Alternator Repair 

The Pawl is gummed Up
The Pawl is gummed Up

The Alternator manages half credits - if a game costs 10 cents, this mechanism lets you play by inserting two 5 cent coins. Well it does now, it used to take your coins and laugh at you.

The Alternator simply did not work. It was completely gummed up and had been rewired in such a way that nothing would work.

Wires to nowhere
Wires to nowhere

The wires on the tag strip simply circulate and return - nothing is done...

Soldered to itself
Soldered to itself

This one is even better - a wire is soldered to itself.