Question about Sony KV-27V22 TV

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Kp-46wt510 rear projector

My sister bought a new plasma and gave me her KP-46WT510. Turned everything on, and there is no red color being displayed at all. Turned on a movie where I know red is and it appears as grey. You can tweak all you want, but nothing is corrected. Any suggestions?

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Re: kp-46wt510 rear projector

Have you tried adjusting the red screen control located inside the front of the set? Usually behind the speaker grill. It is part of whatis called the control focus/screen block. There are 6 controls on this assembly. Be extremely careful high voltage is present. If you turn the red screen control and no red is seen onthe red gun , there are two possibilities. A) bad picture tube B)open filament connection on crt board. Scrivitron

Posted on Jun 21, 2007

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A plain green display to plasma display is a bad symptom. If you wish to get some details, check the site linked here. Pull up older posts. Defective screen-shots to Plasma displays are given with illustrations. You can check and compare it to that of your TVs' and make sure about the fault.

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Check the red output section circuit. If you wish to get more details, check this link.
Pull up previous posts by its left sidebar, or type in the brand name and model number to of your set, to its search box, and press 'Enter' or view it in Mosaic / Timeslide option.

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I have a 2000 Sony KP-53HS10 color rear video projector, Just yesterday it turned off in the middle of watching it and the timer/standby light merely blinks. When I unplug it and replug it in, the same...

Good day!!!

That problem is usually have 2 causes..Its either power supply board or mainboard..

Please take this steps on how to determine the problem:
  1. Open the back cover.
  2. Check the power supply output...It should have 5vdc for the main board..12vdc or 16vdc for the audio and 24vdc for the back-light inverter..
  3. If those 3 voltage supplies have encountered voltage drop...The problem could be on power supply board..
  4. If the power supply output is normal..The problem could be on the main board...
  5. If the problem is power supply you should check if the capacitors are bulged on the top and try to replaced it..If you can't do that you can purchased new power supply board..
  6. If the problem is on main board there is no D.I.Y repair on that so you need to buy a new main board that fits to your TV..
Hope thissolution will be helpful..

Thanks for using fixya...

Jul 05, 2011 | Sony KP-53HS10 TV

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Model- kp 51ws 500 manufactured january 2003 color rear video projector the screen looks 3-d, in the center of the screen it looks fine but on the edges of the screen the words or images look 3d and...

BOTH OF THE STK-392-560 convergence chips need to be replaced; there are also fuses on the power board that protect them--do not look like fuses; if you need photos of the place where the chips are and the fuses, let me know.

Repair takes about a hour and parts if purchased on EBAY will be under 25 dollars.


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Left side of screen has the color seperated. Sony model #KP-46wt510

take a magnet(speaker magnet) take it near colored region .just wave it near,,, & far when color patch goes take the magnet away. if color patch returns after some days..u have to replace a part inside ur tv called p.t.c

Mar 11, 2010 | Standard (CRT) Televisions

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I have a red shadow in 3d on sony KP-46WT510 TV.

The STK392-560 ICs have gone bad. They need to be replaced by a qualified TV2_bing.gif technician. The repair cost is from $200 and up.

Best of Luck
Nour BMI

Feb 17, 2010 | Sony Standard (CRT) Televisions

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Need a manual for a model kp-46wt510 tv sony

Click Sony Support to download User Manualof KP-46W510
Click Manual Zone to buy service Manual of same model.

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Kp-46wt510 rear projector from sept. 2003

You have a failure in the convergence circuit. There's a circuit board ( the convergence board) which has 3 IC'c on it that drive yokes on each of the picture tubes red-green- blue. You probably lost power to these IC's or one or more may have opened up. Sometimes poor solder joints on these IC's will develop causing loss of convergence. Hope this gives you an idea as to where you problem is. Stargazer

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