Denon AVR-X6400H Service Manual

3-17. HDMI DDC Buffer (ISL33003) failure detection procedure
Checking operation between the HDMI (HDMI DDC Buffer) and the player
b
In order to check, connect the player to the HDMI terminal and congure the player as AVR source.
Check the sound output while turning on the player.
Check item(88). Checking the 5V status register :
Send the following command from Termite.exe.
Send the command "i 0006 00FF 0001".
Check the value.
Move to the branch destination according to the value returned.
Checking the +5V/DDC status register (HDMI DDC Buffer)
Example
i 0006 00FF 0001
F8
"78 or 70"
(Detection of 5V is not OK.)
"00 or 04"
(Detection of DDC is not OK.)
"F8 or F0"
(Detection of 5V is OK)
"22"
(Detection of DDC is OK)
Go to check item (90)
Go to check item (91)
Go to check item (92)
Check item(88). Checking the status register :
Send the following command from Termite.exe.
Send the command "i 0003 00B4 0001".
Check the value.
Move to the branch destination according to the value returned.
Example
i 0003 00B4 0001
22
135
Caution in
servicing
Electrical Mechanical Repair Information Updating

Denon AVR-X6400H Specifications

General

Receiver type	Surround
Frequency range	10 - 100000 Hz
Pre-out channels	11.2
Input sensitivity	200 mV
Pre-out connectivity	Yes
Audio output channels	11.2 channels
Signal-to-Noise Ratio (SNR)	100 dB
Power output per channel (1KHz@6 Ohm)	205 W
Power output per channel (20-20KHz@8 Ohm)	140 W
Display	-
HDCP version	2.2
Apple docking	No
Product color	Silver
Audio decoders	DTS:X, Dolby Atmos
Audio formats supported	ALAC, DSD, FLAC, WAV
RS-232 ports	1
Connectivity technology	Wireless
AM band range	522 - 1611 kHz
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM
Internet radio services supported	Deezer, Napster, Spotify, Tidal, TuneIn
HDMI in	8
Composite video in	4
Component video (YPbPr/YCbCr) in	2
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	750 W
Number of HDMI outputs	3

Weight and Dimensions

Depth	393 mm
Width	434 mm
Height	167 mm
Weight	14500 g