Defender Problem

buxtonore

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Mar 12, 2010
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Wixom, Michigan
When I turn on my Defender game there is nothing on the screen, and the game will not coin up. The marquee does light up, and there is A glow in the neck of the picture tube, but the +5 volt light on the power supply,and the four lights on the ROM board do not light up, when powered on. The game has an original rebuilt power supply. Does anybody have any ideas what could be wrong?
 
The only board that'll do anything without 5v is the sound board, as it generates its own 5v. Only the self test on the sound board will work as the rom board won't trigger any sounds, so you won't hear a sound on power up.
 
You need to rebuild the power supply to get the +5V back on before you can try anything else.

ken
 
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