Question about RCA P52926 52" Rear Projection Television

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Sony KP-57HW40 TV

When i turned it on it has a blue screen. After like 30 sec. it turn itself off and the standby light blinks 8 times. What is wrong with my TV? Is it worth fixing? i bought it for $2000. I dont want to try it away. PLEASE HELP! i read that i have to buy a new D-board, is that true? thanks!

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No i' don't think is there any arcing noise ? you my have bad picture tube but is not expensibe and is worth fixing it that is a job for experienced tech

Posted on Mar 30, 2008

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Hi i have a kp-57HW40 sony projection tv. Right now it is failing, and when I turn it on I hear multiple clicks. The screen will not even light up, just stays black as it if were powered off. On the...


Thats the error for having a issue with the +5V which can be caused by either the A board or the B Board with the B board being the most likliest cause.

Jul 09, 2011 | Sony KP-57HW40 57" Rear Projection...

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It sounds like the blue CRT (picture tube) is failing. The part number for this is 8-733-575-25 but you will need a technician to replace it for you as there is mechanical and electrical alignment to with with it. At that point it probably isn't cost effective to repair the TV. Please take a few moments to rate my answer. Thank you.

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Apr 20, 2008 | Sony KP-57HW40 57" Rear Projection...

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FIVE Blinks---AKB circuit (AKB), the timer/standby indicator blinks for about
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Feb 19, 2008 | Sony KP-57HW40 57" Rear Projection...

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Cost of repair if they need to replace the T8005(d Board)


hmmm my information says blue tube bad.
sony has a recall on this
http://esupport.sony.com/perl/news-item.pl?news_id=24

Dec 26, 2007 | Sony KP-57HW40 57" Rear Projection...

1 Answer

KP-57HW40 w/ 8 Blinks


8 times, Diagnosis: High voltage error. Possible cause: T8005 is faulty. (D board)

Dec 23, 2007 | Sony KP-57HW40 57" Rear Projection...

1 Answer

SONY KP-57HW40 TUNS OFF AND STANDBY LIGHT BLINKS 6 TIMES


6 blinks is usually associated with failure of the horizontal deflection amplifier - which shuts down the high voltage system as well.

The repair requires testing to determine the exact parts that have failed. There are, for example, a few hundred parts and a section of the Jungle IC chip involved. So, repairs could require something as simple as replacing some inexpensive passive components OR as complicated as replacing the jungle chip (very expensive).

most of the time it's the horz. transformer and transistor.

Dec 20, 2007 | Sony KP-57HW40 57" Rear Projection...

1 Answer

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did you clear the code by hitting display channel 5 volume up then power then press 8 enter or look at sony blinking codes to reset to factory settings

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