Denon AVR-S740H Service Manual

When the results of check item (54) are "01"
(Detection of HPD is OK / Detection of RXSENSE is not OK )
When the results of check item (54) are "02"
(Detection of HPD is not OK / Detection of RXSENSE is OK )
Check item(58). Checking the RXSENSE :
Does the test point of RXSENSE close to the HDMI output terminal
[JK751] indicate the 3.3 V?
JK751
HDMI OUT
[MONITOR]
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
Check item(59). Checking the HPD :
Does the voltage of HPD test point close to the HDMI output terminal
[JK751] indicate "Hi" (3-5 V)?
JK751
HDMI OUT
[MONITOR]
HPD
Check the RXSENSE. (Monitor) Check the HPD. (Monitor)
HDMI Rx/Tx [IC721] is faulty.
Replace with a new device.
HDMI Rx/Tx [IC721] is faulty.
Replace with a new device.
Recheck from check item (3).
If it does not work, replace the PCB.
Recheck from check item (3).
If it does not work, replace the PCB.
Check for a short circuit in the TMDS line.
If there is no problem, the HDMI Rx/Tx [IC721] is faulty.
Replace with a new device.
Check for a short circuit in the HPD line.
If there is no problem, the HDMI Rx/Tx [IC721] is faulty.
Replace with a new device.
NO NOYES YES
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
108

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