Question about Sony Grand WEGA KF-42SX300 42" LCD TV

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I have recently had the lamp replaced on my Sony KF-42SX300U which is still under guarantee. TV now works fine but have two small blue dots in the middle of the screen, should I call back the service man..will this get worse?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: KF-42WE610 blue dots and blue vertical haize

Go to the Sony Web support site. If your TV is one of the models listed with the blue dot problem (there are pictures of what the screen looks like with this problem)on the site, Sony is now saying that they will cover the cost of the part and the repair. We did what I'm suggesting and are having our part put in today. Sony decided this was their responsibility for some models of their LCD big screen HD TVs in June of this year. We were contemplating an estimated repair bill of over $1000 until we found out they were taking responsibility for this problem. Good luck, I'm not a truly techy person, but hope I have pointed you in the right direction. We have been living with blue people, etc. for about a year now, feeling angry about spending so much for a TV and it going bad so quickly. Hope this spares you that. You have only so much time to take advantage of this repair offer...

Posted on Aug 29, 2007

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  • 121 Answers

SOURCE: blue dots on LCD screen

http://www.sony.ca/view/319.htm

Posted on Feb 25, 2009

welcomejee
  • 10594 Answers

SOURCE: Replacing Lamp

Have you replaced lamp in TV?

Posted on Apr 24, 2009

ssebata paul
  • 159 Answers

SOURCE: sony grand wega KF-60WE610,blue dot in the middle of the screen

check focus ic

Posted on May 30, 2009

welcomejee
  • 10594 Answers

SOURCE: What causes 900+ blue dots appear on my Sony rear projection tv?

Dot problem in Sony DLP TV caused by bad light engine (optical block)
Its costly part and needs qualified TV tech to fix it.

Posted on Jul 25, 2009

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1 Answer

Recently changed my bulb for my Wega LCD KF-42SX300U TV. Since then it is turning itself off, with no particular pattern. It can come straight on and last for a few seconds, or last the entire evening....


Hello,
This is a classic case of a faulty lamp(even though it is new). Possible that it is a ballast(lamp power sply) problem but it is more likely that the lamp doesnt quite meet the required specifications. Your lamp may be a Non-OEM or a refurb. You should try to get it exchanged with the vendor you bought it from.
justlamps.com is a great source for bulbs.
good luck

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1 Answer

I PUT MY SONY GRAND WEGA KF-42SX300U 50 in. lcd


Well we need to have in mind that a generic lamp will give you 3500 to 4500 lamp hours and the Phillips will give you 6000 to 8000 lamp hours ,The lamp itself typically uses AC current and about 15,000 volts to ignite the lamp's mercury2.gif vapor gas. The gases inside the lamp react when electricity charges up the mercury gas creating very bright light. The voltage drops to keep the flow of electricity to the lamp.
The symptom of a bad ballast is that you could hear a constant CLICKING or electrical BUZZING sound,my recomendation is to take out the lamp to physically check for any sings,(shatter fillement,black or grey spots in the fillement or smoke ) you can get good deals at http://www.discount-merchant.com/?click=52978
Please keep us posted,

Oct 07, 2009 | Sony Grand WEGA KF-42SX300 42" LCD TV

1 Answer

Replacing Lamp


Have you replaced lamp in TV?

Apr 17, 2009 | Sony Grand WEGA KF-42SX300 42" LCD TV

1 Answer

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the orange lamp is suposed to be on when the set is off but there is still power to the set
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Im afraid my friend the lamp needs replacing (model: XL-2100E), if you have a hunt on google you will be hit with the pain of the cost... like me :(

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Hi Guys

The Blue dots or discolouration you are seeing is due too the Blue LCD screen having cracked from excessive heat. This normally happens when you have a power failure while the Television was on. This obviously because the Blue LCD sits next to the lamp - the main cause of heat. The correct part number on the 60" is A-1086-952-A. It is very, very ,expensive.

Sorry to have been the bearer of bad news. Good luck : )

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1 Answer

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Check the optical block repair at sony's warranty website...
Could be the problem they have been covering it under a recall of sorts. $1250 for the optical block and they are only doing it until the end of the year so don't waste any time

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