2024
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Allan one is a reference to the creator of Tron in the original movie
The repair was systematic and thorough. Two of the cheap transistors were sketchy, so it makes sense to replace them all for the customer's sake. Same with the Zener diodes (1 was bad). He tried to save the NE-555, but it bit him in the rear when it went dead on Test 2. Callbacks are not in anyone's best interest, especially when you have replacements on hand. A retest of the voltages after would have been educational, but it's also a lot to ask for a free RUclips video.
I would think Alan1 is a nod to the original Tron movie. Tron's user was Alan1.
Keep doing what you're doing! Really enjoy your troubleshooting, as well as the games.
That’s where I knew that from !!!!!
Good memory !
Correct! The font is a Tron like font too
Yes. I realized that after the fact. 😉
Commented same, need to read comments first, then add mine next time xD. Agree.
This game is beautiful
I love Gravitar. I only ever saw in an arcade once, on holiday as a kid in South Wales, but the booming bass sound has stayed with me
All those vector games may be tough, but Gravitar is *especially* tough. It takes real finesse to get anywhere.
They're such beautiful games. Funspot up in Weirs Beach, NH has a whole row of Atari vectors: Tempest, Star Wars, Gravitar, Space Duel, Black Widow, Major Havoc, Quantum. And of course Asteroids and Asteroids Deluxe. They also have some of the non-Atari ones: Star Castle, Space Fury, Star Trek: Strategic Operations Simulator.
Do ya remember the lunar lander game? No idea who made it, I just remember seeing it at Golfland in Phoenix when I was a kid.
@@pliskenmovie It was an Atari vector game. We had one at our local mall arcade game back in the day.
Pinball PA in Pittsburgh has Tempest, Tempest Tubes, Major Havoc, Gravitar, Space Duel, Black Widow, Asteroids, Asteroids Deluxe, Lunar Lander, Star Castle, Armor Attack, Rip Off, Space Fury, Eliminator, Star Trek cockpit, Star Wars, The Empire Strikes Back, Star Wars cockpit, Solar Quest, Tac/Scan, Zektor. They had Red Baron, Warrior, Star Hawk, Dedicated Star Trek upright, Asteroids and Deluxe cocktail tables, but those were sold or stored and are not currently there.
Is this the place called "Fun Spot" in Laconia, NH that I always hear Howie Carr broadcasting from? That is one famous place if you know of or follow the Billy Mitchell story. That whole saga is just CRAZY and that place has a storied history.
This is great! I recently got a wrestlefest cab all beat up for cheap and after some homework discovered it was originally a Gravitar! After playing one at Galloping Ghost I really want to restore it!
Zener: The Warrior Diode
Wonder if Joe knows whats wrong with the monitor? 🤔
Yep Alan 1 is a nod to the Original Tron movie
I commented that, didn't see you already mentioned. Yep, I think so too!
Very cool machine! Have a good weekend.
Love your work Ron! I did consumer electronics repair in the 80's.... TV's, VCR's, Home Stereo, Car Stereo, and even a few arcade games, so this is right in my wheelhouse. I miss it a lot, thanks for your videos!
I use to love playing Tempest, but i have never seen this one before. It's like Space War but in color. Very cool!
Nice work :) Gravitar may be the hardest of the Atari vectors.. Thanks for the video! (Lilypad19)
Always liked asteroids, never saw gravitar. (Kids to raise gave up the arcade games and drink). What a cool game, you really had me guessing what broke.
Nice looking jukebox by the game right there
Great work with the schematic Ronnie. Looks like a really fun game. Thanks for the education.
Things get interesting when the gravity is reversed and the terrain is blacked out. I liked the games like Gravitar and Defender back in the day where everyone complained they were too hard yet they could be mastered if you stuck with them. People thought you were practicing some sort of dark magic when you were winning at them.
Yeah, I remember playing Gravitar a lot!
Reverse gravity was fun but the black/invisible terrain was (too) stressful for me lol.
I always liked those vector inertia games but for many people it was too abstract/difficult and not so popular in our arcade here in the Netherlands.
@@Doman2000 I remember Gravitar showing up brand new in one of the large arcades and it didn't get much play there even when it was new. Like you say it was hard for many people to understand finessing the controls. Usually after a game or two spent slamming into the planet surface they walked away. Being a serious looking Atari vector game and looking so sharp I felt compelled to pay the price to figure it out. Probably the number 1 Atari vector arcade I would consider owning even with the greater popularity of Tempest. It's been a very long time but If I recall the strategy was to hustle to next easiest planet and not bother engaging with enemies on the way there unless you had to. Collect as much fuel available as quickly as possible in that level and then move to the next. It was mostly about fuel and ship conservation which is why you'd max out collecting fuel available in the least amount of time at each planet you went to before advancing to the next more difficult planet.
I loved that game!
Hey Ron!!
Hey Jason!
Zeners could short or be significantly leaky under a load. And yeah, 555 timers could have weak or failing final output stages. So yeah, shotgunning the semiconductors here might be the best way to do it, especially since they are inexpensive.
That fan is super loud man 😂
good work Ron Hope customer likes it, but doe needs a slower mode.
I’d use an LMC555 (the CMOS version of the 555) instead; it can tolerate a greater power supply voltage than a standard NE555.
Fun flashback fact: This was the first video game that cost more than a quarter to play. The first one I saw out in Hollywood in '82 was actually a dollar to play.
Flashback fact. Price was all dependent on the game owner/operator. In California, yes this game and many others were 50 cents. So for you, it may have been 50 cents or more. In Falls Church, VA, this game was 25 cents and was a complete failure because it was too difficult.
It ended up like that quickly. This had to be one of the very first batch out, I didn't see it in any of the numerous arcades in Pasadena for weeks. It was too hard for it's own good, agreed.
We had one at our local mall arcade back in the early 80's. It didn't last long due to not many people playing it. I know I found it too hard and I guess others did too. Think it was replaced with TRON.
39:30 This shoot was clutch!
I need to travel back in time and play this and Defender. I found these games too difficult and did not want to invest the stack of coins needed to learn them.
Gravitar was also one of my favorites. I am going to have to see if I have that rom for Mame. Learned something new today too, didnt know that about vector display output an a ocilliscope.
I have the rom or mame on mine but control panel isn’t set up the same. Like I have to use the stock 8 way joystick to turn the directions. Then the fire, thrust and fuel sucker, are all on different un-mappable buttons. Too hard to control. Not like the original game. But still looks almost like a vector monitor.
Hi Joe I just want to say I am enjoying my purchase of the sims 2 for the Nintendo Ds
Thank you sir
Sweeeet follow up
I got the official software conversion on CD
You can adjust the frame rate of the camera to get the flickering out
you can't really with vector display
You can test zener diods but you need a correct meter that can supply the voltage you want to test.
In school we would test them in series with a load resistor on a breadboard.
Alan1 might be a Tron reference. Alen1 was Tron's programmers user name. Wonder if there is a Tron vector game?
Looks like others commented same 😀
I'm having trouble searching for older videos that you made. Is it possible that you could start numbering every episode and put the name of the machine on the description to make it easier to search for the video. It would be greatly appreciated.
Thanks Keith
found a rip for PC of astroids, is there a rip of for this one to?
X-Y display high voltage transformers went bad like water.
So is the aftermarket thing acceptable or no? I haven't tried it. I really prefer the original stuff, and when you fix it correctly, it just works.
Alan-1 A Tron Reference..
you need to get obs for you pc ats is free
Vector is cool because there are no pixels.
so your saying load up the parts cannon and blast it ??? man i wanted to know the defective parts ,, Im dissapointed Ronny
Which part was defective Rory? You tell me, you disappoint me in your disappointment
It was broke!
Hi
Hey LIl Everette!
Yodelayheehoo
Pretty shaky design, to take 180 volts, then drop 150 volts of that with a zener diode. That is going to leave about 30 volts, plus or minus 100% of the variation in the 180 volt supply. Pretty oddball design choice. You are not only dissipating 5 times the B+ draw in the zener, you're inheriting 100% of the variation and ripple.
Oh wait, never mind, it's part of a negative feedback regulation circuit. In that case, you do want to lose lots of voltage, to leave more of the residual. Never mind.
It's not supposed to drop 150 volts, it's supposed to run at 150 volts