Question about Sony Grand WEGA KF50WE610 50" Rear Projection HDTV-Ready Television

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Sony LCD Grand wega black and white picture

I have a Sony Grand Wega LCD T.V it has about 12000 hrs on the lamp. The picture has gone to Black and White is this the lamp that needs replaced or is it something more sinister.
Thanks in advance.

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  • paradrol Jun 23, 2008

    Thanks for taking the time to respond. The problem was a simple one the connection on the back was loose all that was required was the connector pushed back in and it works like a charm. My lamp is still bright and I am also surprised how long this bulb has lasted.

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12000 hours you are lucky most last 2000 hours
lamp not the usual suspect for this
confirm black and white on all inputs and it will be more sinister, if only one input, it could be the signal source

Posted on Jun 22, 2008

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TV WONT COME ON AND THE LIGHT KEEPS FLASHIN RED AN GREEN ON THE STANDBY BUTTON


  1. If your Sony Wega will not turn on, the front green light blinks, you hear a faint whirring sound and the green light turns red and flashes, it probably means the lamp inside the set is no longer working. If you noticed the screen beginning to dim in the preceding days or weeks, this most likely is the cause.

  2. If the green light flashes and the picture comes on momentarily but then goes off, and the green button flashes until the set restarts, then the seal around the lamp mount is loose and needs to be refitted.

  3. If the picture on your Grand Wega cuts in and out and the green standby light flashes, both of the set's STKs need to be replaced. STKs are small chips on your television's circuit boards and are identifiable by their labels. The specific STKs used in your Grand Wega TV will be identifiable by the numbered labels on top of the STKs.

  4. When you plug in your Sony Wega and hear a loud popping sound, it's probably caused by a defect in the high-voltage circuit. Let the professionals take care of this one.

  5. If, after turning on your Sony Wega, you can hear your set but the screen is black, you most likely need to replace your projection lamp.



Read more: How to Troubleshoot a Sony Grand Wega ' eHow.com http://www.ehow.com/how_5243554_troubleshoot-sony-grand-wega.html#ixzz1EoY37gpC

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My Grand Wega KFE50A10 has a black screen. When started the power/standby light flashes green and the fan starts. After a period the same light starts flashing red in blocks of five. What does this...


Hi,do you hear any strange noises? If you hear clicking or like wanting to turn on it could be the board that powers the lamp it's called the ballast. But if you don't hear any strange noises,tv is around 6000 hrs,2-4 yrs it could be time to replace the lamp.The lamp you need is XL2400 you can find it here:http://www.discount-merchant.com/Sony-XL-2400-Lamp-F93087500-Bulb-A1129776A-p/sony_xl-2400_f93087500_bare.htm?Click=48173 .Have a blessed one!

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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
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I have a 40 but i was having the same problem. It turned out to be my lamp. I got a brand new lamp from Projector Lamp Services (relampit.com) and my tv works fine now. Im pretty sure that the 40 and the 60 take the same lamp. You might want to give them a call.

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1 Answer

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You have a bad optical block assembly.

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