Denon AVR-S740H Service Manual

There is no problem with Rx, Tx, and GUI of HDMI as well as IC of SW.
Check that sound is heard from the input termi-
nal of the HDMI 1 - 3.
Check that sound is heard from the input termi-
nal of the FRONT AUX.
Check that sound is heard from the input termi-
nal of the HDMI 4/5.
Use any of Dolby TrueHD/DTSHD MA/PCM 8ch
for the playback audio format.
Check item(2). : Check operation of the HDMI input terminal.
When the HDMI input terminal of this device is connected to the player correctly, is sound heard from
the speaker?
※ When checking, turn the AV amplier on and off after checking the connection terminal with the
player. (To set the same conditions during verication of operation)
Check item(4). : Check operation of the HDMI output terminal.
When the player is connected to the HDMI input terminals
in order, are the images on the player displayed on the TV in
both cases?
HDMI OUT1
HDMI IN1
Check item(3). : Check operation of the HDMI output terminal.
When the "SETUP" button on a remote control is pressed, is
"MENU" displayed on TV which is connected to the HDMI out-
put terminal on the AVR?
Is the "DIG" indicator illuminated on the FLD?
When the "DIG" indicator is illuminated, the digi-
tal audio block is faulty.
If the "DIG" indicator is not illuminated, go to
check item (29).
(HDMI Rx/Tx [MN864788] failure detection proce-
dure)
Go to check item (36)
(HDMI SW [MN864787] failure detection proce-
dure)
Go to check item (44)
(Front HDMI Buffer IC [AD8195] failure detection
procedure)
Go to check item (61)
(Between HDMI Tx [MN864788] &
OSD [ADV7623] failure detection
procedure)
Go to check item (52)
(OSD [ADV7623] failure detection
procedure)
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
85

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