Troubleshooting; Repair Information; Led Status; Special Mode - Denon HEOS AVR Service Manual

TROUBLE SHOOTING
1. The power cannot be turned on
2. No audio output from this unit
(Streaming/mobile Audio playback)
3. No audio output
(HDMI OUT (ARC))
4. No audio output
(HDMI IN)
5. No audio output
(OPT)
6. No audio output
(COAX)
7. No audio output
(LINE IN)
8. No audio output *Only Analog Direct Mode
(LINE IN)
9. No audio output
(AUX IN)
10. No sound from another HEOS speaker
11. No sound from another HEOS speaker
12. No sound from another HEOS speaker
13. No sound from another HEOS speaker
14. Cannot connect to the network by wired LAN
15. Cannot connect to the network by wireless LAN
16. USB flash drive not recognized

REPAIR INFORMATION

(Select LINE IN input on HEOS AVR)
(Select AUX IN input on HEOS AVR)
(Select OPT input on HEOS AVR)
(Select COAX input on HEOS AVR)

LED STATUS

1. Updating
2. Updating (Service region settings)
3. Updating (Service Release Type)
4. On startup of HEOS (when power is turned on)
5. Factory Reset
6. Software Reset (Clear user settings)
7. Critical Error
8. When connecting to network (Setup Assistant)
9. Bluetooth
10. Standby
11. Volume button and Mute button
12. Submit Diagnostics

SPECIAL MODE

1. Service region settings update procedures
2. Service Release Type settings update procedures
3. How to check the firmware version, service region settings and service release
type
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