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SonyLCD TV KF-42SX300U Recently, the picture on the TV has become very dark with no colour. The sound is perfect. We lost the remote control sometime ago and therefore cannot try to adjust the picture? Could it be the internal lamp that needs replacing? I have small children who Iv'e often seen banging the front of the TV (where lamp is located). Please help? Look forward to hearing from you Regards Belinda Ryan Belinda.ryan@ntlworld.com

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Yes your lamp needs replacing as it lfe span is waering low

Posted on Sep 09, 2008

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My sony kf-42sx300u wnt turn on? the switch flickers green, red + amber? could it b a fault in the switch? louise x


Most common problem is Bad Capacitors they will be vented or puffed up on Top. 2200uf 10v 3300uf 10v 1000uf 16v

Nov 15, 2010 | Sony Grand WEGA KF-42SX300 42" LCD TV

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Sony grand lcd kf-42sx300u the on and off switch flashes and the tv wont turn on


one or two things....broken or ur a flashes wire need to be turned.....

Aug 27, 2010 | Sony Grand WEGA KF-42SX300 42" LCD TV

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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

Jan 07, 2010 | Sony Grand WEGA KF-42SX300 42" LCD TV

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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

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Replacing Lamp


Have you replaced lamp in TV?

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

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Orange/amber light


the orange lamp is suposed to be on when the set is off but there is still power to the set
red will be on when in standby
green when set is on and working

Dec 19, 2008 | Sony Grand WEGA KF-42SX300 42" LCD TV

2 Answers

Got a sony grand wega kf-42sx300u tv. the standby indicator on the tv flashes


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 :(

Aug 11, 2008 | Projection Televisions

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