(Topic ID: 237026)

Bally 6803 flipper wiring

By Michaelxwhite

5 years ago



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  • 2 posts
  • 2 Pinsiders participating
  • Latest reply 5 years ago by dothedoo
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#2 5 years ago

Your wiring looks good to me. In case my eyes are bad, it should be:

Brown power wires to outer lug of coil where banded end of diode connects
One wire of EOS switch connects to same lug above
Other wire of EOS switch connects to center lug
Single return wire connects to outer lug of coil where non-banded end of diode connects

I think you have a shorted coil elsewhere on the playfield. A shorted flipper coil would not blow the 1A fuse under the playfield because the short occurs ahead of the fuse. Also, I don't believe a shorted flipper coil will blow a fuse until you press a flipper button, and it would blow the fuse on the rectifier board.

Measure the rest of the coils under the playfield with an ohm meter. The standard size coils should read 10-15 ohms, smaller coils, like those used to knock down drop targets, should read much higher -- into the hundreds of ohms.

If all of the coils read ok, then you probably have a shorted transistor on the driver board.

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