Big Game
Stern Electronics, 1980You're currently viewing posts by Pinsider Joker2415.
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I'm new to all of this...
TP2 looks like it's ok. The schematic says 230v. TP1 is supposed to be 5.4v
Here's the schematic I got that from.
And a mistake I've made over and over working on one game? TP4 is AC. Just in case your doing what I did! I kept checking it in dc. 
Quoted from Spraynard:Thanks Joker! The board I am using is a replacement with a slightly different design. The info a schematics are here: https://www.greatplainselectronics.com/Downloads/Rectifier_Ver5.pdf
For this board, it wants 195 at TP2, with a range of 190 to 220, so the 250 I'm seeing is too high.
Yes, I did make note that TP4 AC! I made the mistake early too
I should of looked at your link first. I see what your saying now.
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Boston, MA