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Sony Bravia KDL-32M3000 Horiziontal bars on picture

I purchaced my sony bravia on 11/18/2007; after about 1 1/2 years I suddenly started seeing horizontal bars on the screen when i turned the tv on. After about 15 min the screen would go back to normal. After a couple of weeks of this... it started taking longer for the screen to get back to display correctly; maybe 30-45 Min. now, after about a about about 1-1/2 months, it takes about 3 hr + to go back to normal. Has any one else seen this problem?

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The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Jun 19, 2017

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Posted on Jan 02, 2017

  • 4234 Answers

SOURCE: Sony Bravia KDL-40W4500 turns off

This can indicate a problem with the high voltage circuits. Since this is a new set, it should still be under warranty. DO NOT open up the unit as that will void the warranty. Return the set or request warranty service. Note the 8 blinks when you request service as that should allow them to bring the correct replacement parts.

Keep us posted.
Dan

Posted on Jan 05, 2009

waynejamescm
  • 67 Answers

SOURCE: tv bravia kdl 40v3000 problem turning on

Hello,

Unfortunately, this is a failure of the balancer board for the backlight. The unfortunate part is that the balancer is not available by itself anymore, and the whole panel must be replaced, as Sony only has the balancers attached to new panels. You can contact Sony directly to ask for assistance, and it usually helps.

Hope this helps you...

Posted on Jan 05, 2009

  • 197 Answers

SOURCE: My Sony Bravia KDL-52W3000 panel is broken. Does

there are diferent versions of panel

Posted on Jul 02, 2009

  • 1 Answer

SOURCE: Sony Bravia 32'' picture problem - Sony KDL-32ML130

I am having same problem, started today, didnt find any solution to this question on forums :(

Posted on Nov 22, 2009

tvtek
  • 1284 Answers

SOURCE: sony bravia kdl 32l4000 - color bars running vertically on screen

In most cases is the screen is covered with vertical lines all the way accross the screen then the T-Con module is at fault. The t-con board is replaceable without having to replace the entire LCD panel which would usually make it cheaper than replacing the TV. The part number I come up with is 1-857-213-11. Please take a moment to rate my answer. Thanks...

Posted on Dec 02, 2009

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Click Sony Support to download user manual free copy for KDL-32M3000

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Hello darwin_gabou, My names Dave! You have a bad A/V input board.

Part #: A-1376-788-A

Link to part: http://www.shopjimmy.com/catalog/product/view/id/169673/s/sony-a-1376-788-a-bm-board-for-kdl-32m3000/

Please feel free to contact me if you have any question. I'll be more then happy to answer any questions you may have!

Dave
503-432-9904
Premium TV Tech
www.pleasefixitdave.com
pleasefixitdave@yahoo.com

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I am having same problem, started today, didnt find any solution to this question on forums :(

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