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

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Kines on Screen and Fading

My Sony KP-51HW40 began with blue lines arching across the screen and now the picture has started fading, especially on the "normal" screen.

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That is correct. Got it! Goodbye blue wavy lines! Thank you!

Posted on Oct 15, 2011

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Open up the front of the set by removing the speaker screen and the black piece of particle board. on the bottom right you will see 4 knobs. Turn those knobs slowly till the arcs go away. The 3 knobs on the bottom are for color. the 3 on top are for the focus.

Posted on Jun 30, 2008

  • sirmat2k Sep 20, 2011

    How does the speaker screen come off? I cannot see any screws to remove from the front.

  • Justin
    Justin Sep 28, 2011

    If memory serves, there are two covers, on each end, at the bottom. Those can be popped out by a flathead screwdriver.

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1 Answer

Picture is very blue, especially in dark scenes.


Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.

Jul 21, 2010 | Sony KP-57WV700 57" Rear Projection HDTV

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...

1 Answer

I have a KP-51HW40. Everything works fine but the screen stays blue. What could the problem be?


if blue picture tube is blooming with retrace lines? it's because it developed internal short. you might try to turn down screen on blue picture tube. always mark with fingernail polish so you can return to starting position. J.D.W.

Jun 24, 2010 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Normal pictures fades to blue screen within 30 seconds


The fix for this is here somewhere, as I had the same problem last January and the solution was posted here in March last year. I'll try to find it and post the link to it for you, later.

Nov 06, 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...

3 Answers

KP-51HW40 Sony 51" Fades to blue screen


The service manual on page 8 shows how to adjust the Red/Blue/Green screen voltages. To get to the adjustment board, take the front speaker grill off (two screws at the bottom left and right) and set it aside. No need to disconnect any wires. Then remove the plywood board with 4 screws that exposes the screen/focus adjustments. The top 3 adjustments are for focus, and you need not mess with these. The bottom 3 adjustments are for Red/Blue/Green screen voltage rough adjustments. My screen showed red lines, so I had to turn the bottom right adjustment with a philips head screwdriver just slightly until the red gun retrace lines where no longer visible.

Aug 26, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

KP-51HW40


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

Aug 10, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Picture and screen


http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Jan 02, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Sony Kp-51hw40


Sounds like a bad solder connection in the sweep power supply. Not a repair for the novice I'm afraid. If you get it fixed before the set goes out completely, it should not be that expensive of a repair. Good Luck

Jun 03, 2007 | Sony KP-51HW40 51" Rear Projection...

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