(Topic ID: 150642)

Playfield Lights

By Spanishsilver

8 years ago

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#1 8 years ago

After replacing the drops on my Gold Strike all playfield lights are not lighting. Also the drops that are not lit which are not on the 500 point relay are not scoring. The lights that are not suppose to be lit have a small red glow to the filament. I have checked all switches and traced all wires and can't see why it's doing this. Have never run into this problem before. I have traced the lights on the schematic and all looks good. Is there a ground wire that could be loose causing this.



#2 8 years ago

fuse? you short something? a test jumper would be handy..

#3 8 years ago

Got a test jumper. Jumped fuse block all ok. What puzzles me is lights that are not suppose to be lit have a small glow to them.

#4 8 years ago
Quoted from Spanishsilver:

Got a test jumper. Jumped fuse block all ok. What puzzles me is lights that are not suppose to be lit have a small glow to them.

short...or open ground

#5 8 years ago

Where would the open ground be ? Is it a common ground.

#6 8 years ago

jones plug?

#7 8 years ago

The bare wire going to the bulb sockets is not ground; it's the return wire to the transformer for the 6V lighting circuit.

But from that schematic portion, at the very top are the grouping of "Playboard Illumination Lights", all wired in parallel (so one going bad won't take them all out). There along the left side of the schematic is a switch on the 'H' relay, which needs to be closed in order for any of those lights to be on. So that's something to check. Then the circuit probably goes down to a fuse. So the fuse and fuse holder could be possibilities.

For the drop targets to score, the signal has to go through a make/break switch on either the C or D relays (depending on the value of the target), so those would be a place to check.

#8 8 years ago

Found it guys. There was a break in the GI wire. More like a fray. Pics to follow.

#9 8 years ago

:Just had a similar problem on my Central Park. Playfield light would go dim and eventually blow the fuse. The pop bumper light that were suppose to be off had a very dim glow. The problem turned out to be a bad light socket on the playfield. The stem of the socket (positive post) was loose and sometime just barely touching the barrel of the socket at the base. This was hard to see. The lighting scoket on this playfield had four seperate circuits that were common to the bare wire that is soldered to the base of the sockets. I un-soldered the supply wire at the base to earch circuit and re-soldered each one at a time until the fault was found. This narrowed what circuit was at fault.

#10 8 years ago

Got lights fixed. Drops still won't score but 10 pt switches work fine. All switches look good. Will check to see which relay controls scoring for drops.


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