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Denon AVR-S950H Series - User Manual

Denon AVR-S950H Series
174 pages
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Service Manual
INTEGRATED NETWORK AV RECEIVER
AVR-X2600H
AVR-S950H
Click here!
On-line service parts list
AVR-X2600H: http://dmedia.dmglobal.com/Document/DocumentDetails/25665
AVR-S950H: http://dmedia.dmglobal.com/Document/DocumentDetails/25666
ONLINE PARTS LIST (P5)
WEB owner’s manual
NA: http://manuals.denon.com/AVRX2600H/NA/EN/index.php
EU: http://manuals.denon.com/AVRX2600H/EU/EN/index.php
AP: http://manuals.denon.com/AVRX2600H/AP/ZH/index.php
JP: http://manuals.denon.com/AVRX2600H/JP/JA/index.php
NA: http://manuals.denon.com/AVRS950H/NA/EN/index.php
EU: http://manuals.denon.com/AVRS950H/EU/EN/index.php
Upload is planned for the time of a future press release.
BEFORE SERVICING THIS UNIT
ELECTRICAL
MECHANICAL
REPAIR INFORMATION
UPDATING
Ver. 1
Condential
•Forpurposesofimprovement,specicationsanddesignaresubjecttochangewithoutnotice.
Please use this service manual whenreferringtotheoperatinginstructionswithoutfail.
Some illustrations usedinthisservicemanualareslightlydifferentfromtheactualproduct.

Table of Contents

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Denon AVR-S950H Series Specifications

General IconGeneral
Channels7.2
HDMI Version2.1
eARCYes
Wireless ConnectivityWi-Fi, Bluetooth
Multi-Room AudioHEOS
Voice ControlAmazon Alexa, Google Assistant, Apple Siri
HDCP SupportHDCP 2.3
HDR SupportHDR10, Dolby Vision, HLG
Audio Formats SupportedDolby Atmos, DTS:X, Dolby TrueHD, DTS-HD Master Audio
Phono InputYes
Frequency Response10Hz-100kHz
Total Harmonic Distortion0.08%
Input Sensitivity/Impedance200 mV / 47 kohms
Signal-to-Noise Ratio98dB
Ethernet PortYes
Supported Video Formats4K/60Hz
Power Output (8 ohms)90 W (8 ohms, 20 Hz - 20 kHz, 0.08% 2ch Drive)
Power Output (6 ohms)125 W (6 ohms, 1 kHz, 0.7% 2ch Drive)

Summary

BEFORE SERVICING THIS UNIT

On-line service parts list

Provides links to online service parts lists for AVR-X2600H and AVR-S950H models.

WEB owner’s manual

Lists URLs for web owner's manuals for different regions and models.

SAFETY PRECAUTIONS

Lists essential safety precautions to be checked before servicing the unit.

NOTE FOR SCHEMATIC DIAGRAM

Important notices regarding schematic diagrams and notation conventions used.

HANDLING THE SEMICONDUCTOR AND OPTICS

Guidelines for safely handling semiconductors and optical components to prevent electrostatic discharge.

ONLINE PARTS LIST

Instructions on accessing and searching the online parts list and notes on parts.

SERIAL NUMBER

Explains the 14-digit serial number structure and SKU codes for the unit.

POST-SERVICE PRECAUTIONS

Procedures for initializing the unit after servicing, including network settings.

ELECTRICAL

SCHEMATIC DIAGRAMS

Lists all available schematic diagrams, categorized by component.

PRINTED CIRCUIT BOARDS

Shows component layouts for DIGITAL, F HDMI, INPUT, VIDEO, and FRONT CNT PCBs.

LEVEL DIAGRAM

Provides level diagrams for FRONT, CENTER, SURROUND, SUBWOOFER, and ZONE2 channels.

BLOCK DIAGRAM

Presents block diagrams for ANALOG AUDIO, DIGITAL AUDIO, and VIDEO systems.

POWER DIAGRAM

Illustrates the power supply unit (PSU) VCC diagram and voltage distribution.

WIRING DIAGRAM

Shows the overall wiring connections between different PCBs and modules.

SEMICONDUCTORS

Lists major semiconductors with pin functions, descriptions, and circuit details.

MECHANICAL

DISASSEMBLY

Provides a flowchart and instructions for disassembling the unit into major assemblies.

EXPLODED VIEW

Detailed exploded views of the unit with parts lists and identification of critical parts.

PACKAGING VIEW

Illustrates the standard packaging style and components included in the box.

REPAIR INFORMATION

TROUBLE SHOOTING

Guides for diagnosing and resolving common operational issues like power, video, and audio problems.

HDMI Rx;Tx Failure Detection

Step-by-step procedure for diagnosing HDMI reception and transmission failures.

SPECIAL MODE

Explains various special modes for diagnostics, settings, and firmware updates accessible via button combinations.

DIAGNOSTIC MODE

Details on entering and using diagnostic modes like Service Path Check and Video/Audio confirmation.

JIG FOR SERVICING

Lists required jigs and tools for servicing, along with connection and removal procedures.

ADJUSTMENT

Procedures for adjusting idling current and other critical parameters after component replacement.

UPDATING

FIRMWARE UPDATE PROCEDURE

Comprehensive guide on updating firmware via USB or OTA, including necessary items and steps.

2. Update preparation with a USB flash drive

Steps for preparing a USB flash drive with the correct firmware files for updating.

3. Update method when the DIGITAL PCB or network module is replaced (Using a USB flash drive)

Detailed procedure for updating firmware when specific boards or modules are replaced.

4. Update Method for Service Region Settings

Instructions for creating and applying service region settings files via USB.

5. Normal Firmware Update Method from USB Flash Drive

Standard procedure for updating the unit's firmware using a USB flash drive.

6. Normal Firmware Update Method from OTA

Instructions for updating firmware wirelessly over-the-air using an internet connection.

7. About the error codes

Lists common error codes encountered during firmware updates and their corresponding remedies.

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