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I read lots of good information about flipper coil issues within this forum and others. Poor flipper performance typically indicates a problem with something other than the coil because coils rarely go bad and never get weak. This statement seems to be the consensus among those knowledgeable of...

Black Knight 1980 The right lower-playfield flipper on my BK80 flutters when both upper and lower playfield flippers are "up". Flutter does not occur when I close the lower-playfield flipper contact or when I close the upper-playfield flipper contact—lower-playfield flipper flutters only when I...

The artifacts circled in blue hide behind the center target of each of the four target banks on my machine. I presumed something had been removed, but these same affects appear on images of BK80 playfields other than mine! Anyone know what these things are and what purpose they serve(d)?

Black Knight (1980) I'm working my way through a list of issues with my Black Knight. The thing suffers from some kind of attract mode lamp display problem that seems to affect the "sword" lamps in particular. The sword lamps seem to operate normally during game play mode, btw. The video below...

Black Knight - 1980 Following this resource, I've determined that my aged BK80's lone pop bumper needs a complete rebuild. I have a few questions for those experienced with such things. - Is there a "best in quality, completeness, and cost" pop bumper rebuild kit (alliteration unavoidable)...

Working down a punchlist of issues in my new ancient Black Knight 1980 (BK80) What is the beat up widget shown in the image below? Clearly it's a load interference filter from a Mexican assembly line. But what is it? Even better for my purposes: What is the exact part number of its functional...

My kids presented me with a Black Knight (1980) for Christmas, Obviously pinball machine ownership includes maintenance; thus joining this forum completes my first bullet as a new owner of an old machine. The thing plays but it has issues, of course. I'll itemize and investigate problems as...

My kids presented me with a Black Knight (1980) for Christmas, Obviously pinball machine ownership includes maintenance; thus joining this forum completes my first bullet as a new owner of an old machine. The thing plays but it has issues, of course. I'll itemize and investigate problems as...