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...
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...
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...
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...
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, 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
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