Question about Philips Magnavox 9P6034C 60" Rear Projection Television
firstly, check your audio wire to make sure its still good because the audio wire might be defective.
Secondly, check the volume of the "direct TV" and makes sure its not on mute.
Also, to be sure the audio input of your TV is still functioning, connect a DVD player to your TV with another audio wire, and observe if there will be sound.
Posted on Jul 20, 2010
First check that any muting control is not activated. This might be a button on the remote or set itself. If you have a headphone jack, it may have dirty contacts as plugging in a headphone usually mutes the speaker.If the set is mono or only one channel of a stereo set is out, then check for bad connections to the loudspeaker. Test the loudspeaker by disconnecting one of the wires (with the power off!) and measuring its resistance with an ohmmeter (it should be less than 100 ohms - probably less than 8 ohms). Or momentarily touch a 1.5 volt battery to the speaker terminals - you should get a click or pop from the speaker.
Next, trace back from the speaker output terminals to the circuit board and look for bad solder connections or a loose or dirty connector.
If these tests do not reveal anything, you probably need a scope (or audio signal tracer) and schematic. Or at least the part number off of the chip. Is the final amp a chip also or just a transistor? Have you tested the transistor? If there is little or no buzz from the speaker, that would indicate a problem fairly near the output. If the tuner/if were bad, I would expect some noise/humm pickup from the low level audio stages. Get the part number off of the chip. If it is in a socket, check the contacts for corrosion or looseness.
Hope this helpout...
Posted on Jul 20, 2010
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Posted on Jan 02, 2017
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