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Phillips 42PFL3704D/F7

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    #1

    Phillips 42PFL3704D/F7

    Set had no sound and did not change channels. All power supply voltages were good. I got another main digital board . He only used the HDMI inputs that are on the digital board. Audio worked for a short time. The A91H5MJC
    analog i/o board with audio amp was only 35 bucks plus shipping so i bought it. It to only worked for a short time. both speaker wires wer 7.5 ohms. not shorted or any resistance to chasis. Tried freeze mist on audio amp transistors. No joy. I can get a menu OSD with either Main Digital Board.
    Am I fighting two bad boards?
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    #2
    Re: Phillips 42PFL3704D/F7

    Problem. Was I had gotten a bad main digital board that was supposed to have been good. I will not get any more parts from that site any more. Cheaper is is not always best.
    I do have a spare CBJ board now.

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      #3
      Re: Phillips 42PFL3704D/F7

      what is web address so that we also can be care of such sites

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        #4
        Re: Phillips 42PFL3704D/F7

        I had got the main digital board from http://www.tvtechparts.com/
        I waited too long to return the part because my Mom was in the hospital.
        She passed away. Mom and Dad were married 71 years. She was 89

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