Denon AVR-X8500H 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(80). 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 (82)
Go to check item (83)
Go to check item (84)
Check item(81). 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
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
131

Denon AVR-X8500H Specifications

General

Channels	13.2
Power Output	150W per channel (8 ohms, 20Hz-20kHz, 0.05% THD)
Frequency Response	10Hz-100kHz (+1, -3dB)
HDMI Inputs	8 (1 front)
HDMI Outputs	3
Dolby Atmos	Yes
DTS:X	Yes
IMAX Enhanced	Yes
HEOS Multi-room	Yes
Wi-Fi	Yes
Bluetooth	Yes
Voice Control	Amazon Alexa, Google Assistant, Apple Siri
Impedance	4-16 ohms
HDR Compatibility	HDR10, Dolby Vision, HLG
Audio Return Channel (ARC)	Yes
Digital Audio Inputs	2 Optical, 2 Coaxial
Analog Audio Inputs	6
Phono Input	Yes
Speaker Connectors	Binding Posts
Supported Audio Formats	MP3, WMA, AAC, FLAC, ALAC, WAV, DSD
Surround Sound Support	Dolby Atmos, DTS:X, Auro-3D
Tuner	AM/FM
Input Sensitivity/Impedance	200 mV / 47 kohms
HDCP Support	2.2
Other Connections	USB, Ethernet, RS-232C
Wireless Connectivity	Wi-Fi, Bluetooth
Signal-to-Noise Ratio	102 dB
DAC	AKM AK4490EQ (32-bit/192kHz)
Total Harmonic Distortion	0.05% (20Hz - 20kHz, 150W)