no-sound Troubleshooting

No sound on the Optoma UHD38

Source: YouTube — repair & troubleshooting videos Confidence: 60% Verified Aug 9, 2026

The soundbar powers on but produces no audio, often from a wrong input, a loose HDMI connection or a muted source.

How to fix No sound

Check the volume

Ensure the volume is not muted.

Source: YouTube — repair & troubleshooting videos Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 2 min

Check the audio output

Ensure the correct audio output is selected.

Source: YouTube — repair & troubleshooting videos Confidence: 60% Verified Aug 9, 2026

Difficulty: ★ Est. 3 min

Replacement parts for the Optoma UHD38

Optoma UHD38 Power Supply Optoma UHD38 Replacement Lens Optoma UHD38 Replacement Lamp Optoma UHD38 Air Filter Optoma UHD38 Remote Control Optoma UHD38 HDMI Cable Optoma UHD38 Ceiling Mount

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