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Success!! I just got up to the house where the game is located. I checked out the voltages from the new switching power supply--perfect. I checked out the edge connectors--perfect. The next thing that had been suggested was to remove the new Braze Kit and reinstall (carefully!!) the...

Thanks I won't be able to check this for a couple of weeks, but I will let you know when I do. Thanks for the ideas. Buck

No luck Tried unplugging the door harness connector, still had the original problem. I then cut the red wire (isn't that supposed to stop the nuke from blowing up?) and still had the same original problem. I tried turning on and off the main power switch several times in each...

Thanks Thanks for the quick response! On my way to check it now. BUck

Is this the slam switch? I found a twisted up switch on the coin door with a red and a yellow wire going into it. There are four metal strips hanging down from the switch, and one of them has a heavy metal disk on it. Above the switch area is a sticker saying it is a Vibration Switch which...

Slam switch? What is this? I think this makes sense if I can see a picture of one. Thanks! Buck

Ahhh, Boyyyy.... Well, just got up to the mountain house and replaced all the rebuilt/new/checked out parts and the screen looks the same as when it originally broke--garbage black and white random small squares (see picture). I had done the following: Sent my motherboard, daughterboard, and...

Thanks! I 'll let you all know when I get them installed. I really appreciate all the good advice from everyone--I wasn't sure where to turn. Buck

Next steps Okay, here is where I am now. I purchased a used PCB on EBay, but it has not been checked out by anyone. I removed my three boards and am shipping them to ElecktronForge for checkout, as well as the used purchased board and a Cap Kit for the suspected broken old board. I...

Thanks, FCJim The adapter and a new power supply seem like the way to go. I'll check into it. Buck

Thanks, Dave! I think the Braze kit is a must-do. Now....where can I get a new power supply setup, assuming I can't adjust my -5V setting to work? Thanks, Buck

What is a Braze kit? And how do you install it? Buck

Thanks, FCJim and Jimmy Thanks for walking me through the photos. The power supply board I have looks just like the elektronforge photo. Do you have any sources to buy a completely new board with everything new? I will try to adjust them, but with the age of the components we are talking...

I get it! Coindoor Dave--thanks so much for the link! I understand now. I can at least do the basic tests and adjustments, and will probably need to order a new board. I guess I can buy a new, complete plug-and-play PCB to fix everything? Any idea where? Thanks again for everyone's help. Buck

correction Oops, I meant to type PCBs-- Buck

Thanks! Thanks, guys--I will start on it in a few weeks, with much fear and trepidation! I did see the two large PCDs hooked together in an L-shape. Do any of the attached pictures look like what you are describing? Buck

Oops--my mistake I took another look when I was last at the house where the machine is. I thought it was a Taito, but it turns out it is a Bally Midway's Space Invaders. Does this change any of your suggestions? Also, what does PCB stand for and what does it look like? Can you send me a...

Thanks! Thanks so much for the input. I appreciate all your thoughtful suggestions. I will give them all a try.

Thanks! I'll try these cleaning suggestions. Like I said, I am inexperienced at checking out electronic boards. I ave read the TV screen is dangerous because of stored voltage--do I have to worry about checking out these board connections as well? Is it difficult to just replace the power...

A friend was playing this original Taito Space Invaders console game when the screen suddenly turned to black and white pixels, with no sound or game operation. I have replaced the 4 fuses I could find (2 in back, 2 in front), although they looked fine. Help! The game is at a remote mountain...