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KV27TS30 Sony TV Problem (HV PS ?)

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Could you take a quick look at the video here....
(10 seconds)
http://www.youtube.com/watch?v=df7a_peuvKs

It shows a very obvious problem you are most likely familiar with....

Just want to know if it is worth it to try to repair....

Posted by on

  • Ken Flack
    Ken Flack Feb 10, 2008

    Your Great.... !

    Thats what I thought...



    I have shut down typically within 30 seconds of the problem showing itself....



    Any precautions to working in that area with power unplugged ?



    I.E. Do I have to be woried about any capacitor /HV discharges?



    I'll let you know if I have any success...

×

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  • Master
  • 8,617 Answers

Your set isthe LN-1 chassis that problem is definately in the deflection / high voltage circuitry most likely the flyback itself. however this chassis has a history of bad solder cracks around the flyback and horizontal transformer mounting locations. I would check the solder before replacing the flyback. Also notethat if this condition has been ongoing without putting the set into protective shutdown you will also be looking at possibly having some weak regulator transistors and leaky diodes on the power supply module. Let me know if you need further info or a service manual for this set.

Posted on Feb 10, 2008

  • Sonny Berry
    Sonny Berry Feb 10, 2008

    Just be sure to ground the HV lead from the CRT to chassis ground. Also be careful around the capacitors they can hold power for awhile after unplugged.Let me know if you needa source for parts.

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