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kara41Jul 26, 2025
What to do if there is no sound from Harman Kardon HK 3770 Stereo Receiver?
- DDr. Ryan GarrettJul 26, 2025
If your Harman Kardon Stereo Receiver isn't producing any sound, ensure that all input and speaker connections are securely connected. Check if the Mute button is activated. Increase the volume. Select the correct source. Activate Speaker 1 or Speaker 2. Finally, ensure headphones are unplugged.