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

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KP-51HW40 I have this model Sony TV It's been working fine, now today when i turn it on, it works fine for a few minutes then the picture starts to fade and then goes to a blue screen. The sound still works perfectly. HELP!!!

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Sounds like the tuner may be going out on the set.

Posted on Aug 17, 2008

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I have a sony KP-51HW40 and when i turn it on about 5 minutes later it shuts it off.


If the TV works fine during the 5 minutes its on then your power supply in the tv is heating up and shutting off. If you have some mechanical knowledge you can buy another power supply from Ebay for around 35.00 and replace it. will require some soldering

Jan 23, 2011 | Sony KP-51HW40 51" Rear Projection...

1 Answer

I have a sony kp-51hw40 that I just received


This problems also cause by the 2 STK convergence ICS and some or all it resistor are dead.Require changing the 2 STK convergence ICS and some or all it resistors will solved this fading out and shuting down.

Jul 11, 2010 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Green screen and shut down


TV screen flashes with Red lights for few times. sometime it shut down TV or red color is lost showing pictures without Red looks terrible. Any solution

Sep 17, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Blue screen


This is easy to fix, pull off the front grill and turn the bottom left trim pot anti clockwise until the picture comes back. I am asuming the picture there and then it fades to blue. There is a step by step instruction on how to get the whole thing apart http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Sep 15, 2008 | Sony KP-51HW40 51" Rear Projection...

4 Answers

Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

Aug 23, 2008 | Sony KP-51HW40 51" Rear Projection...

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 KP-51HW40 51 in. Rear Projection turns blue


Hello......
First reduse the G2 voltage for the blue c.r.t,and watch if the unit works for longer period (offcource blue colour will be not present).After reducing G2 voltage to blue c.r.t still behaves the same than c.r.t is faulty and you have to replace.
Pls count the red led blinking when it goes off,incase it goes to std by mode.
Gopali

Dec 14, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Red screen


Hi,
sounds like a picture tube problem its a problem that probably cant be fixed only by a professional

Nov 30, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

TV not working


Vertical amplifier s faulty.Replace and resolder surrounding area.

Oct 30, 2007 | Sony KP-51HW40 51" Rear Projection...

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