Denon AVR-A1H User Manual

No sound comes out
No sound comes out of speakers.
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Check the connections for all devices. (v p. 42)
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Insert connection cables all the way in.
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Check that input connectors and output connectors are not reversely connected.
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Check cables for damage.
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Check that speaker cables are properly connected. Check that cable core wires come in contact with the metal part on speaker terminals. (v p. 42)
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Securely tighten the speaker terminals. Check speaker terminals for looseness. (v p. 42)
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Check that a proper input source is selected. (v p. 103)
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Adjust the volume. (v p. 104)
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Cancel the mute mode. (v p. 104)
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Check the digital audio input connector setting. (v p. 216)
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Check the digital audio output setting on the connected device. On some devices, the digital audio output is set to off by default.
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When a headphone is plugged into the PHONES jack on the main unit, sound is not output from the speaker terminal and PRE OUT connector.
No sound comes out when using the DVI-D connection.
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When this unit is connected to a device equipped with a DVI-D connector, no sound is output. Make a separate audio connection.
No sound comes out of a TV that is connected via HDMI.
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Audio signals input to 7.1CH IN connectors on this unit cannot be output to the TV.
Contents
Connections Playback Settings Tips Appendix
301
Front panel Display Rear panel Remote Index

Denon AVR-A1H Specifications

General

Channels	15.4
Power Output	150 W per channel (8 ohms, 20 Hz - 20 kHz, 0.05% THD)
HDMI Inputs	7
HDMI Outputs	3
Dolby Atmos	Yes
DTS:X	Yes
IMAX Enhanced	Yes
Auro-3D	Yes
HEOS Built-in	Yes
Wi-Fi	Yes
Bluetooth	Yes
Weight	70.5 lbs
HDCP Support	HDCP 2.3
HDR Compatibility	HDR10, HDR10+, Dolby Vision, HLG
Wireless Audio	AirPlay 2, Bluetooth, HEOS
Phono Input	Yes
Frequency Response	10 Hz - 100 kHz
Voice Control	Amazon Alexa, Google Assistant, Apple Siri
Inputs	7 HDMI, 1 phono
Outputs	3 HDMI
Supported Audio Formats	MP3, WAV, FLAC, ALAC, DSD
Total Harmonic Distortion	0.05% (20 Hz - 20 kHz)