Question about Toshiba REGZA 42WLG66 42 in. HD-Ready LCD Television
Toshiba Regza 52xv540u won't power up. Yellow light flashes 3 times
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Posted on Jan 02, 2017
Check the ac fuse. In a couple of cases because of a power surge the fuse opens up.
After replacing, the sets have worked normally.
Posted on Jun 17, 2009
It sound like you have a bad capictor on the power supply. If you take the back off your tv, you will see little round componets. These are the capictors. The tops should be completely flat. You may need to put your finger on the top to feel if they are bubbled at all. Find the one that is bubbled and replace it.
Posted on Sep 13, 2009
SOURCE: Our Toshiba Regza won't turn on.
Down load this firmware file p/n 2007SEN069 from this address http://www.tacp.toshiba.com/customersupport/model_firmware.asp?model=26hl67. The instructions are here also. Un zip to a blank sd card. I'm not sure if the set will boot to the card or not.
I finally got the tv to boot by constantly plugging in the a/c power and unplugging the power until it filally booted and was able to turn the set on.
Remove the sd slot cover from the lower right rear of the set, and insert the sd card with the unzipped firmware. Monitor the screen and follow instructions. Do not remove the card until the set powers off.
This fixed mine, hope others benefit from this repair.
Posted on Jun 28, 2010
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I followed the steps at the following link and it worked for me. I have a 2007 Toshiba Regza 42HL67, but the firmware applies to many models as documented in the readme file at the location found via the link below. I used a 1gb SD card formatted FAT16, copied the unzipped files and folder to the card (wasn't sure if it required the top level folder or only the files under the top level folder so I copied both to the root of the SD card), unplugged the TV, inserted the card, plugged in the TV, waited 2.5 minutes, unplugged the TV, removed the card, plugged in the TV, yellow light flashed 3 times and went out. I turned on the TV and it has worked normally since last night.
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