Question about Samsung Televison & Video

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Good day... I have a 40" Samsung LED TV that is malfunctioning. It comes on and if all of the lights are off and the room is completely dark, I can see what is on the screen, rather clearly. I have checked all three (main) boards in the set and none show any obvious signs of failure. The power board has a slight warp in it but nothing else seems to be wrong with it. I have read that with issues similar to mine, the T-Con board is shot, however, while I can hold my own when it comes to replacing parts in electronics, I am not a pro. Without actually looking at the set, is there anything I can tell you or do for you that would identify the issue? Thanks in advance for your time!

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  • Expert
  • 123 Answers

Sounds like the backlight led inverter board is bad. Easy to replace. Google for replacement board.

Posted on Sep 02, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Slinteriors

Sonny Berry

  • 8617 Answers

SOURCE: Same old red convergence issue

they wont show any signs of being bad if you cant adjust the convergence the ICs and possibly a few of the convergence resistors will need replacement. You can get new ICs and resistors at the following link and they come with free instaltion instructions.
http://servicemanuals.vstore.ca/

Posted on Jun 21, 2008

Anonymous

SOURCE: power light comes on and clicking is heard but no

your problem is more a defective y board with y buffer boards one of them is short

Posted on Oct 26, 2010

budmrtn

Bud Martin

  • 11361 Answers

SOURCE: TV WONT SWITCH ON LE26A456C2D standby light blinks

Please read my giude then you may understand more as to what it takes to make the TV functions.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.

Posted on Mar 06, 2011

Tony

  • 127 Answers

SOURCE: Samsung TV Model LA40A650A1M back light intermittently strobeing

You can't see if a cap is good or bad jus looking at them they have to be measured>They loose their capacitance because they dry overtime.
I do sugest that you replace you power supply module or replace all caps.Possibily you may have a broken line in the PCB

Posted on Nov 01, 2012

gopakumarg43

The Knight

  • 76143 Answers

SOURCE: I have a PUREVIEW 40" LCD TV Model# PV40LD400. I have Power but no picture or sound. I replaced the Backlight Inverter and the power board but the TV is doing the same thing. It will power on and the

T'Con board fault. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Nov 22, 2014

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