Question about Samsung HCM4215W 42" Rear Projection Television

1 Answer

My Samsung hdtv rear projection tv model#HCM4216W doesn't have any sound good picture though but does have some light waves in picture

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  • hog_mater_07 May 03, 2010

    ok i got a surround sound i was fixing to hook up to the tv, and now the tv won't even power on.
    When i do turn on the tv the red light in the front by the power button blinks about 9 times, and nothing.

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  • Master
  • 438 Answers

The lack of sound is likely due to a defective audio output amplifier integrated circuit or IC for short, it needs replacing, the wavy lines through you picture is due to a defective filter capacitor in your power supply circuit, or may be due to the audio amplifier I.C drawing more current from your power supply causing a non clean power to be supplied to the video circuits, have the audio amp replaced first and note if the wavy lines are still present if so it is likely that some filter capacitors need replacing, to obtain sound you might be able to connect a external amplifier like your home stereo using the aux input and the sound output from your TV`s RCA jacks, this works well, let me know if you need further assistance good luck

Posted on Apr 27, 2010

  • Fal Mueller
    Fal Mueller May 03, 2010



    projection TV`s have integrated protection circuits
    built into the circuit design, these circuits turn the
    power off automatically when a fault has bin detected this
    is in order to prevent a more costly repair, these circuits monitor
    power supply , vertical and horizontal deflection
    over voltage, or x ray, and also faults with convergence circuits.
    Diagnosing these faults require test equipment and a good knowledge of
    electronic repair techniques, and also a repair manual.


    This is the speel i provide for any person asking about things they know not match about,,,, have you explored the inside of your television ?, are you able to identify the audio amplifier output IC ? if so, unsolder and remove it, power the TV on and test to verify your unit is powering up again, It is possible your amp IC has given up and shorted or overloaded the power supply causing the protection curcit to activate shutting your system down and protecting your unit from any further damage it is also posible that there is a fault in the power supply delivering power to your amp IC...
    regarding trying to service the unit by yourself, are you prepaird to get your hands dirty ?


  • Fal Mueller
    Fal Mueller May 03, 2010

    if your TV is powering up again , connect your audio device to your TV and enjoy, if not ,,,Brake out the test equipment and contact me again...



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