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Samsung LCD tv model #un39fh5000f has no picture but has sound and can see picture with flashlight test, can you help

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Back - light problem. 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://electro-medical.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.

Posted on Jan 04, 2017

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Posted on Jan 02, 2017

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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.

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Samsung lcd tv has sound but no picture. Samsung TV works for about 10 minutes then screen go black but sound continues


Use a flashlight on the screen when it goes black. If you can see a faint picture then the board that controls the back light has gone bad. If you see no picture then the T-Con board is bad. You can get replacement parts here: TV Parts Universal TV Stands DLP Chips ShopJimmy and fix the TV yourself. It's not that difficult.

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Turned on, has sound but no picture. Why?


LCD Easy Fix (sound but no picture) - YouTube

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Jan 13, 2012 - Uploaded by Clay Whitehead
My tv stopped working, it had the sound but no picture, so I did a little ... +ducksfans76 have you done the flashlight test? what that is is turn the tv on in a ... screen that means your backlight is out and with LCD tv's most likely is the inverter. ... Samsung Flat Screen No Picture Only Sound 002 - Duration: 1:26.

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1 Answer

TV picture is dark but has sound, did flashlight test and can see a faint picture.


Usually means inverter or power board is bad! Check power board for voltages. Voltages are usually printed on the header port. if Inverter is bad panel would need replacing. If TV is less than or equal to 12 months contact Samsung for warranty repair.

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1 Answer

How do I fix my Samsung 40 LED TV that has sound but no picture?


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Model no. 32A33M LCD sharp tv, 32 inch, of serial no. 804734030. no picture shown. only sound is coming. i can decresing/increasing the volume. what can be the problem .


Do a flashlight test. With the TV on and a program is playing, shine a flashlight on the screen. Can you see movement in the picture? If yes then the backlight drivers are not working. If NOT, then the T-con board is bad You can get parts from here : TV Parts Universal TV Stands DLP Chips ShopJimmy

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