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SONY TV KDL-50W800B picture is distorted with black squares running across the entire screen. What part needs to be replaced? Thanks

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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dhiman
  • 115 Answers

SOURCE: Bleeding blue color upon projection

Yes you can replace the lamp, but service in must including the RGB Panels for the same. that will solve ur problem.

Viren

Posted on Nov 27, 2007

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  • 16 Answers

SOURCE: Magnavox Color TV Model #27MT3305/17

The problem I was having was that the vertical deflection was collapsing on itself from the top. I'm a tech and I am visiting web sites who experience similar problems with the Magnavox 20 MT4405 in hopes of saving them time and money."Starsong" has the right answer. Replace electrolytic capacitor #2465. It is a
10 microfarad electrolytic capacitor rated at 160 volts. Although the existing capacitor appeared good,in circuit and out, the charge-discharge time was flat as compared with a new capacitor. Plus, when the capacitor is in circuit with full voltage applied, the capacitor leaks too much. The cost of the capacitor should be under $2. It should take under a half an hour to replace. Be certain to let your set rest, unplugged, for at least a half hour before attempting to replace this capacitor. There are high voltage present around the crt even after the set is turned off. The high voltages can cause serious bodily harm. I would suggest a tech discharge the anode on the crt with a high voltage probe passing through a volt meter and running to ground. You will need a soldering iron, solder ******, solder, and I like to use a little flux for good adhesion of component to board.

Posted on Dec 06, 2008

pgh_pa_guy
  • 2992 Answers

SOURCE: Picture Problem

This is a problem (one of several) caused by poor solder connections on the circuit board. RCA uses the metal shield can surrounding the tuner circuitry (the area where the cable connector is located) to provide several ground connections. Many of these connections go bad (cracks form) and the missing ground connections cause the "picture shrinking" you see. Other problems are loss of tuning, set that intermittently turns off or on by itself, set that won't turn on at all, and even more.

The repair involves removing the circuit board and flipping it over so you can remove a metal cover on the bottom, repairing the several (many) affected connections, and then reassembling. This is a relatively easy repair for someone with soldering experience and the right tools (both a high-heat soldering gun and a low-heat iron are needed). But because of the fragile circuit traces in the repair area it is possible to do more harm than good if you don't know what you're doing.

RCA produced a service bulletin several years back detailing the areas to be repaired (although they still refused to admit they just hadn't soldered the places adequately to begin with). I'm not home now so I can't check my files but I'll see if I can find a link and add a comment later. When I was in the service business we charged around $60 for the repair. You might want to get an estimate from a shop (they should already be familiar with this trouble). Or if you're looking for a reason to buy a new set, try the repair yourself. If you're successful you've saved yourself the money. If not, it wasn't working anyway!

Posted on Feb 02, 2009

blueextc3221
  • 15935 Answers

SOURCE: I have a Flat screen

Are the lines all the way across the screen? or just a few? Solid black - or trannslucent?

Like this??

5af01cc.jpg
Horizontal drive has either data, voltage, or control problem from the pixel registry circuit......get it serviced before the problem spreads causing further damage.

However, in all likelyhood, the panel itself is bad. The Bravia line has had a bad rap about the faulty displays, and at $1800 replacement (plus labor) - it may be time to call SONY direct to complain!

Thanks!!
nc

Posted on Apr 02, 2010

tvhelp-Dave
  • 178 Answers

SOURCE: Bravia KDL-46VL130 TV: Our Sony KDL-46VL130 picture is streaking and some...

That symptom may cause by the main board or t-con board, I suggest you do software up grade first.

Posted on May 07, 2010

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Are the lines all the way across the screen? or just a few? Solid black - or trannslucent?

Like this??

5af01cc.jpg
Horizontal drive has either data, voltage, or control problem from the pixel registry circuit......get it serviced before the problem spreads causing further damage.

However, in all likelyhood, the panel itself is bad. The Bravia line has had a bad rap about the faulty displays, and at $1800 replacement (plus labor) - it may be time to call SONY direct to complain!

Thanks!!
nc

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