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/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
View the site by desktop or web view on mobile devices to see the "search box". Type in the brand name of your set in search box; to get gathered the related posts.
Screen-shots to defective LCD panels are given. You can see and compare to that to your TVs', and can make sure about the fault to an extent....
SOURCE: ANOTHER PROBLEM WITH 42EP24S
Sears was of no help to me in a similar situation like yours. Your best bet is to get Haier to send you a new or refurbished unit 42ep24s-rb. Know that this is fastest, cheapest (or no cost) solution to your problem. I have an idea this is also cheapest approach for Haier. For the benefit of those others that didn't get the upgrade boards, you must indicate that you know this particular model is experiencing "blackout but with audio" and that Haier has a replacement kit (usually at no cost) to rectify this problem throughout the US. Yes the EEprom may not be compatible with the upgrade kit TV-3940-01 which contains three motherboards or the servicemen may have improperly handled your plasma screen or damaged your other boards or the replacement boards were defective. You must lodge your complaint about your current experience of Sears Service to the Haier America office at this email Aaron Gal [email protected] or
Aaron Gal
Director of Service
Haier America
120 Riverside Dr.
Keasbey, NJ 08832
212-594-3330 Ext 3157
Fax: 732-661-9733
Your solution lies with Haier who is planning on marketing this low cost quality monitor at Walmart! They want a positive image that they will take care of owners of their products whether it is high end or low end. Haier is a responsive and responsible manufacturer. They depend on LG for delivery of their parts. Please excercise patience and courteousness when dealing with Haier and you will have your TV/replacement working perfectly again.
SOURCE: Screen goes completely out.
when it blanks out, tuen the lights out in the room, and shine a flash light at the screen, see if you can see the picture, if you can, it is the inverter moard blamking out, thats the board that lights the back lights, if you cant, hit the input button on the remote, if the TV comes back with a picture, it is a problem with the main board, in paticular the componant input on the main board
SOURCE: Sony KDL-46s2010 4 red light blinks
I would suspect one or more of the miniature flourescent backlight lamps. One way to confirm this would be to power up the set with a grayscale image at 40 to 60 IRE. If one or more lamps is failing to light, a slightly darker horizontal area in the grayscale will give it away. Unfortunately, Sony will not supply any of the backlight components apart from a new LCD panel. Sorry.
SOURCE: Samsung 32'' LCD TV backlight works occasionally
Check for any loose soder points or loose connections with wiring sockets to backlight inverter board.
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