Denon AVR-1620

D&M Holdings lnc.
e
Copyright 2009 D&M Holdings Inc. All rights reserved.
WARNING: Violators will be prosecuted to the maximum extent possible.
SERVICE MANUAL
AV SURROUND RECEIVER
MODEL JP E3 E2 EK EA E1C E1K EUT
AVR-1910
33 3
AVR-1620
3
AVR-1610
33 3
AVR-790
33
AVR-590
33
Ver. 6
●
For purposes of improvement, specifications 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.
Please refer to the
MODIFICATION NOTICE.
S0018-1V06DM/DG0912

Denon AVR-1620 Specifications

General

Brand	Denon
Model	AVR-1620
Category	Receiver
Language	English

Summary

DENON Service Manual

Safety Precautions and Warnings

Leakage Current Check Procedure

Procedure for checking leakage current before returning the unit.

Electric Shock Precautions During Service

Warns about high voltage parts and electric shock risks during servicing.

Use of Designated Replacement Parts

Stresses using specified parts, especially for safety-critical components.

Post-Service Safety Inspection Checklist

Details essential safety checks after completing servicing procedures.

Unit Disassembly Procedures

Servicing Cautions

Receiver Initialization Procedure

Describes the procedure for initializing the AV receiver.

Special Operating Modes

Error Checking Mode

Explains how to enter and view the error or protection history mode.

Initialization Mode

comDSP Version Display Mode

Error Display Information Details

Explains how errors are displayed and provides a table of error conditions.

Unit Adjustment Procedures

Idling Current Adjustment Procedure

Details the procedure for measuring and adjusting the idling current.

Troubleshooting Guide

Power Troubleshooting

Addresses issues related to the unit's power function.

Troubleshooting Power On Issues

Provides a flowchart for troubleshooting power-on issues.

Analog Video Troubleshooting

Monitor Output (Analog Video) Issues

Troubleshooting guide for issues with analog video monitor output.

HDMI Output Issues (AVR-1910790)

HDMIDVI Troubleshooting Guide

No Picture or Sound Output (HDMIDVI)

Troubleshooting steps for no picture or sound output via HDMI/DVI.

Video Block Diagram

Printed Wiring Board Layouts

Main PCB Layout (Component Side)

Shows the component side layout for the main PCB assembly (part 1/2).

Front PCB Layout (Component Side)

Shows the component side layout for the front PCB assembly (part 1/2).

Input PCB Layout

Shows the component and foil side layouts for the PCB input assembly.

Power PCB Layout (Component Side)

Shows the component side layout for the PCB power assembly (part 1/2).

HDMI PCB Layout (1910790 Model)

Shows component and foil side layouts for the PCB HDMI assembly (1910/790).

7 CH AMP PCB Layout (1910790 Model)

Shows component and foil side layouts for the 7CH AMP PCB assembly (1910/790).

Video PCB Layout

Shows the component and foil side layouts for the PCB VIDEO assembly.

EXT IN PCB Layout (1910790 Model)

Shows component and foil side layouts for the PCB EXT_IN assembly (1910/790).

Printed Wiring Board Parts List

Front PCB Parts List

Input PCB Parts List

Power PCB Parts List

HDMI PCB Parts List (1910790 Model)

HDMI PCB Parts List (16101620590 Model)

7 CH AMP PCB Parts List (1910790 Model)

5 CH AMP PCB Parts List (16101620590 Model)

Video PCB Parts List

EXT IN PCB Parts List (1910790 Model)

Exploded View (1910790 Model)

Exploded View (16101620590 Model)

Exploded View Parts List (1910790 Model)

Exploded View Parts List (16101620590 Model)

Schematic Diagram Notes and Warnings

Schematic Diagram Critical Warning

Schematic Diagram Cautionary Notes

Caution regarding leakage current checks before returning the unit.

Schematic Diagrams (1 of 25)

19 HDMI Unit Schematic (17)

Schematic diagram for the 19 HDMI Unit (part 1/7) for 1910/790 models.

SCPU Part Schematic (19 HDMI Unit 17)

Schematic Diagrams (2 of 25)

19 HDMI Unit Schematic (27)

Schematic diagram for the 19 HDMI Unit (part 2/7) for 1910/790 models.

RX Part Schematic (19 HDMI Unit 27)

Schematic Diagrams (3 of 25)

19 HDMI Unit Schematic (37)

Schematic diagram for the 19 HDMI Unit (part 3/7) for 1910/790 models.

IP Conversion Part Schematic (19 HDMI Unit 37)

Schematic Diagrams (4 of 25)

19 HDMI Unit Schematic (47)

Schematic diagram for the 19 HDMI Unit (part 4/7) for 1910/790 models.

TX Part Schematic (19 HDMI Unit 47)

Schematic Diagrams (5 of 25)

19 HDMI Unit Schematic (57)

Schematic diagram for the 19 HDMI Unit (part 5/7) for 1910/790 models.

DSP Part Schematic (19 HDMI Unit 57)

Schematic Diagrams (15 of 25)

Main Unit Schematic Diagram

Schematic diagram for the main unit of the receiver.

Schematic Diagrams (16 of 25)

CPU Unit Schematic Diagram

Schematic diagram for the CPU unit of the receiver.

Schematic Diagrams (17 of 25)

Front Unit Schematic Diagram

Schematic diagram for the front unit of the receiver.

Schematic Diagrams (18 of 25)

Speaker Unit Schematic Diagram

Encoder Unit Schematic Diagram

Microphone Unit Schematic Diagram

V.AUX Unit Schematic Diagram

Schematic Diagrams (19 of 25)

Input Unit Schematic Diagram

Schematic Diagrams (20 of 25)

Video Unit Schematic Diagram

Schematic Diagrams (21 of 25)

Digital InOut Unit Schematic Diagram

Schematic Diagrams (22 of 25)

7-Channel Amplifier Unit Schematic Diagram

Schematic Diagrams (23 of 25)

Supply Unit Schematic Diagram

Power Unit Schematic Diagram

Schematic Diagrams (24 of 25)

CNT Unit Schematic Diagram

16 SPK Unit Schematic Diagram

Schematic Diagrams (25 of 25)

EXT IN Unit Schematic (1910790 Model)

CNT1 Unit Schematic Diagram