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How To Find Shorted Components In LCD TV

By on January 5, 2012

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16 Comments

  1. beh

    January 6, 2012 at 12:11 pm

    HI MR YONG
    ok this a good method for trubleshoothing . but he did not said he has found the problem? is he?
    beh

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  2. admin

    January 7, 2012 at 11:00 am

    HI Beh,

    Yes he did mention it and it was a shorted MosFET.

    Jestine

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  3. beh

    January 7, 2012 at 12:05 pm

    HI MR YONG

    what would be the resistance value of that big resistor? he used
    to decrease the amount of flow of electrons to the circuit board
    to prevent the components of electrons shock?
    beh

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  4. beh

    January 7, 2012 at 4:28 pm

    HI MR YONG
    can i use external 12 v power supply instead of battery?
    beh

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  5. admin

    January 8, 2012 at 6:06 pm

    HI BEH,
    Yes you can use external power supply.

    Jestine

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  6. admin

    January 8, 2012 at 6:44 pm

    Hi Beh,

    In the video the annotation mention was 12 ohm.

    Jestine

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  7. beh

    January 9, 2012 at 5:07 pm

    HI MR YONG
    are all the short components getting hot in the circuite ?
    thanx
    beh

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  8. admin

    January 9, 2012 at 8:04 pm

    HI Beh,

    Only the one that have problem will become hot.

    Jestine

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  9. beh

    January 9, 2012 at 10:29 pm

    HI MR YONG

    i must said the shorted component are getting hot. i think your answer would be yes.
    beh

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  10. David Saidi

    January 11, 2012 at 5:27 am

    Thank you for repairing tip. I would like to know more on power switch mode on colour Tv/power supply unity their type s & the chopper transformer how it work and made (wire )winding.

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  11. admin

    January 12, 2012 at 8:10 pm

    HI David,

    Try this link:

    http://www.repairfaq.org/samnew/tvfaq.htm

    Jestine

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  12. beh

    January 15, 2012 at 11:15 pm

    HI JESTINE

    He soldered the wire to the positive side of fuse? and why?
    thanks
    beh

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  13. admin

    January 17, 2012 at 7:44 pm

    Hi Beh,

    He solder only one wire instead of the whole wires and he solder it to act as a fuse. Infact he soldered it at the other side of the fuse and not the incoming voltage side.

    Jestine

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  14. beh

    January 18, 2012 at 12:21 pm

    HI MR YONG
    is he hooked the negative side of 12 volt battery to the ground of the circuite?
    beh

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  15. admin

    January 19, 2012 at 7:23 am

    HI Beh,

    Yes.

    Jestine

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  16. beh

    January 19, 2012 at 11:10 am

    HI JESTIN
    thanks
    beh

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