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Screen Ribbon Bond failures

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    Screen Ribbon Bond failures

    I've been in the electronic world for 30 years and you never stop learning.

    I've mostly been in the repair end repairing failure do to component failure.

    I love the challenge of trying to figure out what went wrong.

    Working on CRT TVs was cool but I never liked the 19,000 volt on the CRT.

    Back in 1980 I got a 25,000 volt burn on my hand after replacing a CRT screen with a rebuilt CRT.

    Down to the point, I've seen quite a few TVs with screen ribbon bond failure.

    So far I see the main fix is to put pressure on the screen contact with rubber.

    Dose anyone have another technique maybe heat?

    Dose anyone know how the ribbons are bonded to the screen originally at the factory?
    Last edited by 120volts; 07-01-2014, 08:02 PM.
    Dan "TV Tinkerer"

    #2
    Re: Screen Ribbon Bond failures

    I wonder why they put circuitry in the tabs. It a short distance. They don't put circuity in Plasma bonds. If heat is the issue put a heatsink on it or redesign it.

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