Seeking help to figure out my 4 flashers on embryon.
New little aux board. 4 brand new blubs. Checked voltage on the bulb socket that has the gray wire attached. 68v. (Single bulb that under playfield) looks like the flasher bulbs are wired in a series. 2 big yellow wires are soldered to one(46 v) the black wires are jumped from bulb to bulb. Seems to be right. (Not hacked up) I do have a brand new driver board and light board. Pretty much everything has been replaced. Just can't figure out why it isn't working. Any ideas? I cam take pics if needed. Thanks for the help.

#3 2 years ago

JAE

Jon9508

Pinside member

Cumming, GA

6y 58,800 502 10

Quoted from BigAl56:
The lamp flasher board drives the flashers and you have replaced it. The flasher bulbs ar 12v automotive lamps so yep there are 4 in series so they can run off of the 43v coil power.
The flasher board should have a load lamp nearby that allows it to be controlled by a lamp board SCR. The load lamp is often missing or accidently replaced with an LED. Check that first. It should flash when the game is in lamp test. Most times when these aux boards are not working it's a problem with a board connection or with the load lamp.

Thanks. I will check all that out. I figured the flasher were driven by the driver board not the lamp board.

#4 2 years ago

JAE

Jon9508

Pinside member

Cumming, GA

6y 58,800 502 10

Quoted from BigAl56:
The lamp flasher board drives the flashers and you have replaced it. The flasher bulbs ar 12v automotive lamps so yep there are 4 in series so they can run off of the 43v coil power.
The flasher board should have a load lamp nearby that allows it to be controlled by a lamp board SCR. The load lamp is often missing or accidently replaced with an LED. Check that first. It should flash when the game is in lamp test. Most times when these aux boards are not working it's a problem with a board connection or with the load lamp.

Got back from tpf and looked at it tonight for a bit. Load lamp is there and flashing while in test. Connector seem to be good and making contact. Could be wrong. I might have a connector that I can redo. Maybe that's it.

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