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The backlights aren't working on my Samsung UN32ES6500FXZA TV. I performed the flashlight test and can see a picture and the audio works. Can you please let me know what part needs to be replaced?

The backlights do work when the main board is disconnected from the power supply board. Is there an LED driver on this TV? I'm thinking that might be the problem, but I can't seem to find a part number anywhere.

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  • Samsung Master
  • 2,794 Answers

You have at least one shorted LED in the panel, reason it works with the main disconnected is your removing shutdown circuitry, don't run it this way for any longer than necessary when looking for the faulty lamps..Also be really gentle with the panel and flat cables going to the TCON board, they can be damaged quite easily and if that happens the set is junk..good luck!!

Posted on Nov 15, 2017

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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gopakumarg43
  • 76100 Answers

SOURCE: TV turns on, but no backlight, no audio, no picture

Power supply regulator board fault. Check and replace damaged component/s at it main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. Do asearch by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis.

Posted on Jun 23, 2014

gopakumarg43
  • 76100 Answers

SOURCE: lg led tv backlight

Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Posted on Feb 05, 2015

phil_hick883
  • 917 Answers

SOURCE: How can I get my backlights to work on Samsung LCD tv

If your not a TV Engineer , get one to look at it , as you may keep changing the incorrect part.

Posted on Mar 14, 2015

gopakumarg43
  • 76100 Answers

SOURCE: 47' (sic) LED TV, model number m470vse. Why doesn't the backlight work?

Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.

Posted on May 30, 2015

gwyz73
  • 362 Answers

SOURCE: Model 42LN5700. What caused backlight failure?

Backlights do fail, and can be replaced. If the set is more than 5 years old, it could simply be backlight failure.

Posted on Oct 15, 2015

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