I have already replaced all three of the following boards 1. LG EBU62184501 (EAX64872104(1.0), 62184501) Main Board 2. LG EAY62810801 (EAX64905501(2.0)) Power Supply / LED Board (SEE NOTE)LG EAY62810801 (EAX64905501(2.0)) Power Supply / LED Board (SEE NOTE)LG 6871L-3152B (6870C-0444A) T-Con Board 3.LG 6871L-3152B (6870C-0444A) T-Con Board None of this worked. Any suggestions Thanks
The problem is defective LED back lights strips inside of the panel.
SOURCE: Hitachi 50EX20B Bigscreen TV
You can download a PDF from here: http://www.servicemanuals.net/results.aspx?type=SM&brand=0&model=50EX20B Make sure that the coolant is not leaking out onto the printed circuit boards. i have had the remote sensor cause this problem before and also I have had bad capacitors in the sweep and the main power supplies. Good Luck
SOURCE: LG WASHER WON'T Power on
Hello. If the lid switch is defective, your washer may not function at all. The switch is inside the washing machine main housing near the door frame. Often you have to raise or open the top or front of the washer to get to the switch. If it's defective, you need to replace it. Some machines have a special lid-switch fuse near the lid switch, inside the control panel. If this fuse blows, the unit won't fill with water until you replace the fuse.
SOURCE: I have a Phillips 42PFP5332D/37E
Good day!!!
please try to disconnect the y-sustain and x sustain board to determine if that is the problem then try to power it ON...
if you can't hear the pop when you do that or the red LED is not flashing red..the problem could be the one of that board it could be the x or y so lets find it...
power it off again and try to connect one of that board only..if hear the pop or flashes red on your TV if you connect one of that board..that is the problem..for example: if you connect the y-sustain on the TV and you hear the pop and flashes red that is the problem..also try that procedure to test the x sustain board...
SOURCE: Why won't my Samsung UN40D5005BF come on?
Lightning damage can do a # on LCD TV's. I've seen cases where it took out power supplies and main boards at the same time. I'm not one who likes to use the "shot gun" approach. You would need to get the set professionally diagnosed in my opinion. Where did you get the main board from?? Are you sure it is a working board?
SOURCE: no audio or video flashing 2 power 1 opc after relay latch?
Yes,this problem are related to the main Tuner signal board,must change the main Tuner signal board,to solved this problem.Put back your old power supply board too might be still good,but some time the power supply board must have to be replace too,becaused it got corrupted by the data from the main CPU from the main Tuner signal board.
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