Atari Centipede Cocktail table game has no power

Arcade Collecting > Restorations & repair

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Mike A:
Since J5 has power, check for power at the monitor plug next.

bperkins01:

--- Quote from: vapuser on February 05, 2020, 06:50:28 am ---Good morning all. Well, I installed the brick back into the console. I left the jumpers in J2 to bypass the interlock switch. I still have the same power to J5, but when I put the coins in the game, no lights, no sound, no life. I need to continue to trace out the circuit. As soon as Mike uploads more schematic pics, I'll keep working upstream. Maybe next I'll check out the voltages at the coin receptor. Not sure if that's the next logical check point. I wonder if there are any other fuses that I'm not aware of, other than the ones on the PS. I feel that I should be seeing or hearing something. Again, thanks for all you help!

--- End quote ---
What Mike said - but the power supply - supplies a few different circuits - that's why there are a few voltages.. Monitor, board, lights on the coin door, etc.. If nothing at all is showing life - its *sounds* like your ground wire is detached someplace - probably close or at the J5 connector. Tug at the wire at the connector and down stream of it..

Many voltages out - one ground wire back. (except the monitor - its on its own)

Continuity on the ground wire is easy to check with a meter..

vapuser:
Ok, I May not be able to check tonight again but I'll check that chassis ground for continuity tomorrow night. Thanks. :)

Mike A:

I hope this helps.

If you need a higher res image, PM me your email address. I will send you the full res file.

vapuser:
Yep, Mike, I actually flip that bottom switch on and off instead of unplugging from the wall. Anxious to see the full res file. I'll check the green grounds as well as the voltages at the coin receptor. I have a two player receptor. I don't see the voltages on the schematic for that plug. When I put the coins in, they just fall right through to the box below. I forgot if that's the way it's suppose to work, or is that because there is a lack of voltage at the plug going to the mechanism. It's been a while since I played on this game. I can't remember.

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