Denon AVR-S900W Service Manual

Connect the connectors correctly.
Repair the HDMI PCB.
NO
YES
4.3. Analog audio
No audio output.
Is a voltage of ±7V supplied to INPUT
PCB CN4006?
Is there an audio signal in INPUT
PCB CN401?
Is electron volume serial data being
sent to INPUT PCB CN4200?
Once more, connect the connectors correctly.
If the malfunctioning channel and function can be identied, check the corresponding
signal path.
Repair the ±7V power supply.
Repair the power amplier.
Is the connector correctly connected
with HDMI PCB?
YES
NO
YES
NO
YES
NO
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Denon AVR-S900W Specifications

General

Channels	7.2
HDMI Inputs	8
HDMI Outputs	2
Wi-Fi	Yes
Bluetooth	Yes
4K Ultra HD Pass-through	Yes
Dolby Atmos	Yes
DTS:X	No
HDMI Pass-Through	Yes
Input Impedance	47 kOhm
Input Sensitivity	200 mV
THD at rated output	0.08%
Signal-To-Noise Ratio	98 dB
DAC Resolution	24-bit / 192kHz
HDMI Switching	Yes
AirPlay	Yes
DLNA	Yes
Dimensions	17.1 x 6.6 x 13.3 inches
Power Output	90 W
Response Bandwidth	10Hz-100kHz
Output Impedance / Channel	6 Ohm
Inputs	HDMI
Outputs	HDMI
Supported Audio Formats	MP3, WMA, AAC, FLAC, WAV
Supported Video Formats	4K
Output Power / Channel	90W (8 ohms, 20Hz-20kHz, 0.08% THD)