Denon AVR-X2500H Service Manual

Check item(74). Check the TMDS CLK detection status of the regis-
ter.
Send the following command from Termite.exe.
Send the command "i 00E2 0004 0001".
When the following value is returned, go to Yes.
"02"
When the following value is returned, go to No.
"other"
Check item (75). Checking the TMDS input. :
Check the TMDS waveform at the following test point.
Is the waveform like the sample?
U1026
D2+ D2- D1+ D1- D0+ D0- CK+ CK-
Checking the TMDS status register (HDMI SW -> GUI)
Example
GUI [U1026] is faulty.
Replace with a new device.
HDMI SW(U1103) is faulty.
Replace with a new device.
GUI [U1026] is faulty.
Replace with a new device.
3-14. HDMI SW IC [TMDS261B] failure detection procedure
NO
TMDS Signal
3.3V
Example of waveform in check ①
Voltage scale：1.0V/div
Time scale：20ms/div
TMDS
Example of waveform in check ②
Voltage scale：1.0V/div
Time scale：1s/div
YES
YES NO
Recheck from check item (5).
If it does not work, replace the PCB.
Recheck from check item (5).
If it does not work, replace the PCB.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
124

Denon AVR-X2500H Specifications

General

HDMI in	8
Composite video in	2
Ethernet LAN (RJ-45) ports	1
AirPlay	No
Display	-
Sample rate	196 kHz
HDCP version	2.2
Product color	Black
Audio decoders	DSD, DTS-HD, DTS:X, Dolby Atmos, Dolby Surround, Dolby TrueHD
Volume control	Rotary
RS-232 interface	Yes
Connectivity technology	Wired & Wireless
Receiver type	Surround
Frequency range	20 - 20000 Hz
Output impedance	8 Ω
Input sensitivity	200 mV
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	100 dB
Total Harmonic Distortion (THD)	0.08 %
Power output per channel (1KHz@6 Ohm)	185 W
Power output per channel (20-20KHz@8 Ohm)	95 W
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	500 W
Audio formats supported	AAC, ALAC, DSD, FLAC, MP3, WAV, WMA
AM band range	520 - 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, TuneIn, iHeartRadio
Supported graphics resolutions	3840 x 2160

Weight and Dimensions

Depth	340.3 mm
Width	434.3 mm
Height	167.6 mm
Weight	9389 g