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Identifying the Purpose of a Disconnected White Wire in a Lamp Assembly

donut343 552 4
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  • #1 21206156
    donut343
    Level 2  
    Posts: 18
    Rate: 1
    Could anyone tell me what this white wire might be for? Can't figure out where/how it was connected, but the lamp doesn't work anymore. Have one similar lamp and the white wire doesn't seem connected to anything? Added some images of functioning lamp.

    Close-up of a LED lamp interior showing a white wire and circuit board. Interior of a lamp housing with visible electronic circuit and white wires. Close-up of an LED bulb showing filaments and a white wire inside. Close-up of a light bulb interior with two thin orange wires and a white wire at the bottom.
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  • #2 21206159
    divadiow
    Level 38  
    Posts: 4879
    Help: 427
    Rate: 868
    It's the WiFi antenna

    Added after 8 [minutes]:

    they tend to be present when the bulb has a smaller module, one without its own aerial built-in. like CBLC5. eg https://www.elektroda.com/rtvforum/topic4040714.html

    https://obrazki.elektroda.pl/3178564400_1709672972.jpg
    https://obrazki.elektroda.pl/3116048200_1709672851.jpg
    https://obrazki.elektroda.pl/1457091600_1709672851.jpg
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  • #3 21206185
    donut343
    Level 2  
    Posts: 18
    Rate: 1
    Haha so obvious now that I know. Anyway, the lamp doesn't work anymore, rest of the wires are connected. I'll see if I can flash and repurpose the chip and components for a relay or something similar I guess!
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  • #4 21206213
    divadiow
    Level 38  
    Posts: 4879
    Help: 427
    Rate: 868
    Hope you can find the cause! Be interested to know if the module is still functioning.
  • #5 21477900
    donut343
    Level 2  
    Posts: 18
    Rate: 1
    Recently discarded a box with old junk, including this broken lamp. So I guess that closes the topic haha. Thanks for the help though.
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