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

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Sony KP51HW40 blurry screen will not flash focus, intermittent problem, works OK then goes blurry with siluettes

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  • citXdrv Sep 12, 2008

    same thing here. Ill go six month fine then six months with blue offset (and flash focus trying but not working). It seems like a bad connection somewhere and if anyone could shed some light to where I need to look inside the tv...

  • citXdrv May 11, 2010

    please help : I tried messing around with convergence settings in service mode, I have a error code if i try to flash focus (low SO ??). and if i try to adjust it manually : red and green respond fine but blue keeps this hourglass shape and do not budge... keep in mind the problem comes and goes (i was fine for a couple months at a time).

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Your convergence is trying to go out

Posted on Aug 30, 2008

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2 Answers

42" sony projection with blurry picture


Remove front bottm panel and behind it should be the Focus/Screen control block replace it.
Mats 1-800-628-1118

May 09, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

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pull the fron grill off the set then remove the cardboard covering the hole that is in the front of the set you will find a square box that has 6 controls on it adjust the focus for the red, blue and green crts, do not adjust the three marked screen control.

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Yeah, seen that more times than I shoulda in the last 4 years. The red picture tube has a cathode to heater short. That means it's no good. That red picture tube is no longer availible. But all is not lost. There is a company that rebuilds those tubes reasonably. Most reputable tv shops will know this. The ones I've done cost around $450 out the door. One minor hitch is that with all the shipping involved the job usually takes about three weeks. That can be expidited but then the price goes up.

May 28, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Sony kp51hw40 projection tv screen turns blue


The blue CRT needs replacement. You can get a replacement CRT at the following link.
http://servicemanuals.vstore.ca/

Feb 02, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Blurry screen?


there are 3 things that will make your tv go blurry, the focus and screen control assembly , the high voltage splitter and the horizotal transformer and that is only if all three tubes are blurry.if only one tube is blurry, more than likely the tube itself is bad.

Aug 05, 2008 | Sony KP-53V80 53" Rear Projection...

1 Answer

Red screen on my sony kp-53s25,


That model is famous for bad green CRTs which can cause the screen to take on a red hue when the green cuts out that can also cause the set to get blurry also. Let me know if you need more assistance.

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1 Answer

Blurry picture


1)Remove rear cover = clean RGB lens with soft cloth
2)Remove front speaker grill cover and access panel
Locate screen / focus block = adjust RGB focus controls
3)Last,if needed, unlock each focus lens cap = adjust then lock
................................................T.

Dec 01, 2007 | Sony KP-51HW40 51" Rear Projection...

2 Answers

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this could be three differnt things

1. the crt itself could be bad

2.the vertical ic on the crt board

3. the focus pack or focus block

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1 Answer

Rear projection picture problem on Sony 61" big screen tv


Sony had a problem with flickering, please confirm make and model number.
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