Denon AVR-S730H, Service Manual

Page: 69 / 148

4. AUDIO
4.1. AUDIO CHECK
No audio output
Check the ANALOG AUDIO BLOCK
Check the DIGITAL AUDIO BLOCK
Check the ADC BLOCK
Check the HDMI BLOCK
Check for other causes
Check the HDMI BLOCK
See " Service Path Check Mode "
Check the DIGITAL AUDIO BLOCK
CHECK 1 INPUT SURROUND MODE SOURCE
Audio output OK? ANALOG 2CH DIRECT ANALOG
CHECK 2 INPUT SURROUND MODE SOURCE
Audio output OK? COAX or OPT -
Legacy
(PCM or DolbyDigital or dts…)
CHECK 4 INPUT SURROUND MODE SOURCE
Audio output OK? HDMI -
Legacy
(PCM2ch or DolbyDigital or dts…)
CHECK 6 INPUT Connect
AVR's (connected in HDMI) audio out-
put OK?
HDMI This unit's HDMI OUT → Other AVR's HDMI IN
Setting SURROUND MODE SOURCE
CEC STANDBY - HBR audio(DolbyTrueHD or dtsHD MA)
CHECK 5 INPUT SURROUND MODE SOURCE
Audio output OK? HDMI -
HBR audio
(DolbyTrueHD or dtsHD MA)
CHECK 3 INPUT SURROUND MODE SOURCE
Audio output OK? ANALOG 2CH MULTICH STEREO ANALOG
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO YES
NO YES (DIGITAL AUDIO BLOCK is OK)
69
Caution in
servicing
Electrical
Mechanical
Repair Information
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