Tempest Spot-killer. Guidance requested.

DarthLister

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Hey all. Tempest and 6100 giving me spot killer LEDs (3 LEDs active on deflection board, 1 on game PCB). Completely disconnecting the monitor power still displays the LED on the PCB. Since I'm still getting the LED on the PCB, does that mean the main issue is goign to be with the PCB and not the deflection board? Still learning vector tshooting.

Thanks,
Rich
 
I've written hundreds of posts about 6100's and Tempest troubleshooting.

Look through these threads. Focus on the ones that are about Tempest or Star Wars, as the troubleshooting procedures are the same. Most of the threads are going to say the same things.

You need to do some testing to determine if it's the game board and/or monitor that is the root issue, as it can be either. But the procedure is covered in many of these threads:


If you have questions after, ask them here.
 
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What andrewb said.

The LED on the game board just means the game board is getting +5v, or something in the realm of +5v. It's not super useful. You're still going to be troubleshooting the game board, starting with verifying all of the input voltages.
 
if the game board was set for free play the start buttons would be flashing if it was running. or you could just add credits from the coin switches.

like andrewb said, he's covered these subjects extremely thoroughly. you have to confirm the game is running before you can progress to more troubleshooting steps.
 
if the game board was set for free play the start buttons would be flashing if it was running. or you could just add credits from the coin switches.

like andrewb said, he's covered these subjects extremely thoroughly. you have to confirm the game is running before you can progress to more troubleshooting steps.
Oh, yeah, the game plays fine. I can even get through the first couple of screens blind :)

Welp...*some* questions answered. Looks like R711, R703, and R702 all went up. F700 is blown as well. Does that point to a bottlecap transistor issue?

EDIT: someone replaced F700 with a 5a instead of the 3a that's supposed to be there. I guess that explains why the resistors fried

Rich
 

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Oh, yeah, the game plays fine. I can even get through the first couple of screens blind :)

Welp...*some* questions answered. Looks like R711, R703, and R702 all went up. F700 is blown as well. Does that point to a bottlecap transistor issue?

EDIT: someone replaced F700 with a 5a instead of the 3a that's supposed to be there. I guess that explains why the resistors fried

Rich
you'll need this. the deflection board parts layout/listing is on pages 25-27. you could likewise compare to the parts in the 600 section, if you were unaware the X and Y axes are identical.

you'll also need to read this. chances are you popped the 3716/3792 frame (bottlecap) transistors for the 700 section, I would venture D702 as well, and the U07/U57 pre-drive transistors in the 700 section.

I would encourage contacting @andrewb about what to do, if you're new to this you'll have a difficult time trying to fix it yourself.

at least the game is working though, the monitor part is vastly easier to fix if you're experienced at dealing with these exact issues.
 
You have typical deflection failure. You will have many blown components on the deflection board, not just resistors. You will also have bad transistors, and diodes as well. Several of your frame transistors are probably going to be bad as well. You will need to test them all.

You will need to find and replace all bad components before attempting to power the board up again. Otherwise you will just end up frying a bunch of the stuff you just replaced.

If you want it rebuilt, you can always send it in. PM for details.
 
It saddens me that the world seems to have lost the ability to search and seek information. Everyone just wants to be spoon fed information.


It's conditioning. Blame Facebook.

There's a reason why they call it a 'feed'.

But I agree. The info in the archives here is far better than any one person. And searching is trivially easy.

Searching first gets you BETTER information faster. And you learn more when you are part of the process. It's better all around.
 
It's conditioning. Blame Facebook.

There's a reason why they call it a 'feed'.

But I agree. The info in the archives here is far better than any one person. And searching is trivially easy.

Searching first gets you BETTER information faster. And you learn more when you are part of the process. It's better all around.
Facebook would've told them "install a cap kit! oh and replace the fuse!" and that would be the entire strategy because they're like Arcade Otaku people that think they're experts now. and don't forget Discord.

there's people that think I'm warped because I decline their arcade group invites. "BUT YOU FIX GAMES, DON'T YOU LOVE THEM???" no, I actually don't, not like you.
 
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