Question about Philips DIRECTV H20 DTV Receiver

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DTV H20-600 The receiver does have the ECO 2.0 sticker on it. I also cannot find the LM317 IC or a TIP42C transistor. Where are they located? Do you have a schematic? I powered up the receiver after it being unplugged a few days. I was able to watch the weather channel in HD for about 35minutes then I got the error 771 searching for signal. Seems like the problems is related to powering the LNB. Thank you for all your help.

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  • rjrusek Nov 11, 2008

    Thank you for your help. I will try to locate the voltage regulator but will most likely contact DTV to get the unit replaced. I just like to fix things myself for the pure education of it.

    Thank you,
    R.


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I do not have an schematic for this receiver. This receiver might not use LM317 or TIP42C but a different voltage regulator, try to locate where the 20 volts line from the power supply and follow it to anywhere near the LNB tuner circuitry. This type of IC is normally mounted on a heatsink.
Lastly if you are a subscriber, give you satellite service porvider a call to get a replacement.

Posted on Nov 10, 2008

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