Question about Hitachi Televison & Video
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://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.
Posted on Dec 04, 2016
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Posted on Jan 02, 2017
Yes , it can be a short on the board that will ask the SMPS unit to protect the power so as to switch off. So even with a multi-meter check you will be able to trace the short on the board, the drivers or any capacitor that is cutting off the power which must solve the issue.
Posted on Dec 15, 2011
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
SOURCE: I have audio but. No video on my vizio model e47oiao I've seen where there is a led board but my tv only has power supply board and main board using a.flashlight I can see the menu board any ideas
if you dont have any clue,take it to someone that does or damage your tv
Posted on Mar 26, 2015
SOURCE: I got a 55 inch Samsung flat panel tv model # UN55D6000Sf Version H302 with standby light blinking 1 time in repeat. I have changed the power supply board, main board & tcon board but still no luc
since you have replaced the main parts in the tv already it is safe to say you have bad led strip these can be tested with a 12v dc power supply
Posted on May 30, 2015
May 18, 2015 - Uploaded by Thomas M. Landry
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Posted on Oct 16, 2015
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