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

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Picture not clear

I have a KP-51HW40 which i transported on its side. Once hooked up the picture is not as clear though still pretty good. I am now told I should not have transported on its side but straight up. I am told the lamps can be adjusted. Not sure how..Do I need to call a professional or is this something I can do myself?i would appreciate any advice. thank you

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  • scott siegel Mar 23, 2007

    It is just not as crisp as before. Mostly on the outside edges of the screen

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There is a Mirror in front of the 3 colored lamps that is facing the front. you can't see the Mirror easily when you open the back if the TV. Clean the Mirror -- makes a big difference. pierce

Posted on Mar 22, 2007

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When you say the picture is not clear please describe what you mean a little more clearly/ Thanks.

Posted on Mar 22, 2007

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1 Answer

My KP-51HW40 clicks off after running for a period. The red power light blinks when it goes off but screen stays dark. When TV is shut off for a while it restarts and runs fine. The "On"...


Hi,
KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
Let me know if you have additional questions.
Thanks.

Nov 05, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Before going to Florida, I used my playstation on my KP-51hw40, and had an amazing picture. I took my playstation out of town and used an old TV to play. When i came back into town and hooked it up to my...


it sounds like the playstation is still set for 480i. do you have it hooked up composite? (one yellow vid cable) that could be your problem, ps3 optimal with component(red green blue vid wires) or HDMI, then make sure your settings are saving properly on your unit

Mar 18, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

We have a KP-51HW40 Sony that we would like to move to another state that is 1000 miles away. People tell us that the move will ruin the tv which works perfectly right now. How do we transport the tv. No...


There is no problem in moving your set as long as the ride is not too bumpy,and i mean gravel roads with potholes.You should move it standing up though and if you can cushion the floor underneath the set it would be even better.Wrap it in plastic if there`s gonna be humidity and cold and let it warm up once it`s there.have a good trip.

Nov 08, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

I have a sony KP-51HW40 51 in rear projection we have a picture no sound. Do you have any clue what this could be? Thank you!


There are several easy things it could be.  The speakers could have been turned off in your audio settings or if you hooked up a cable or satellite box, dvd, vcr, game box or other piece of equipment that had it's own lines in for sound that could be part of the problem. Sometimes if you use picture in picture or the index function you can accidentally swap input and the primary input no longer has sound going to it.  I'd definitely recommend trying all the simple solutions first.

Mar 01, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Kp-53h530


It sounds like you have a bad I/O board. That's the input/output board that everything plugs in to.


C-Dog

Feb 09, 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...

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...

1 Answer

Picture Quality


without seeing a picture I can guess that you may have a shorted green crt or the drive going to it has changed and you may need to turn down the g2 control for the green. If the tube is shorted or bad see what type of warrantee you have on the crts as some sets have two to 5 years. Good Luck

Apr 22, 2006 | Sony KP-51HW40 51" Rear Projection...

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