Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television

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4 blinks sony kp- 51ws510 sound but no picture makes 4 blinks then shut off

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  • 2005donaldg Aug 12, 2008

    my sony tv turns on with no picture for a few few seconds, then turns off with the red light blinking 4 times...just replaced G board..thought it might be the problem.



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4 blinks is vertical protection circuit.

Posted on Feb 04, 2008


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My Sony TV Model # KP-51WS510 flushing 4 red light or blinking 4 red light again and again, once I turn on the TV power. No picture on the screen and you will hear that it will shut off but the 4 blinking...

Usually a flashing power light on a rear projection TV means a bad bulb, try replacing the bulb. Also try unplugging it for 10-15 minutes, then come back and plug it in and try again. Also if its been a long time since its been serviced it could be dust buildup causing overheating, do you hear the cooling fan running? It could also be a failed cooling fan. Generally the first thing i do with projection TV's is clean them, clean all the vents, pull the bulb out, clean out the cooling fan and bulb housing, and then try a new bulb. If that doesn't fix it then its a bigger internal problem and there is no quick fix but have it serviced.

Jan 02, 2018 | Sony KP-51WS510 51" Rear Projection...

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KP-51WS510 blinking light but no picture at all. Audible click like usual followed by another click sound shortly after.

THE click is the relay on the power board coming on and then going off---red power light should blink a error code---when set shuts off (second click) watch the power light and count the blinks.

Let me know what you find.


Jul 28, 2010 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony kp-51ws510 tv blinking light 6 flashes on timer/standby

6 blinks on your model means the +5V line is either overloaded or shorted on the A or B board. You can get replacement boards at the following link and they will assist you in determining which board of the two you actually may need.

Mar 26, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Big screen no picture

find the service manuel at and it tells you what each blinking light means.

Oct 07, 2008 | Sony KP-51WS510 51" Rear Projection...

2 Answers

Sony dp-51ws510 made 11-03

If your tv is Sony KP-51WS510, then it has problem in convergence ICs or Board and needs to be replaced.
Best Buy has no idea about Bulb, this TV is 3 CRTs rear projection system and has no Bulb or Lamp inside.
Need further help, let me know.


Oct 03, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony KP-51WS510

8 blinks in that model means High Voltage Error which means the flyback is defective and will need to be replaced. Sony parts list it as no longer available. But you can get it at the following link for 129.95 and it comes with free instalation instructions. the job takes about 45 minutes from start to finish. Heres the link.

Apr 29, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony Tv 7 Blinks

its the horizontal deflection has stopped the q5006 on the D board is broken or else ic 452 is faulty on the A board if you need to know where you can order these parts let me know and I will post a link also they offer free tec advice

Apr 10, 2008 | Televison & Video

1 Answer

Sony KP-51WS510 Shuts itself off

eight blinks means, "High-voltage error" and the probable cause location listed is, "T8005 is faulty (D board)". T8005 is the fly-back transformer assembly.

Dec 09, 2007 | Sony KP-51WS510 51" Rear Projection...

2 Answers

Sony TV Repair

It is really hard to say what could be your problem, so let me know exactly what it is -Does your set play-and has no sound and can you go into menu to audio?let me know i will try to help you.Thank You for using FixYa and Have a Nice Day

Feb 27, 2007 | Sony KP-51WS510 51" Rear Projection...

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