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Logik Troubleshooting No picture or sound. TV makes a sort of tweeting sound (almost ticking) from the back right of the TV

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  • Televison & ... Master
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Check its flyback trasformer for arcing.

Posted on Apr 30, 2013

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6ya6ya
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Posted on Jan 02, 2017

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Electro
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SOURCE: TV starts but Does Not show picture or no sound

Warning! The circuits might contains High Voltage even when the TV is not connected to power. Please handle carefuly!!!

Posted on Jun 04, 2006

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SOURCE: Logik T.V. model LK-74 - fault: green and purple on screen

Try moving speakers away from the TV.

Posted on Sep 05, 2008

likha
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SOURCE: PROSCAN TV

Hi

the ticking sound is coming out from the flyback that is high voltages!!! if you on the unit is there a picture coming out? or sounds coming out from speaker?

Thanks!

Posted on Jul 06, 2008

  • 1 Answer

SOURCE: troubleshooting t.v

yours tv ,problem on the ply back i think shortcircuits you must changing the plyback a new one from A Halim Yogyakarta Indonesia

Posted on Sep 09, 2008

  • 3 Answers

SOURCE: my TV

I saw this problem and I initially replaced the shorted TT2168 Horizontal output transistor with a 2SD2539 part. It has twice the ratings and would hold up better. On power up, that blew as well.
Obviously the flyback transformer had to be bad so I again replaced the 2SD2539 and the flyback.

Success.

I would reccomend this approach since the TT2168 is marginally holding this load. Unfortunately, it did not work for me because of the bad flyback. Sanyo's seem to have a reputation in my area for flyback failures.

Posted on Nov 03, 2008

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