Question about RCA HD50LPW42 50" Rear Projection HDTV

5 Answers

LAMP COMES ON AND GOES OFF

LAMP AND COLAR WEEL WILL COME ON FOR ABOUT 10SEC AND THEN GO OFF THEN STAY OFF FOR ABOUT 45SEC THEN DO THE SAME THING AGAIN AND AGAIN

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Hi its an bad lamp with an resistor failure on the board...fix it the problem will be solved...thank you

Posted on Jan 14, 2009

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Its time for removing and reinserting the lamp and colour wheel.but if still shows the samr then it needs replacement 1 by 1.
http://www.flickr.com/photos/fixyourdlpcom/

click the link for replacement directions.

Posted on Jan 13, 2009

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  • Master
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Remove the lamp from the lamp assembly
Remove the back panel.
From the back, slide the main circuit board to the left (loose one screw)
Remove the power interlock on the lamp assembly (2 screws)
Disconnect Lamp assembly cooling fan lead.
Remove the 4 silver slotted screws on the lamp assembly, 2 in the front and 2 in the back.
Carefully remove the lamp assembly from the rear. WATCH the Mirror.
Remove fan, cut leads and solder or **** splice on to the new fan.
Repeat steps for installation

Posted on Jan 13, 2009

  • Sergio Scalfaro
    Sergio Scalfaro Jan 13, 2009

    Remove the lamp from the lamp assembly

    Remove the back panel.

    From the back, slide the main circuit board to the left (loose one screw)

    Remove the power interlock on the lamp assembly (2 screws)

    Disconnect Lamp assembly cooling fan lead.

    Remove the 4 silver slotted screws on the lamp assembly, 2 in the front and 2 in the back.

    Carefully remove the lamp assembly from the rear. WATCH the Mirror.

    Remove fan, cut leads and solder or **** splice on to the new fan.

    Repeat steps for installation

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It looks Lamp needs replacement.
TV goes to shutdown because of excessive current consumption of weak lamp and new lamp will resolve this issue.

Posted on Jan 13, 2009

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The small power board that powers up the lamp is defective, must be tested and eventually replaced.

Posted on Jan 13, 2009

  • Ginko
    Ginko Jan 13, 2009

    The small high voltage power board that powers up the lamp, often improperly called ballast board, is defective.

    To fix the problem the TV must be taken apart and inspected by a technician , if picture goes intermittently, it is likely a bad solder joint or a loss contact.

    Call a technician before you burn the lamp, and end up spending more money on parts.


  • Ginko
    Ginko Jan 13, 2009

    I do not think it is the lamp, when it is the lamp, usually it does not turn on at all, and you get an error message..

    A lamp is expensive, call the technician .

    Here is the manual :

    HDTV User’s Guide



    Here is how to replace the lamp: ]
    instructions RCA


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