Question about Sony KP-57HW40 57" Rear Projection Television

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KP-57HW40 w/ 8 Blinks

All tubes light up when turned on...when at full brightness, the TV shuts down indicating 8 blinks on the stand-by/timer light. Can anyone help me with this problem. Also, prior to that problem the screen had faint blue curved horiz.lines...any idea of this problem as well? Thanks in advance.

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  • 74triumph Dec 26, 2007

    A bright blueish tone flashes on the screen and the the tv shuts off. The stand by blinks 8 times. Sony recommends that you uplug the tv and hit the reset button. I did this and it does nothing. On December 24, 2007 the above occurred

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

Posted on Dec 25, 2007

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1 Answer

TV turns red,shuts off, stand-by light blinking 8Times


Eight blinks - Problem with the audio (AUDIO), unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

Feb 27, 2014 | Sony KP-51HW40 51" Rear Projection...

1 Answer

No picture comes up but tv powers up and the stand-by light blinks for about 3 to5 seconds, i also hear sound when i turn it on and change channels


If in shutdown the power light should continue to blink a specific number of blinks which is a error code.

This set is prone to bad picture tubes (has 3) so depending on code may be a fatal issue----sets will before flash bright red, green, or blue when this happens and shut off.

Jun 14, 2012 | Sony KP-51HW40 51" Rear Projection...

1 Answer

My sony kp-51ws510 color rear video projector tv when i turn it on it stays on for abt five seconds and then turns off and also the timer and standby light is flashing red


this model did have problems with bad picture tubes---screen goes bright red,green,blue and set shuts down.

set also does this to protect itself---when fails look to see if specific sequence of blinks

Apr 17, 2012 | Televison & Video

1 Answer

Red light flash timer stand by


Please count standby light blinks and let me know.
There would be pause of 3 seconds in blinks.
Also confirm is it Sony KP-57HW40 model?

Feb 10, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

6 bliks on sony kp-46wt510


KP46WT510 Shutdown 6 Blinks. 6 Blinks = Low B+ OCP/OVP
SOLUTION: Replaced Flyback transformer. It had no rings on the ringer test.
HQ
Comments: Any load on the B+ line can cause 6 Blinks.
Example: If the 200v line is loaded down will cause a drop in B+ due to bright picture current demand.

Click Here! to download the Sony Kp-46wt510 full service manual.

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1 Answer

KP-51HW40 - Auto shut down problem


I had the same problem. i was told by one of these so-called experts @ fixya that my flyback transformer needed to be replaced (the 8 blinks on the standby was the indicator). but i recently replaced it and im having the same problem. sorry. no advice. good luck.

Jun 18, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

SONY REAR PROJECTOR TV


5 blinks means AKB detected. Try turning down all 3 screen adjustments slightly.

May 27, 2008 | Sony KP-53XBR200 53" Rear Projection...

1 Answer

Sony KP53HS10


Five blinks means "Video out abnormality detection". Possible problem areas are as follows:

Video out, IC7101, 7201, 7301 and others in C board circuit.
Q510, 516, 524 (A board).

There are actually three C boards, the CR, CG and CB boards. They are attached to the rear of the red, green and blue CRTs, respectively. I wouldnt attempt to repair the set myself. I would solicite the services of an authorized Sony servicenter.

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2 Answers

No picture blinking stand by light


I hve worked on a number of these units , your description is typical of a shorted blue picture tube. The protection circuits in the tv detect that there is a problem thus shutting the unit down to prevent further damage. Sony had a bad run of picture tubes in this series. The replacement cost of the tube is about $250 plus labor. My estimate would be for the repair about $400-500 depending on where you live and how honest your local technican is. I will caution you however, that you could replace this tube and the red or green could go. These would not be covered by the technicians warranty. When these sets are working, they have a superb picture and it is easy to get lured into fixing them. Scrivitron

Jun 13, 2007 | Sony KP-51HW40 51" Rear Projection...

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