Denon AVR-X1400H Service Manual

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INTEGRATED NETWORK AV RECEIVER
AVR-X1400H
AVR-S730H
Service Manual
Click here!
On-line service parts list
URL:http://dmedia.dmglobal.com/Document/DocumentDetails/23150
Online Parts List (P5 to P7)
On-line owner’s manual
NA: http://manuals.denon.com/AVRX1400H/NA/EN/index.php
EU: http://manuals.denon.com/AVRX1400H/EU/EN/index.php
AP: http://manuals.denon.com/AVRX1400H/AP/ZH/index.php
NA: http://manuals.denon.com/AVRS730H/NA/EN/index.php
CAUTION IN SERVICING
ELECTRICAL
MECHANICAL
REPAIR INFORMATION
UPDATING
Ver. 2
Please refer to the MODIFICATION NOTICE.
purposesofimprovement,specicationsanddesignaresubjecttochangewithoutnotice.
•Pleaseusethisservicemanualwithreferringtotheoperatinginstructionswithoutfail.
•Someillustrationsusinginthisservicemanualareslightlydifferentfromtheactualset.

Denon AVR-X1400H Specifications

General

Receiver type	Surround
Frequency range	20 - 20000 Hz
Pre-out channels	2 SW
Input sensitivity	200 mV
Pre-out connectivity	Yes
Audio output channels	7.2 channels
Signal-to-Noise Ratio (SNR)	98 dB
Total Harmonic Distortion (THD)	0.08 %
Power output per channel (1KHz@6 Ohm)	145 W
Power output per channel (20-20KHz@8 Ohm)	80 W
HDMI in	6
Digital audio coaxial in	0
Ethernet LAN (RJ-45) ports	1
Multichannel audio input type	RCA
Component video (YPbPr/YCbCr) in	2
Headphone connectivity	3.5 mm
Connectivity technology	Wired & Wireless
Speakers connectivity type	3.5mm
Audio formats supported	ALAC, DSD, FLAC, MP3, WAV
Display	VFL
HDCP version	2.2
Apple docking	No
Product color	Black
Audio decoders	DTS-HD Master Audio, DTS:X, Dolby Atmos, Dolby Surround
Volume control	Rotary
Center speaker impedance	16 Ω
AM band range	522 - 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, iHeartRadio
AC input voltage	230 V
AC input frequency	50 Hz
Power consumption (standby)	0.1 W
Power consumption (typical)	430 W
Supported video modes	720i, 720p, 960p, 1080i, 1080p, 2160p
Supported graphics resolutions	3840 x 2160
Certification	CE, EAC

Weight and Dimensions

Depth	339 mm
Width	434 mm
Height	151 mm
Weight	8500 g

Summary

CAUTION IN SERVICING

Safety Precautions

Essential safety guidelines to follow during servicing.

Unit Initialization and Servicing Jigs

Cautions for unit initialization and servicing jigs for AVR-X1400H/S730H.

Handling Sensitive Components

Guidelines for safely handling semiconductors and optical units.

Online Parts List Access

SAFETY PRECAUTIONS

Leakage Current Check and Safety Checks

Procedures for leakage current and post-service safety checks.

Servicing Cautions and Important Parts

General cautions for servicing, electric shock, and critical safety parts.

NOTES FOR SCHEMATIC AND PARTS LIST

Instructions for Handling Semiconductors and Optical Unit

Procedures for grounding human body and workbench for static discharge.

ONLINE PARTS LIST

Accessing and Logging In

ONLINE PARTS LIST SEARCH

Searching Part Numbers or Ref. Numbers

BLOCK DIAGRAM

Analog Audio Block Diagram

DIGITAL AUDIO DIAGRAM

Digital Audio Block Diagram

fig.02a: Digital Audio Block Diagram

fig.03a: Digital Audio Block Diagram

fig.04a: Digital Audio Block Diagram

fig.05a: Digital Audio Block Diagram

fig.10: Digital Audio Block Diagram

VIDEO DIAGRAM

Video Block Diagram

fig.07: Video Block Diagram

fig.08: Video Block Diagram

fig.09: Video Block Diagram

fig.11: Video Block Diagram

POWER DIAGRAM

VCC Diagram

Diagram showing the power supply distribution and current consumption.

MECHANICAL

Disassembly Overview

Section covering disassembly, exploded view, and packing view.

DISASSEMBLY

Disassembly Flowchart

Step-by-step flowchart for disassembling the unit.

DISASSEMBLY PROCEDURES

Front Panel Assy Disassembly

Detailed steps and photos for disassembling the front panel assembly.

Digital PCB, Radiator Assy, SMPS, Regulator, Power Trans Disassembly

EXPLODED VIEW

AVR-S730H/X1400H Exploded View

Exploded view showing all parts of the AVR-S730H/X1400H.

REPAIR INFORMATION

Troubleshooting and Failure Analysis

Guide to diagnosing and resolving common operational problems and failures.

Special Modes and Diagnostics

TROUBLE SHOOTING

1. Power: Unit Does Not Power On

Troubleshooting steps for power-related issues, including fuse checks.

2. Analog Video

Monitor Out (CVBS) Output NG

3. HDMI/DVI

3.1. No Picture or Sound Output (HDMI to HDMI)

Troubleshooting guide for no video or audio output over HDMI.

4. AUDIO

4.1. Audio Check

Steps to check audio output for various input sources and modes.

4.2. Power AMP (AMP PCB)

No Audio Output / Protection Activated

Troubleshooting steps for no audio output with protection activated.

4.3. Analog Audio

No Audio Output

5. Network / Bluetooth / USB

5.1. Cannot Connect to the Network

Troubleshooting steps to resolve network connectivity issues.

5. Network / Bluetooth / USB (Continuation)

5.2. Cannot Establish a Bluetooth Connection

Troubleshooting steps for Bluetooth connection problems.

5.3. Cannot Recognize Connected USB Device

Steps to troubleshoot issues with recognizing connected USB devices.

6. SMPS

DC 5V Output Not Working

Troubleshooting steps when DC 5V is not output from the SMPS.

HDMI "Rx/Tx" Failure Detection

1. Prior Checking

Initial check for HDMI connector condition and pin deformation.

3. Starting Detecting the Point of Failure

(1) Start in HDMI Diagnostics Mode

How to enter HDMI Diagnostics mode.

Error Code Display Interpretation

Interpreting error codes displayed during HDMI diagnostics.

3-1. Error Code H1-01 Failure Detection Procedure

Checking Device (HDMI Rx/Tx)

Procedure for detecting failures related to HDMI Rx/Tx IC.

3-2. Error Code H1-02 Failure Detection Procedure

Checking Device (HDMI SW)

Procedure for detecting failures related to HDMI SW IC.

3-3. Error Code H1-07 Failure Detection Procedure

Checking Device (OSD)

Procedure for detecting failures related to OSD IC.

3-4. Error Code H1-15 Failure Detection Procedure

Checking Device [IC732 : MX25L3206EMI(E3, E1C, K)/MX25L6406EMI(E2)]

Procedure for detecting failures related to the OSD ROM IC.

3-5. Error Code H1-08 Failure Detection Procedure

Checking Device [IC781 : CS49844A]

Procedure for detecting failures related to the DSP IC.

3-6. Error Code H1-12 Failure Detection Procedure

Checking Device [IC761 : PCM9211]

Procedure for detecting failures related to the DIR IC.

3-7. HDMI Rx/Tx [MN864788] & OSD[ADV7623] Failure Detection Procedure

Checking Operation Between HDMI (Rx/Tx) and Player

Steps to check HDMI operation between the unit and player.

Checking +5V/DDC Status Register (HDMI Rx/Tx)

Checking +5V/DDC status for HDMI Rx/Tx.

3-8. HDMI SW [MN864787] Failure Detection Procedure

Checking Operation Between HDMI (HDMI SW) and Player

Steps to check HDMI SW operation between the unit and player.

Checking +5V/DDC Status Register (HDMI SW)

Checking +5V/DDC status for HDMI SW.

3-9. Front HDMI Buffer IC [AD8195] Failure Detection Procedure

Checking Operation Between HDMI (Front HDMI Buffer) and Player

Steps to check Front HDMI Buffer operation.

Checking +5V/DDC Status Register (Front HDMI Buffer)

Checking +5V/DDC status for Front HDMI Buffer.

3-10. OSD [ADV7623] Failure Detection Procedure

Checking the TMDS Status Register (OSD -> HDMI Rx/Tx)

Checking TMDS status for OSD to HDMI Rx/Tx communication.

Checking HPD/RXSENSE Status Register (HDMI TX -> Monitor)

HDMI TX Device Check

3-11. HDMI Rx/Tx [MN864788] & OSD[ADV7623] Failure Detection Procedure

Checking the TMDS Status Register (Rx/Tx -> OSD)

Checking TMDS status for HDMI Rx/Tx to OSD communication.

CLOCK FLOW & WAVEFORM IN DIGITAL BLOCK

SPDIF Input, DIR Output, DAC Input Waveforms

SPECIAL MODE

Special Mode Setting Button Combinations

Mode Descriptions

1.4. Error Display

Error Code Descriptions and Countermeasures

Table detailing error codes, states, and display messages.

2. PANEL / REMOTE LOCK Selection Mode

2.1. Actions, 2.2. Starting up, 2.3. Displaying and Selecting Each Mode

3. Selecting the Mode for Service-related

3-1.1. Actions, 3-1.2. Starting up, 3-1.3. Displaying and Selecting Each Mode

Actions, startup, and display/selection for service modes.

3-2. Protection History Display Mode

3-2.1. Actions, 3-2.2. Starting up, 3-2.3. Protection Information and Displays

Actions, startup, and information display for protection history.

Protection History Display Mode (Continuation)

3-2.4. Clearing the Protection History

Two methods to clear the protection history.

3-3. Operation Info Mode

3-3.1. Actions, 3-3.2. Starting up, 3-3.3. Operations

3-5. Remote ID Setup Mode

3-5.1. Actions, 3-5.2. Starting up, 3-5.3. Operations

4. Protection Pass Mode

4.1. Actions and 4.2. Operations

5. Network Initialization Mode

5.1. Actions and 5.2. Operations

6. Clearing the Operation Info

6.1. Actions and 6.2. Operations

DIAGNOSTIC MODE

Service Path Check Mode

Audio System Confirmation Items

DIAGNOSTIC PATH DIAGRAM

fig.01: Analog Audio Block Diagram

ANALOG AUDIO DIAGRAM

fig.02b: Analog Audio Block Diagram

fig.03b: Analog Audio Block Diagram

fig.04b: Analog Audio Block Diagram

fig.05b: Analog Audio Block Diagram

fig.06: Analog Audio Block Diagram

JIG FOR SERVICING

DIGITAL PCB Jig Connection

ADJUSTMENT

Adjusting Idling Current

UPDATING

Procedures After PCB or U-COM Replacement

Firmware Update Procedure

General steps for updating firmware.

PCB REPLACEMENT PROCEDURES

Region Setting Resistor Change

Software Update After Replacement

FIRMWARE UPDATE PROCEDURE

1. Items Necessary for Update

USB FLASH DRIVE UPDATE PREPARATION

2.1. Connecting to the USB Flash Drive

2.2. Unzipping the Downloaded File

USB FLASH DRIVE UPDATE METHOD

3.1. File Structure on USB Flash Drive

3.2. Start the Update

Steps to initiate the firmware update process.

Firmware Factory Restore and Region Settings

SERVICE REGION SETTINGS UPDATE

4.1. Creating a Service Region Settings File

4.2. Starting Service Region Settings

NORMAL FIRMWARE UPDATE METHOD FROM USB FLASH DRIVE

5.1. File Structure on USB Flash Drive

5.2. Start Normal Update

Steps to initiate a normal firmware update via USB.

NORMAL FIRMWARE UPDATE METHOD FROM OTA

6.1. Network Connection

6.2. Check and Update the Firmware

ERROR CODE INFORMATION

Error Code Display and Format