Question about Sony KP-51WS500 51" Rear Projection Television

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Sony KP-51WS500 tv went red screen on me it has 4 blue lines going across also has blinks 6 times.. what do you think this might be..

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Off hand I would con dim the Red and Blue CRT"s. If you were to replace two of them I would also do the Green CRT as well. The cost of just doing two of them is way too expensive in my opinion and you would be better served to replace the set instead of investing the amount of money needed in a 6-8 yr. old set.
Hope this helps,
Skyassoc

Posted on Jul 15, 2009

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I have a Sony kp-51ws500 I had the tubes fixed 3 years ago!! Now the blue screen flashes & shuts down the tv!! Also the red timer lite is blinking at the same time!!! I dont have the timer set!! Please...


The Blue CRT has shorted and shutting the set down. You can verify this by simply sliding the Blue CRT drive board off the neck without unplugging any of its wires, Just let it hang suspended and then try powering up the set. If the set stays on you will know the Blue CRT needs replacement.

Sep 19, 2010 | Sony KP-51WS500 51" Rear Projection...

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Sony KP-51WS500 turns red ,shuts off, led blinks 8 times


Here are the fault codes for your tv and what components are affected:

  • 0 times, Diagnosis: Power does not turn on. Possible causes include: Power cord is not plugged in, Fuse is burned out (F6001) (G board). Symptoms of the problem: Power does not come on, No power is supplied to the unit, AC power supply is faulty.
  • 2 times, Diagnosis: B overcurrent (OCP). Possible causes: H. OUT (Q8024) is shorted. (D board), +B PWM (Q8035, 8038) is shorted. (D board) Symptoms of the problem: Power does not come on, Load on power line is shorted.
  • 3 times, Diagnosis: +B overvoltage (OVP). Possible causes: IC501 is faulty (G board), IC5002 is faulty (G board). Symptoms of the problem: TV has entered standby mode.
  • 4 times, Diagnosis: Vertical deflection stopped. Possible causes: +- 15V is not supplied. (D board), IC8003 is faulty. (A board) Symptoms of the problem: TV has entered standby state after horizontal raster, Vertical deflection pulse is stopped, Power line is shorted or power supply is stopped.
  • 5 times, Diagnosis: White balance failure (Not balanced) Possible causes: Video out (IC7101, 7201, 7301) is faulty (CR, CG, CB board), CRT drive (IC309) is faulty (A board), G2 is improperly adjusted. Symptoms of the problem: No raster is generated, CRT cathode current detection reference pulse output is small.
  • 6 times, Diagnosis: LOW B OCP/OVP (Overcurrent/over voltage). Possible causes: +5 line is overloaded. (A, B boards), +5 line is shorted. (A, B boards). Symptoms of the problem: No picture.
  • 7 times, Diagnosis: Horizontal deflection stopped. Possible cause: Q8035, 8038 is shorted. (D board)
  • 8 times, Diagnosis: High voltage error. Possible cause: T8005 is faulty. (D board)
  • 9 times, Diagnosis: Audio error. Possible causes: +- 19V line is shorted. (A, B boards), IC708 is faulty. (A board), PS701 or PS702 is opened. (A board). Symptoms of the problem: No sound

I have seen the tube divider pack cause this too, Take the front speaker grill off remove the 4 screws and the panel comes off. There is a pack with 2 red 2 green and 2 blue adjustments, Try turning the BOTTOM red one down 1/32 a turn and see if the symptoms change

Apr 03, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

KP-51WS500 when on it blinked 4 times and has redscreen


Typically if you have a all Red Screen it is caused by either the Red CRT being shorted or The Red CRT Driver Board being bad.

Jul 17, 2009 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Red lines across screen


had tv that did the same thing after three years but they were green cost me 300 bucks to get it fixed and the guy said every 3 to 5 expect it

Jul 03, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Sony KP65WS500 5 blinks


I think problem is in Protection circuit itself. Protection seems unstable in your tv that's why it doesn't give you chance to diagnose problem.
Try to isolate protection command and check tv.
Its an idea and hopefully it will work.

Sep 24, 2008 | Televison & Video

4 Answers

Blue Screen and TV shuts off


Here's a shortcut to what the blinking codes mean.
http://www.somelifeblog.com/2007/08/sony-tv-led-blinking-codes-what-does-it.html
Strange how some people have 5 blinks. Most with this problem have 8 blinks (like myself)

I still have the blue-flash-then-shutting-off problem.. (8 blinks meaning voltage error) but I did fix the blue lines.. The lines across the screen can be very easily fixed whether they're blue green or red. . No, I mean REALLY easy. Took me longer to get the cover off. Once the front cover is off it takes 10 seconds. This link was also posted recently in one of the posts below as a solution..
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
(My lines didn't look like the ones in the picture mine were several evenly spaced blue arcs)

After some research I believe the flash/shutting off problem means the CRT is going. I've also read that it might be the D-board and I'm not even sure that that is... But If it is indeed the CRT then I'll let you know it's very difficult to find a replacement blue CRT as this part has been discontinued.. but I did eventually find an alternate to an alternate part (yes that's the 3rd alternate !)) online for $256. Here: http://store.tv-repair-service-salinas.com/8-733-649-35.html

If you're bold enough to attempt that then good luck and please let us know if it worked.
Or another alternative is there's a whole lot of Boxing Day sales goin' on right now.

Jul 12, 2008 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Sony KP-51WS500


does it have blue video image?

Sep 29, 2007 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Sony KP-51HW40


I had the same problem with mine 2 years ago (TV was 1.5 years old at that time) I had extended warranty on TV and it was fixed by Sony at no cost to me. Now yesterday I have another problem with it. All of a sudden screen went BLUE. No Sound either. It could be the CRT (That's what I read here) Out of luck this time. Will call local Repair shop (70 miles away) and see how much it will cost to fix it. Good luck.

May 31, 2007 | Sony KP-51HW40 51" Rear Projection...

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