Denon AVR-X4300H Service Manual

When the results of check item (31) are "22 or 11"
(Detection of DDC is OK.)
Check item(34). Checking register of the TMDS CLK detection status
register :
Send the following command from Termite.exe.
Send the command "i 0056 00FF 0001".
When the following value is returned, go to Yes.
HDMI IN1 "88", HDMI IN2 "44", HDMI IN3 "22", HDMI IN4 "11"
When the following value is returned, go to No.
HDMI IN1 "80", HDMI IN2 "40", HDMI IN3 "20", HDMI IN4 "10"
Check item (35). Checking the TMDS input waveform. :
Check the TMDS waveform at the following test point.
Is the waveform like the sample?
HDMI IN1
42/43/45/46/48/49/51/52 pin
HDMI IN2
55/56/58/59/61/62/64/65 pin
HDMI IN3
80/81/83/84/86/87/89/90 pin
HDMI IN4
93/94/96/97/99/100/ 102/103 pin
IC381
Checking the TMDS status register (HDMI Switcher2)
Example
i 0056 00FF 0001
Check for a short circuit in the pattern of the
TMDS line of the HDMI Switcher2 (IC381) from
the HDMI input terminal.
If there is no problem, the HDMI Switcher2 (IC381)
is faulty.
Replace with a new device.
HDMI Switcher2 (IC381) is faulty.
Replace with a new device.
Recheck from check item (4).
If it does not work, replace the PCB.
YES
NO
NO
NOYES
YES
Check item(36). Check the TMDS CLK detection status of the register.
Send the following command from Termite.exe.
Send the command "i 002E 00FF 0001".
Is the return value "88" ?
Checking the TMDS status register (HDMI Switcher2 -> HDMI Switcher1)
Check item (37). Checking the TMDS input waveform. :
Check the TMDS waveform at the following test point.
Is the waveform like the sample?
42/43/45/46/48/49/51/52 pin
IC391
IC391
HDMI Switcher1 (IC391) is faulty.
Replace with a new device.
TMDS Signal
3.3V
Example of waveform in check ①
TMDS
Example of waveform in check ②
Recheck from check item (4).
If it does not work, replace the PCB.
Check for a short circuit in the TMDS line.
If there is no problem, the HDMI Switcher2 (IC381) is faulty.
Replace with a new device.
NO
Example :
If it is normal, "88" is returned.
i 002E 00FF 0001
88
YES
TMDS Signal
3.3V
Example of waveform in check ①
TMDS
Example of waveform in check ②
109
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