(Topic ID: 267575)

SYS 11B connector' advice?

By fixintoplay

3 years ago


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    #21 3 years ago

    My first criticism would be the reflow job on the header pins. It looks like several of the pins, particularly the middle had gotten twisted when they were heated. This would lessen the contact with the connector pins

    2nd, when they were reflowed, new solder was placed on the pins without removing the old solder first. I question how good a bond the solder has with those pins.

    3rd, the pin on the right, with the wire repair, the wire is sitting high up on the pin, and will prevent the connector from seating properly

    4th - that wire doesn't seem to have a great solder-bond with that pin.

    lampboard (resized).jpglampboard (resized).jpg

    Next, instead of running that wire repair, maybe it's possible to repair the existing trace?
    Scrape the coating off the trace (carefully) maybe 1/4 inch up to the solder pad, then extend the solder mound onto the trace itself
    lampboard2 (resized).jpglampboard2 (resized).jpg

    Can offer more thoughts, if interested.

    #22 3 years ago

    On this side of things, I would say your wire repair is creating a stress point for the bulb socket. That little brass tab snaps off all the time in the best of circumstances. It's going to get hammered when it hits that wire.

    I have to ask is it really impossible to repair that trace? I don't see where it's obviously broken.
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