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

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No picture.. I have a sony kp-51hw40 and I believe the bulb went on it. I have the audio but no picture.

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Picture mute is activated ,it can be vertical amp faulty or one of the c.r.t drive faulty,therefore the mute circuit is active.Increase G2 voltage for the any of the three c.r.t and notice screen .Vertical amp is faultry than you will see horizontal line across the screen and if you see full screen with flyback lines ,means c.r.t drive is having fault.isolate one by one c.r.t drive.

Posted on Dec 14, 2007


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How do i replace the bulbs for sony KP-51HW40 t.v.

You do not have any bulbs in this set. You have 3 CRT's. You can not get them anymore. You would have to pull all 3 out and send them in to have them rebuilt. For the cost of that, I would purchase a new TV.

Apr 14, 2011 | Sony KP-51HW40 51" Rear Projection...

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Picture blinks on off

Bad bulb about ready to die out, also cooling fans, especially the small one on the projector assembly need removed and clean or the new bulb will burn out faster.

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

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No picture but has audio with DVD and video

Try replacing bulb and clean all cooling fans of dust including projector. It is the cheapest start. After that it may be beyond you to repair.

May 14, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Nothing displays on screen

the bulb maybe burnt out, I had a similar problem only no audio. The odd thing was that the lamp light was not lit indicating the bulb was burnt.

Dec 01, 2008 | Sony KP-51HW40 51" Rear Projection...

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Bad blue CRT................common problem.............T.

Dec 02, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

KP-51HW40 - Picture not Clear

Your problem is a typical convergence problem that happens on almost every tube type projection TV set ever built. There are two Convergence amp IC's that need to be replaced. If you have no TV repair experience, play it safe and call in a pro to assist you in this. Good Luck

Apr 29, 2007 | Sony KP-51HW40 51" Rear Projection...

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