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Th42pz77u will not power up . red light comes on then blinks. 4 of the 4 fans come on

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G'Day!

Unfortunately, what you're describing is a repair issue. You won't be able to address the problem with troubleshooting. There is a part inside the TV that needs to be replaced. If you're under warranty, this will cost you nothing. If you're not under warranty the cost will likely be a minimum of $200 parts and labor. However, be warned that the cost could be considerably higher.


I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.

Please post a comment if you need additional assistance so that I can help you further.

Posted on Jul 13, 2009

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Posted on Jan 02, 2017

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Sony KDS-R50XBR1 /(2005) Red stand-by light blinks 4 times.Tried new bulb (Philips) 1 week ago ,same problem as before .Whole new light engine replaced two yrs ago by sony.What happens is it will turn off...


The error code of 4 blinks indicate a fan problem.the fan is slowing or internitantly stoping. the fan is stallling. or the fans not getting power. Always rember anything that moves will eventally stop. this fan is on all the time. also there more than one fan. Listen closely to hear the fan. The fan is not difficult or exspensive repair.

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Panasonic model th42pz77u no pic, no sound, blinking red light ten times


9.2. Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
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TH-42PZ77U:
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1 Answer

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I have a similar problem with the Sony 60" wega SXRD rear projection TV. The green light blinks on the power/display LED and the picture comes on for a few seconds and then the screen goes black . Then the...


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1 Answer

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