Question about Philips DIRECTV H20 DTV Receiver
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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Posted on Jan 02, 2017
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