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Denon AVR-1604 Service Manual

Denon AVR-1604
71 pages
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SERVICE MANUAL
MODEL
AVR-1604/684
AVC-1580
AV SURROUND RECEIVER / AMPLIFIER
16-11, YUSHIMA 3-CHOME, BUNKYO-KU, TOKYO 113-0034 JAPAN
X0174V.02 DE/CDM 0311
For U.S.A., Canada, Europe, U.K.,
Asia, China,Taiwan R.O.C., Korea
& Japan model
サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。
本機の仕様は性能改良のため、予告なく変更する
ことがあります。
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.
修理の際は、必ず取扱説明書を参照の上、作業を
行ってください。
本文中に使用しているイラストは、説明の都合上
現物と多少異なる場合があります。
補修用性能部品の保有期間は、製造打切後8年です。
注 意
For purposes of improvement, specifications and
design are subject to change without notice.

Other manuals for Denon AVR-1604

Questions and Answers:

Denon AVR-1604 Specifications

General IconGeneral
Speakers connectivity type-
Receiver typeSurround
Audio output channels6.1 channels
Power output per channel (1KHz@6 Ohm)110 W
Power output per channel (20-20KHz@8 Ohm)75 W
Ethernet LANNo
Supported radio bandsAM, FM
Product colorBlack
Audio decodersDTS Neo:6, DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), Dolby Digital, Dolby Digital EX, Dolby Pro Logic II
Weight and Dimensions IconWeight and Dimensions
Depth417 mm
Width434 mm
Height147 mm

Summary

Safety and Service Precautions

Leakage Current Check

Ensures electrical safety by checking leakage current before returning the unit.

General Service Precautions

Guidelines for safe servicing, including shock prevention and part handling.

Safety-Critical Parts

Identifies and emphasizes the use of critical replacement parts marked with ▲.

Initialization Procedure

Steps to initialize the AV SURROUND RECEIVER after component replacement.

System Diagrams

Level Diagrams

Illustrates signal levels across various audio channels within the unit.

Block Diagram

Provides an overview of the unit's internal architecture and signal flow.

Wiring Diagram

Shows external connections and inter-board wiring of the unit.

Adjustment Procedures

Tuner Alignment

Steps for aligning the FM and AM tuner sections using measuring instruments.

Idling Current Adjustment

Procedure for adjusting the idling current in the audio section's amplifier circuits.

Component Identification and Layouts

Semiconductor ICs and Pinouts

Details on major ICs, their functions, and pin configurations.

FL Display Details

Information on the front panel display, including assignments and assignments.

Printed Wiring Board Layouts

Component placement diagrams for various internal circuit boards.

Parts Lists

Parts List Notes and Conventions

Explains symbols, codes, and conventions used in the parts lists.

PWB Parts Lists

Detailed lists of parts for each Printed Wiring Board assembly.

Exploded View Parts Lists

Parts identification based on exploded views for different regional models.

Packing and Accessory Parts

Lists of items included in the product packaging and accessories.

Schematic Diagrams

Input/Volume and DSP Units Schematics

Circuit diagrams for the Input/Volume and DSP sections.

CNT, Pre Amp, SB Amp Units Schematics

Circuit diagrams for CNT, Pre Amp, and SB Amp boards.

Main and CPU Units Schematics

Circuit diagrams for the Main and CPU boards.

Video and Tuner Units Schematics

Circuit diagrams for Video and Tuner related units.

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