Denon AVR-X4300H Service Manual

Check communication between CPU and the HDMI Switcher1 device.
When the results of check item (7) are "the communication results are not OK"
Checking device. (HDMI Switcher1)
Check the power supply voltage. (HDMI Switcher1)
Check item (7). Check communication between CPU and the HDMI
Switcher1 device. :
Check by reading device ID and revision of each device.
Check communication between HDMI Switcher1 (IC391) and CPU
(IC151) .
Send the following command from Termite.exe.
Send the command "i 0028 0000 0001".
Is the return value "01" ?
If the communication results are not OK
If the communication results are OK
Example :
If it is normal, "01" is returned.
i 0028 0000 0001
01
Go to check item (13)
Go to check item (8)
Checking device. (HDMI Switcher1)
3-2 Switcher1 failure detection procedure
YES
Go to next page.
Check item(8). Check the power supply voltage. :
Does the power supply voltage of the HDMI Switcher1 (IC391) indicate the correct voltage (1.1V, 3.3V)?
The test points are as follows.
IC391
IC391
112 pin
38 pin
1.1V
3.3V
Check item(9). Check the power supply voltage. :
Check the power components (IC113/IC119) and the pattern on the
substrate.
If there is no problem, remove the HDMI Switcher1 (IC391) from the
substrate and measure the voltage at the test point of check item (8).
Is the voltage correct (1.1 V or 3.3 V)?
HDMI Switcher1(IC391) device
is failure.
Replace with a new device.
The power supply circuit is
faulty.
Replace the PCB.
Recheck from check item (3).
If it does not work, replace the PCB.
NO
NOYES
97
Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-X4300H Specifications

General

Display	-
Product color	Black
Audio decoders	DTS Neo:X, DTS-HD Master Audio, Dolby Pro Logic IIz, Dolby Surround, Dolby TrueHD
Audio amplifier	Yes
Connector contacts plating	Gold
Apple docking compatibility	Not supported
Receiver type	Surround
Audio output channels	11.2 channels
Power output per channel (1KHz@6 Ohm)	235 W
Power output per channel (20-20KHz@8 Ohm)	125 W
Audio formats supported	AAC, ALAC, DSD, FLAC, MP3, WAV, WMA
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Internet radio services supported	Napster, Pandora, SIRIUS Internet Radio, Spotify, TuneIn
HDMI in	8
Remote (IR) input	1
Composite video in	4
Digital audio coaxial in	2
Headphone connectivity	3.5 mm
Number of HDMI outputs	3
Multichannel audio output type	RCA
Supported video modes	1080p, 2160p
Connectivity technology	Wired & Wireless
Speakers connectivity type	3.5mm
Power consumption (standby)	0.1 W
Power consumption (typical)	710 W
Card reader integrated	No

Weight and Dimensions

Depth	339 mm
Width	434 mm
Height	236 mm
Weight	13500 g