NO SOUND TROUBLESHOOTING
Crescendo Me – No Sound From Headphones?
Follow these steps to restore TV sound on your Crescendo Me (HT7100).
Before You Start: Turn on the transmitter and headphones. Play a TV video with sound.
Step 1 – Check the TV Connection
- Connect the TV's audio OUT to the transmitter's INPUT.
- Use only one cable: Optical, HDMI ARC, or AUX (3.5 mm).
- Set the transmitter's SELECT INPUT switch to match your cable.
Step 2 – Check TV Audio Settings
Open your connection type:
Optical Cable
- TV Optical OUT → Transmitter OPT IN.
- TV Sound Output: Optical.
- Digital Audio Format: PCM / Stereo.
- Transmitter input: OPT.
HDMI ARC
- TV HDMI ARC/eARC → Transmitter HDMI ARC.
- TV Sound Output: HDMI ARC.
- Digital Audio Format: PCM / Stereo.
- Turn eARC OFF.
- Transmitter input: HDMI ARC.
AUX / 3.5 mm
- TV Headphone OUT → Transmitter AUX IN.
- TV Sound Output: Headphones Out.
- Increase TV volume.
- Transmitter input: AUX.
Step 3 – Check the Audio Signal Light
Solid White – TV audio detected.
Flashing White – No TV audio detected.
If flashing white:
- Check the cable and SELECT INPUT switch.
- For Optical/HDMI ARC, select PCM on the TV.
- For AUX, select Headphones Out and raise TV volume.
Step 4 – Check the Headphone Connection
- Set the headphone switch to TV/BASE, not Bluetooth.
- Keep the headphones near the transmitter.
- Wait for the headphone LED to turn solid blue.
Solid Blue – Connected.
Not connected? Follow the headphone pairing guide.
Connect / Add Headphones →Step 5 – Check the Volume
- Increase headphone volume.
- Make sure the TV program is not muted.
- Try another channel or video.
No Sound on Certain Apps or Cable Box?
Play the affected content and set the TV or source device's audio format to PCM / Stereo.
Cable Box Audio Settings →Still No Sound? Restart
- Turn off the transmitter and headphones.
- Reconnect the TV audio cable.
- Turn on the transmitter, then the headphones in TV/BASE mode.
- Test again.
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