Question about Sanyo DS25390 TV

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Black screen white horizontal line help - Sanyo DS25390 TV

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  • Master
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This is an easy repair if you've ever soldered and would not be too costly for a repair shop to do it for you. The problem is a bad Vertical Output IC (usually mounted on an aluminum heat sink with the part on it labeled LA78?? ) and 1 or 2 bad capacitors. Some times you can even fix the problem by re-soldering the contacts of the IC- To find the IC follow the 4 wires that come from the Yoke (which is a contained coil of wires slipped over the neck of the picture tube(s)) back to the board. 2 of the wires go to the horizontal o/p and 2 to the Vertical o/p the thinner gauge wires are for the vertical.

Posted on Sep 30, 2009

Testimonial: "will try this my sanyo is model ds527510 You sent wrong person question to me please reply Black screen and bright white light in middle of screen"

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  • Master
  • 1,121 Answers

This a tipical Vertical Ic Problem, check also for deflector coil for deteriation

Posted on Oct 31, 2009

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Posted on Jan 02, 2017

jomaru
  • 337 Answers

SOURCE: Picture went black

The good thing is you see something in the screen,with age the set has developed loose conections in a few different places,my suggesion is to call professional for service now and the repair will not as expensive,if the picture quality is good is worth it.

Posted on Sep 23, 2006

  • 20 Answers

SOURCE: One White Horizontal line on black screen

replace the vertical IC problem solved

Posted on Jul 09, 2009

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