Just got this pin. The right upper flipper will not fire. When I examined the lower right flipper I found a loose wire and resolder it on what seem to be the logical spot. If you have a Motordome (or similar era Bally 6803) can you check my work? See the pic compare to yours.
The loose wire was the gray with the blue strip on the left.
BTW right upper flipper will still not fire but is getting voltage now (it was not before wire repair). And yes i replaced the 4004 diodes.
It seems my Tech Chart is wroung about the wires to the flippers.
http://www.pinballrebel.com/pinball/cards/Tech_Charts/Bally_MotorDome_Tech_Chart.pdf
In your photo I can clearly see the gray-blue (92) wire for the upper right flipper, as the Tech Chart says gray-white (95).
I need to correct that.....
Is the wire to the upper left flipper orange-white (75) or is this also a color with blue like orange-blue (72)?
Also the supply power wire should be brown (60) according to the manual/schematics.
This looks more like black or very dark gray, very hard to tell from this image.
Can you please check for me?
Quoted from Inkochnito:Did you check the EOS?
This is likely the issue. Every 6803 machine I have ever seen is in poor adjustment/repair.
Quoted from Inkochnito:Did you check the EOS?
Did you check your sol. driver board?
Look at the print headers.
They might need a reflow of the solder....
....
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Lexington, KY
Piershil