Defender Cocktail firing problem

SkippyJoe777

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Having a problem with my defender where it only fires intermittently. It was having problems with the screen becoming blurry at the same time the issue started so installed a switching power supply and the screen problem went away but now you can only shoot for about the first two minutes the game is turned on then you cannot fire anymore. The new PS is adjusted properly for +5VDC and I double checked the wiring to the leaf switch too. Any suggestions??
 
Widget Board

Not super sure which board is the "widget board" but I will research it real quick and figure it out and give your suggestion a try!
 
Or clean the pads on the fire switch. The old leaf switches will gunk up over time. I use a premoistened eyeglass cleaning sheet (Sams & Walmart optical). They are alcohol based and slightly rough, so they clean the leaf switches quickly and easily.

Don't use anything abrasive (sandpaper) as this will take the gold plating off and they will pit and corrode quickly.

ken
 
Defender Problem

Re-Flowed all solder points on the widget board and it works like a champ!! Took a half a stinkin hour to do though! Thanks for the help guys!
 
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