HF2039 No Sound / Not Working / Static Noise

HF2039 – No Sound, Not Working, or Static Noise?

If you hear no sound or static noise, follow these steps in order.

Step 1 – Check the Power

1. Make sure the HF2039 is connected to a USB power source.
2. Check that its LED light is ON.
3. If the LED is OFF, try another USB power source.

Step 2 – Check the Audio Cables

1. Make sure the cable is connected to your TV's Audio OUT port, not Audio IN.
2. Unplug and reconnect the cable firmly at both ends.
3. Make sure your headphones or speakers are connected to the HF2039.

Step 3 – Check Your TV Audio Settings

If using an Optical cable:

1. Open your TV's Settings → Sound → Sound Output.
2. Select Optical, External Speaker, or Audio Out.
3. Set Digital Audio Format to PCM or LPCM.

Step 4 – Fix Static or Distorted Sound

1. If using Optical, confirm your TV is set to PCM, not Dolby or DTS.
2. Unplug and reconnect the audio cable.
3. Try another compatible cable if available.
4. Restart your TV and HF2039, then test again.

Still Not Working?

Watch the HF2039 Tutorial Video for help with your setup.

Something Doesn't Look Right?

If your HF2039 still has no sound or static noise, contact Avantree Support for help.