(Topic ID: 208923)

Better 555 twist in sockets?

By Rascal_H

6 years ago



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    #1 6 years ago

    My game is missing 1 555 lamp board twist in thing (there has to be a better name for them). I bought a 10 pack from Game Room Guys and none of them seem to work. I’ve tried bending the connector points up and messing with the leads on the LED. Tried all sorts of things. Of course I’ve also tried in known working spots on the lamp boards and they don’t work there either.

    Anyone know where I can get a more reliable part?

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    #2 6 years ago

    Do they not fit or just not make electrical contact? There are twist sockets for #906 lamps that look identical but are just large enough they don't twist in properly. If it fits in the hole and twists it should work.

    https://www.pinballlife.com/index.php?p=product&id=283

    #3 6 years ago

    There's no 'better' design, unfortunately. But a lot cheaper other places..

    https://www.mouser.com/ProductDetail/JKL-Components/2919?qs=sGAEpiMZZMv%252b7lHaI%2fk89COhP0LSyiUlPGntpqIg4Yc%3d

    #4 6 years ago

    Great tip. Thanks!!!

    #5 6 years ago

    They may not turn by hand easily when they're brand new, but then again I usually get these from pinballife or marco. In any event, try grabbing the bottom rectangle with a set of pliers and turning them.

    #6 6 years ago

    Yeah, I think I need to invest some more time into it. It’s like the contacts are shorter on these than my stock parts. Maybe I need to reflow the pads in case there’s some kind of divot in the solder.

    #7 6 years ago

    Are you sure its the sockets and not the led's?

    #8 6 years ago
    Quoted from wdennie:

    Are you sure its the sockets and not the led's?

    Pretty sure.., tried switching out with several different led and even regular incandescent.

    #9 6 years ago

    I only asked because I ran into a problem where several leds's that wouldn't work, and turned out to be the led bulb leads were not making contact.
    Also had a problem that led wouldn't work unless I revered them in the sockets.

    #10 6 years ago

    Also reflow new solder into the (2) pads on the PCB that contact the socket. They frequently wear divots over time that doesn't help.

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