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Denon AVR-X4300H Service Manual

Denon AVR-X4300H
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When the results of check item (13) are "NO"
(Detection of 5V is not OK)
When the results of check item (14) are "00 or 04"
(Detection of DDC is not OK.)
Check item(15). Check the +5V voltage.
Does the test point near HDMI input terminal (JK391/JK392/JK393) indicate 5V?
JK391JK392JK393
5V5V
5V
Check item(16). Check the DDC line :
Are waveforms of "DDCSCK" and "DDCSDA" observed at the test point near the HDMI input
terminal(JK391/JK392/JK393)?
JK391JK392JK393
DDCSCK
DDCSDA
Check the +5V voltage. (HDMI IN5 - 7) Check the DDC line. (HDMI IN5 - 7)
HDMI Switcher1 (IC391) is faulty.
Replace with a new device.
Recheck from check item (3).
If it does not work, replace the PCB.
HDMI Switcher1 (IC391) is faulty.
Replace with a new device.
Check for a short circuit in the 5 V line and the 5
V Switch IC (IC392).
If there is no problem, the HDMI Switcher1 (IC391)
or the 5 V Switch IC (IC392) is faulty
Replace with a new device.
Check for a short circuit in the DDC line.
If there is no problem, the HDMI Switcher1 (IC391)
is faulty.
Replace with a new device.
Recheck from check item (3).
If it does not work, replace the PCB.
YES NO
YES NO
less than 100KHz
5V
5V
This diagram shows an example of the DDC commu-
nication waveform.
-The high level voltage is 5V.
-The frequency of the DDC CLK is 100 KHz or less.
Check at each test point.
100
Caution in
servicing
Electrical Mechanical Repair Information Updating

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Denon AVR-X4300H Specifications

General IconGeneral
Display-
Product colorBlack
Audio decodersDTS Neo:X, DTS-HD Master Audio, Dolby Pro Logic IIz, Dolby Surround, Dolby TrueHD
Audio amplifierYes
Connector contacts platingGold
Apple docking compatibilityNot supported
Receiver typeSurround
Audio output channels11.2 channels
Power output per channel (1KHz@6 Ohm)235 W
Power output per channel (20-20KHz@8 Ohm)125 W
Audio formats supportedAAC, ALAC, DSD, FLAC, MP3, WAV, WMA
AM band range520 - 1710 kHz
FM band range87.5 - 107.9 MHz
Supported radio bandsAM, FM
Internet radio services supportedNapster, Pandora, SIRIUS Internet Radio, Spotify, TuneIn
HDMI in8
Remote (IR) input1
Composite video in4
Digital audio coaxial in2
Headphone connectivity3.5 mm
Number of HDMI outputs3
Multichannel audio output typeRCA
Supported video modes1080p, 2160p
Connectivity technologyWired & Wireless
Speakers connectivity type3.5mm
Power consumption (standby)0.1 W
Power consumption (typical)710 W
Card reader integratedNo
Weight and Dimensions IconWeight and Dimensions
Depth339 mm
Width434 mm
Height236 mm
Weight13500 g

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