Question about Samsun UN46EH5300 46" 1080p LED-LCD TV - 16:9 - HDTV 1080p

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Which board should be replaced when blank screen un46eh5300 led tv

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3 Answers

I have an LG 47LN522-UB LED TV that stopped working after three years and need help diagnosing a problem with it.


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/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Apr 26, 2017 | LG Televison & Video

1 Answer

Samsung tv repair


Hi there,

I was a Samsung Tech for over 3 years, I would take it apart and look for loose connections to the panel. If that does not work, you will have to start out with smaller parts. In my opinion its the main board. Whats the model number?

May 04, 2016 | Samsung Un46eh5300 46 Inch 60hz Led Hdtv

1 Answer

When testin a power supply or led board on tv do i test dc or ac with multimeter?


Your power supply board is working if you get audio and imgaes.

You test AC only the AC side of the transformer before the Rectifier Diodes. Everything after the Diodes will be in DC.

did you get to see any spec of backlight as shown in
LCD LED TV Repair No Image Blank Black Screen Flashlight Test How to Fix...

Mar 23, 2016 | Televison & Video

1 Answer

Soniq PT42SH plasma TV power on. No back light and no pictures


SONIQ LCD TV REPAIR Blank flickering screen Energy ...

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https://www.youtube.com/watch?v=FUqdi7lwmcE
May 29, 2013 - Uploaded by WastedOne2
Fix ya Soniq Tv once loaded up hit menu button then channel + then ... SONIQ LCD TV REPAIR Blank flickering screen Energy Saving Mode Issue ... Easiest TV repair - How to Fix Power [TV turns off, freezes, or won't turn on] ... Common easy LCD TV fix: bad picture screen rainbow colors - Duration: 4:04.

No Image & Blank Black Screen Flashlight Test - YouTube

? 5:56
https://www.youtube.com/watch?v=xUzCLgoSPGM
Sep 15, 2014 - Uploaded by ShopJimmy.com
LCD & LED TV Repair - No Image & Blank Black ScreenFlashlight Test - How to Fix LCD & LED TVs ... Most LED TVs will have a t-con board, a power supply board, a main board and an LED ..... SONIQ Australia 1,718 views.

Soniq PT42SH plasma TV power on. No back light and no ...




Jan 08, 2016 | Televison & Video

1 Answer

Power indicator on, logo flashes briefly, but then no picture. What's wrong?


SEIKI Tv SC501TS has audio but no video, repair - YouTube

? 1:38
https://www.youtube.com/watch?v=cWpF4q_rBaw
Oct 19, 2014 - Uploaded by EurekaRecycler
SEIKI Tv SC501TS has audio but no video, repair ... LCD & LED TV Repair - No Image & Blank Black Screen Flashlight Test - How to Fix LCD ...

LED TV Repair Main Board Overview Blank Screen-TV Has ...

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Mar 4, 2014 - Uploaded by ShopJimmy.com
Learn why your screen is blank and you have audio - No image LED TV Repair Review Main Board Problems ...

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Dec 13, 2015 | SEIKI Digital Seiki SE32HY10 32 720p...

1 Answer

My LED TV is showing a blank screen. How can I check my TVs backlight by using jumpers on the power board? I've seen videos to do this, but nothing specific to a similar Sony model.


put jumper in between pin no 23 & 28 now your power supply is on but still no voltage at led out put error 6 code is particular for led out put not for t con so please replace power board complete

Nov 02, 2015 | Sony BRAVIA KDL-60EX645

1 Answer

LED Backlights on LG TV?


If audio is OK, the backlight inverter is the part should suspected. 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/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Oct 25, 2015 | LG Televison & Video

1 Answer

What parts to fix a blank screen besides power supply and main boards (have tried both)?


STOP Get a SERVICE MANUAL and follow instructions before you make it any worse by "Mucking around with it" it needs to be serviced in a set careful methodical way u cant just replace boards and hope as those boards may damage or be damaged, to have any chance u need to get the book plain and simple less expensive too.

Aug 21, 2015 | Toshiba 39L1350U 39" LED TV 1920x1080, 120...

1 Answer

Tv repair diagnosis


Fault with the main power supply regulator 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. Surf the site with patience. 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 precious time.

Aug 18, 2014 | Samsung Electronics UN46EH5300 - 46in...

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