Denon AVR-S740H Service Manual

6. Normal Firmware Update Method from OTA
Download the latest rmware from our website and update the rmware.
6.1. Network Connection
(1) System Requirements
• Internet Connection by Broadband Circuit
• Modem
• Router
• Ethernet cable (CAT-5 or greater is recommended)
(2) Setting
Modem
Internet
Computer
Computer LAN port / Ethernet connector
Ethernet connector of this Unit
Router
To WAN port
To LAN port
To LAN port
6.2. Check and update the rmware
Check if there is a rmware update available. It is also possible to check approximately how long the
update will take.
(1) Press the "
SETUP
" button on the remote control to display the GUI menu.
(2) Press the cursor button to select "General" → "Firmware" → "Check for Update".
(3) Check update
• If the rmware version is anything other than the latest version, select "Update Now" to update the
rmware.
• " No update required. Latest version installed. "is displayed when the rmware version is up to
date.
(4) OTA Update starts automatically.
The Standby LED lights red.
Display during OTA update
Please wait–––––
↓
Update–––**% **m
↓
Update Completed
It takes a maximum of approximately 25 minutes for update to complete.
(5) The unit restarts when update is complete.
(6) After updating the rmware, check the version.
See "1. Version Display Mode"
---Cautions on Firmware Update---
• For the update procedure, a proper broadband Internet connection environment and settings are
required.
• Do not turn off the power until updating is completed.
• It takes a maximum of approximately 25 minutes for update to complete.
Once an update is started, normal operations cannot be performed until it is completed.
The GUI menu settings and image adjustment settings of this unit may be initialized.
Note down the settings before updating, and set them again after updating.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
153

Denon AVR-S740H Specifications

General

Channels	7.2
Power Output per Channel	75 W (8 Ohms, 20 Hz - 20 kHz, 0.08% THD)
HDMI Inputs	6
HDMI Outputs	1
Dolby Atmos	Yes
DTS:X	Yes
Bluetooth	Yes
Wi-Fi	Yes
HEOS Multi-room	Yes
4K Ultra HD Pass-through	Yes
Power Output per Channel (6 Ohms)	110 W (6 Ohms, 1 kHz, 0.7% THD)
4K/Ultra HD Upscaling	Yes
Phono Input	Yes
Dolby Support	Dolby Atmos, Dolby TrueHD, Dolby Surround
Auto Calibration	Audyssey MultEQ
Input Sensitivity/Impedance	200 mV / 47 kOhms
Signal-to-Noise Ratio	98 dB (IHF-A weighted, Direct mode)
Ethernet	Yes
USB Port	Yes (front)
AM/FM Tuner	Yes
Supported Audio Formats	MP3, WMA, AAC, FLAC, ALAC, WAV, DSD
HDR Support	HDR10, HLG, Dolby Vision
Wireless Audio	AirPlay 2
DTS Support	DTS:X, DTS-HD Master Audio
Zone Audio	Zone 2
Frequency Response	10 Hz - 100 kHz (+1, -3 dB, Direct Mode)
Total Harmonic Distortion	0.08% (20 Hz - 20 kHz)
Built-in DAC	192 kHz / 24-bit