Question about Sony KP-51HW40 51" Rear Projection Television

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No picture blinking stand by light

No picture - blinking stand by light - can turn on, blue background comes on for five to ten seconds, TV then turns off and stand by light blinks. the light is still blinking but I did not watch it long enough to notice a sequence.

Posted by Robert Ingram on

  • Anonymous Mar 13, 2014

    I replaced the lamp light. When i turn the tv on the stand by light will blink but no picture. Or sometimes the picture will appear then goes blank again.

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Anonymous

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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

Posted on Jun 16, 2007

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Pioneer Elite PRO-1140HD blinking stand by light - can turn on, blue background comes on for five to ten seconds, TV then turns off and stand by light blinks. I know it is a circuit from the motherboard, can I fix it myself? Would you be able to provide me with parts and how to change it?

Posted on Mar 21, 2009

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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.

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If i remember correctly ten blinks means a high voltage error.
The only thing you could try is unplugging the power cord then plug it back in and try turning on the tv. If it still won't turn on try unplugging the power cord for five hours or longer and try again. If it still won't turn on it would be best to find a local repair shop that works on sony tv's and have them repair it for you.

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Picture went out and red light on the stand by button blinks ten times and stops for sec and starts the ten blinks all over. When I turn TV on I can hear sound of the tv trying to turn on but no sound or...


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10 blinks on KDP-57WS655 model no. is an error code for "High voltage protection". I can tell you exactly which part gone bad and assist you to fix it yourself. Click it here.

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My model is a WS-55511. I turn on the TV, the


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UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.

PRESS AND HOLD “device” and “menu” buttons on front of tv for at least 5 seconds and then release both together.


Watch for power light to blink in a sequence:

1 blink-then 2 blinks-------no error

2 blink-then 1 blink-------X-ray protection

2 blink-then 2 blink-------SHORT PROTECTION*******

2 blink-then 3 blink---------deflection circuit problem

2 blink-then 4 blink---------vertical circuit problem


******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.


SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM

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