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Sony KDS552020 Black Screen

After few minutes the screen gets black and then comes back, cycling about every minute. Most of blogs says it is a lamp problem, could you please help me confirming it and explainme why if the lamp is not blown? Also if it is posible to check lamp.
Thx

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Sounds like,,High Voltage Xformer or splitter assy, Do you hear a hissing or static sounds? Definently needs to be servivced. If u remove back cover..you shoulf see three lamps. If all three are coming on and off at same time..its a main board problem.

Posted on May 29, 2010

Testimonial: "I replaced lamp and F100 (diode) on the lamp driver, certantly it was doing like a static noise and when I opened it came from the replaced compeonent. Thank you so much for your quick answer. Kind regards!"

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