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Denon DRA-397 Service Manual

Denon DRA-397
62 pages
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SERVICE MANUAL
AM-FM STEREO RECEIVER
MODEL
DRA-397
DRA-297
DRA-37
TOKYO, JAPAN
Denon Brand Company, D&M Holdings Inc.
X0282V.02 DE/CDM 0701
Some illustrations using in this service manual are
slightly different from the actual set.
Please use this service manual with referring to the
operating instructions without fail.
For purposes of improvement, specifications and
design are subject to change without notice.
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。
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。
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。
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 U.S.A. & Canada model
Ver. 2
Please refer to the
MODIFICATION NOTICE.

Other manuals for Denon DRA-397

Questions and Answers:

Denon DRA-397 Specifications

General IconGeneral
Number of Channels2
Total Harmonic Distortion (THD)0.08%
Input Sensitivity200 mV (Line)
Speaker load impedance4 - 16 ohms
Frequency Response10 Hz - 100 kHz
Tuning rangeFM: 87.5 - 108 MHz
OutputSpeaker
Tuner SectionFM/AM Tuner
FM Sensitivity1.0 µV

Summary

Service Manual Introduction

Cautions and Important Notes

Essential warnings and notes for servicing and product operation.

Safety Precautions

Servicing Safety Guidelines

Precautions for electric shock, part handling, and inspections to ensure user safety.

Adjustment Procedures

Idling Current Adjustment

Step-by-step guide to adjust the unit's idling current for optimal performance.

System Diagrams

Block and Level Diagrams

Illustrates the main functional blocks, signal paths, and levels within the receiver.

Component Details

Semiconductor and IC Information

Details integrated circuits, their pinouts, and functions.

Display Unit

FL Display Connections and Assignment

Information on connecting and assigning pins for the front panel FL display.

Printed Wiring Board Layouts

PWB Layouts (Main, Front, Input, CTN, XM-Ready, Function SW)

Component and foil side layouts for various printed wiring boards.

Parts List Information

Parts List Conventions and Notes

Explains markings, notations, and reading conventions for the parts list.

Parts List

Semiconductor and Component Listings

Lists semiconductor and other components with part numbers, names, and remarks.

Exploded Views

Model Assembly Diagrams

Illustrates exploded views of the unit's assembly for different models.

Packing and Accessories

Packing List Details

Lists all packing materials and accessories included with the unit.

Wiring Diagrams

Inter-Board Wiring Connections

Shows internal wiring connections between major boards and components.

Schematic Diagram Notes

Schematic Diagram Conventions and Warnings

Explains symbols, warnings, and measurement conditions used in schematic diagrams.

Schematic Diagrams

Input, Front, Audio, Main, Power SW, Video, Headphone, Zone, XM Ready Unit Schematics

Comprehensive circuit diagrams covering all major functional units of the receiver.

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