Denon AVR-1706 Service Manual

SERVICE MANUAL
AV SURROUND RECEIVER
MODEL AVR-1706/686
AVR-1506/486
TOKYO, JAPAN
Denon Brand Company, D&M Holdings Inc.
X0242V.01 DE/CDM 0507
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, Europe,
& Taiwan R.O.C. model
Ver. 1
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Denon AVR-1706 Specifications

General

Speakers connectivity type	-
Receiver type	Surround
Frequency range	10 - 100000 Hz
Audio output channels	7.1 channels
Audio A/D Converter (ADC)	24-bit/96kHz
Total Harmonic Distortion (THD)	0.08 %
Power output per channel (1KHz@6 Ohm)	110 W
Power output per channel (20-20KHz@8 Ohm)	75 W
Composite video out	2
Component video (YPbPr/YCbCr) out	1
AC (power) in	Yes
Composite video in	4
Component video (YPbPr/YCbCr) in	3
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
AC input voltage	120 V
AC input frequency	60 Hz
Optical drive included	No
Product color	Black
Audio decoders	DTS 96/24, DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), Dolby Digital EX, Dolby Pro Logic IIx
Apple docking compatibility	Not supported

Weight and Dimensions

Depth	417 mm
Width	434 mm
Height	147 mm
Weight	11.3 g

Summary

Service Manual

Model Identification and Scope

Identifies the AVR-1706/686, AVR-1506/486 models and their regional scope.

Critical Service Warnings

Provides crucial warnings and notes before commencing service operations.

Safety Precautions for Service

Leakage Current and Resistance Checks

Procedure to ensure safety by checking leakage current or line to chassis resistance.

General Servicing Guidelines

Important notes for service, including handling high voltage and specified parts.

Safety-Critical Component Identification

Details on identifying and using safety-critical components marked with ▲.

Unit Dimensions

Dimensional Diagram

Diagram illustrating the physical dimensions of the unit with measurements.

Servicing Cautions

AV Receiver Initialization Procedure

Steps to initialize the AV Surround Receiver when µcom or related parts are replaced.

Unit Adjustments

Audio Section Idling Current Adjustment

Procedure for adjusting idling current for the audio section using a DC voltmeter.

Video Section Adjustments

Component Video Level Adjustment

Procedure to adjust component video Y, Cb, Cr levels using an oscilloscope.

Block Diagram

AVR Block Diagram Overview

Overall block diagram showing the signal flow and component connections for the AVR unit.

Signal Level Diagrams (Part 1)

Level Paths: Front, Center, Surround

Diagrams illustrating signal levels for front, center, and surround channels.

Signal Level Diagrams (Part 2)

Level Path: Sub Woofer

Diagram illustrating signal levels for the sub woofer output.

Semiconductor Components Overview

Integrated Circuits (ICs) List

List and terminal functions of key integrated circuits used in the unit.

M30622MEP IC Pin Configuration

Pin configuration and terminal functions for the M30622MEP IC (IC201).

Front Panel Display Information

FL Display Unit Details

Information on the Front Panel (FL) display, including pin assignments and grid layout.

FL Display Pin and Grid Assignments

Details the pin numbering and assignment of anode and grid connections for the FL display.

Printed Wiring Board Layouts

Main PWB Unit Diagram

Diagram showing the component layout for the main Printed Wiring Board.

CPU PWB Unit Diagram

Diagram illustrating the component placement on the CPU Printed Wiring Board.

CPU/Front Array PCB Diagram

Diagram showing component placement on the CPU/Front Array PCB.

CNT PWB Unit Diagram

Diagram showing component layout for the Control (CNT) Printed Wiring Board.

Input PWB Unit Diagram

Diagram showing component placement for the Input Printed Wiring Board.

C-S Video-1 PWB Unit Diagram

Diagram showing component layout for the C-S Video-1 Printed Wiring Board.

C-S Video-2 PWB Unit Diagram

Diagram showing component layout for the C-S Video-2 Printed Wiring Board.

DSP PWB Unit Diagram (AVR-1706/686)

Diagram showing component layout for the DSP Printed Wiring Board for AVR-1706/686 models.

DSP PWB Unit Diagram (AVR-1506/486)

Diagram showing component layout for the DSP Printed Wiring Board for AVR-1506/486 models.

Parts List Information

Resistor and Capacitor Specifications

Explanation of resistor and capacitor markings, types, and codes in the parts list.

Parts List - Main PWB Unit

Semiconductors on Main PWB

List of semiconductor components for the main Printed Wiring Board assembly.

Resistors on Main PWB

List of resistors used on the main Printed Wiring Board assembly.

Capacitors on Main PWB

List of capacitors used on the main Printed Wiring Board assembly.

Other Parts on Main PWB

List of miscellaneous parts (connectors, coils, switches) for the main PWB.

Parts List - CPU PWB Unit

Semiconductors on CPU PWB

List of semiconductor components for the CPU Printed Wiring Board assembly.

Resistors on CPU PWB

List of resistors used on the CPU Printed Wiring Board assembly.

Capacitors on CPU PWB

List of capacitors used on the CPU Printed Wiring Board assembly.

Other Parts on CPU PWB

List of miscellaneous parts for the CPU Printed Wiring Board assembly.

Parts List - CNT PWB Unit

Semiconductors on CNT PWB

List of semiconductor components for the Control (CNT) Printed Wiring Board assembly.

Resistors on CNT PWB

List of resistors used on the Control (CNT) Printed Wiring Board assembly.

Capacitors on CNT PWB

List of capacitors used on the Control (CNT) Printed Wiring Board assembly.

Parts List - Input PWB Unit

Semiconductors on Input PWB

List of semiconductor components for the Input Printed Wiring Board assembly.

Resistors on Input PWB

List of resistors used on the Input Printed Wiring Board assembly.

Capacitors on Input PWB

List of capacitors used on the Input Printed Wiring Board assembly.

Parts List - C/S Video-1 PWB Unit

Semiconductors on C/S Video-1 PWB

List of semiconductor components for the C/S Video-1 Printed Wiring Board assembly.

Resistors on C/S Video-1 PWB

List of resistors used on the C/S Video-1 Printed Wiring Board assembly.

Capacitors on C/S Video-1 PWB

List of capacitors used on the C/S Video-1 Printed Wiring Board assembly.

Other Parts on C/S Video-1 PWB

List of miscellaneous parts for the C/S Video-1 Printed Wiring Board assembly.

Parts List - C/S Video-2 PWB Unit

Semiconductors on C/S Video-2 PWB

List of semiconductor components for the C/S Video-2 Printed Wiring Board assembly.

Other Parts on C/S Video-2 PWB

List of miscellaneous parts for the C/S Video-2 Printed Wiring Board assembly.

Parts List - DSP PWB Unit (AVR-1706/686)

Semiconductors on DSP PWB (AVR-1706/686)

List of semiconductor components for the DSP Printed Wiring Board assembly (AVR-1706/686).

Resistors on DSP PWB (AVR-1706/686)

List of resistors used on the DSP Printed Wiring Board assembly (AVR-1706/686).

Capacitors on DSP PWB (AVR-1706/686)

List of capacitors used on the DSP Printed Wiring Board assembly (AVR-1706/686).

Other Parts on DSP PWB (AVR-1706/686)

List of miscellaneous parts for the DSP Printed Wiring Board assembly (AVR-1706/686).

Parts List - DSP PWB Unit (AVR-1506/486)

Semiconductors on DSP PWB (AVR-1506/486)

List of semiconductor components for the DSP Printed Wiring Board assembly (AVR-1506/486).

Resistors on DSP PWB (AVR-1506/486)

List of resistors used on the DSP Printed Wiring Board assembly (AVR-1506/486).

Capacitors on DSP PWB (AVR-1506/486)

List of capacitors used on the DSP Printed Wiring Board assembly (AVR-1506/486).

Other Parts on DSP PWB (AVR-1506/486)

List of miscellaneous parts for the DSP Printed Wiring Board assembly (AVR-1506/486).

Exploded View (AVR-1706 Model)

Exploded View Diagram

Exploded view illustrating the assembly of the AVR-1706 unit with part numbers indicated.

Exploded View (AVR-1506 Model)

Exploded View Diagram

Exploded view illustrating the assembly of the AVR-1506 unit with part numbers indicated.

Exploded View Parts List (AVR-1706/686)

Exploded View Parts List

List of parts corresponding to the exploded view for AVR-1706/686 models.

Screws for Exploded View Assembly

List of screws used in the exploded view assembly.

Packing View & Accessories (AVR-1706/686)

Packing & Accessories Parts List

List of packing materials and accessories for AVR-1706/686 models.

Packing View & Accessories (AVR-1506/486)

Packing & Accessories Parts List

List of packing materials and accessories for AVR-1506/486 models.

Wiring Diagram

AVR1506/1706 Wiring Diagram

Diagram illustrating the internal wiring connections between various boards and units.

Schematic Diagram Notes

General Notes and Warnings for Schematics

Important notes and warnings regarding schematic diagrams, including component value conventions.

Schematic Diagrams (1/15)

Input Unit Schematic

Schematic diagram for the Input Unit, showing connections from CPU and other boards.

Schematic Diagrams (2/15)

DSP-1 Unit Schematic (AVR-1706/686)

Schematic diagram for the DSP-1 Unit (AVR-1706/686 models).

Schematic Diagrams (3/15)

DSP-2 Unit Schematic (AVR-1706/686)

Schematic diagram for the DSP-2 Unit (AVR-1706/686 models).

Schematic Diagrams (4/15)

DSP-1 Unit Schematic (AVR-1506/486)

Schematic diagram for the DSP-1 Unit (AVR-1506/486 models).

Schematic Diagrams (5/15)

DSP-2 Unit Schematic (AVR-1506/486)

Schematic diagram for the DSP-2 Unit (AVR-1506/486 models).

Schematic Diagrams (6/15)

CPU Unit Schematic

Schematic diagram for the CPU Unit, detailing its connections and components.

Schematic Diagrams (7/15)

CNT Unit Schematic

Schematic diagram for the Control (CNT) Unit, showing connections to other boards.

Schematic Diagrams (9/15)

Pre-Amp Board Schematic

Schematic diagram for the Pre-Amplifier board, detailing its circuitry and connections.

Schematic Diagrams (Part 9 - Main Unit)

Main Unit Schematic

Schematic diagram for the Main Unit, showing connections and components.

Schematic Diagrams (10/15)

C/S Video-1 Unit Schematic (AVR1706/683 E3)

Schematic diagram for the C/S Video-1 Unit specific to AVR1706/683 E3 models.

Schematic Diagrams (11/15)

Video Signal Processing Units Schematics

Schematics for COMP VIDEO 1, VIDEO-CNT UP 1, and VIDEO-CNT DN 1 Units.

Schematic Diagrams (12/15)

Video Processing Units Schematics (AVR1506/486 E3)

Schematics for C/S VIDEO 2, COMP VIDEO 2, VIDEO-CNT UP 2, VIDEO-CNT DN 2 Units.

Schematic Diagrams (13/15)

Video Processing Units Schematics (AVR1706/686 E3)

Schematics for C/S VIDEO 2, COMP VIDEO 2, VIDEO-CNT UP 2, VIDEO-CNT DN 2 Units.

Schematic Diagrams (14/15)

Front Panel and Control Schematics

Schematics for Front Board, TACT SW, H/P, Function SW, and Main SW boards.

Schematic Diagrams (15/15)

Tuner Board Schematic

Schematic diagram for the Tuner Pack, detailing radio frequency and control circuits.

WEEE Compliance Documents

Recycle Parts Details

Details on parts marked with WEEE symbol and their material composition for recycling.

Exploded View (AVR-1706 Unit)

Exploded View Diagram

Exploded view illustrating the assembly of the AVR-1706 unit with part numbers indicated.

Recycle Parts - Main Transformer

Main Transformer Material Details

Details on materials used in the main transformer for recycling purposes.

Recycle Parts - Sub Transformer

Sub Transformer Material Details

Details on materials used in the sub transformer for recycling purposes.