Denon AVR-X2400H Service Manual

YES
YES
YES
Check the I2C communication line. (HDMI Tx)
Check item(9). Check the I2C communication line :
Check the CPU.
Is the "I2C" waveform of the TP near the HDMI Tx [U1039]
correct (like the one shown in the diagram) when the power is
turned on?
U1039
HSDA
HSCL
HDMI Rx1 [U1000] is
faulty.
Replace with a new
device.
HDMI Rx2 [U1003] is
faulty.
Replace with a new
device.
HDMI Tx [U1039] is
faulty.
Replace with a new
device.
The CPU [U1018] is
faulty.
Replace with a new
device.
HDMI Tx [U1039] is faulty.
Replace with a new device.
Recheck from check item (1).
If it does not work, replace the PCB.
Check item(10). Check the I2C com-
munication line :
Check HDMI Rx [U1000 or U1003],
HDMI Tx [U1039] and CPU [U1018]
patterns as well as soldering.
If there is no problem, go to the next
step.
Check the HDMI Rx2.
Remove the damping resistor
[R1169/R1170] of [U1003].
Is the "I2C" waveform correct?
Recheck from check item (1).
If it does not work, replace the PCB.
Check the HDMI Tx.
Remove the damping resistor
[R1882/R1883] of [U1039].
Is the "I2C" waveform correct?
Check the HDMI Rx1.
Remove the damping resistor
[R1061/R1062] of [U1000].
Is the "I2C" waveform correct?
NO
NO NO
YES YES YES NO
*The diagram shows an example.
(Signal patterns vary depending on
the timing.)
Points for checking waveforms
- Crest value (3.3 V normally)
- Signal change
- SCL frequency (400 kHz normally )
Voltage scale：1.0V/div
Time scale：10us/div
91
Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-X2400H Specifications

General

Receiver type	Surround
Frequency range	20 - 20000 Hz
Pre-out channels	2 SW
Input sensitivity	200 mV
Pre-out connectivity	Yes
Audio output channels	7.2 channels
Signal-to-Noise Ratio (SNR)	100 dB
Total Harmonic Distortion (THD)	0.08 %
Power output per channel (1KHz@6 Ohm)	150 W
Power output per channel (20-20KHz@8 Ohm)	95 W
Display	VFL
HDCP version	2.2
Apple docking	No
Product color	Black
Audio decoders	DTS-HD Master Audio, DTS:X, Dolby Atmos, Dolby Surround
Volume control	Rotary
Center speaker impedance	16 Ω
Supported video modes	720i, 720p, 960p, 1080i, 1080p, 2160p
Supported graphics resolutions	3840 x 2160
HDMI in	8
Audio (L/R) in	4
Digital audio coaxial in	0
Ethernet LAN (RJ-45) ports	1
Multichannel audio input type	RCA
Component video (YPbPr/YCbCr) in	2
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Internet radio services supported	Deezer, Napster, Pandora, SIRIUS Internet Radio, Spotify, Tidal, iHeartRadio
Audio formats supported	ALAC, DSD, FLAC, MP3, WAV
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	500 W
Headphone connectivity	3.5 mm
Connectivity technology	Wired & Wireless
Speakers connectivity type	3.5mm
Certification	CE, EAC

Weight and Dimensions

Depth	339 mm
Width	434 mm
Height	167 mm
Weight	9400 g