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LGRZ17LZ40 television low audio problem. despite increasing volume up to maximum the audio is really quiet I have checked the speakers and they are ok, any ideas welcome, thanks Arthur

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Check the voltage supply rails to the audio output, usually between 14 and 30 volts. if low replace respective rail capacitor for being open circuit. also check the fusible resistor for high value.
ive also had later model lg sets with a crook audio detector ic crook, the one marked micronas.

Posted on Jul 09, 2008


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Solution Follow this procedure to troubleshoot when there is no sound or low volume coming from the television.

NOTE: Because each of these steps represents a possible solution to this issue, check the television status after completing each step.
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If the TV has a Simulated effect in the audio menu, turn it off . Ensure the televisions speakers are not set as the center speaker.
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Verify that the speakers are set to ON in the television menu.
IMPORTANT: If the television has audio output jacks and they are connected to a stereo system, then the speakers on the television may be turned off. Some televisions require the internal speakers or the center speaker setting to be off before audio can be sent out to a stereo receiver via the audio out jacks.
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Test the television using another source like a VCR, DVD player or Blu-ray Disc™ (BD) player.
Reset the television to the original factory settings. To reset your TV to factory settings, turn the TV ON. Then, while pressing the UP ARROW button on the Remote Control, press the POWER button on the TV. The TV will turn itself OFF then back ON.
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1 Answer

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