Denon AVR-2105

Brand	Denon
Model	AVR-2105
Category	Receiver
Language	English

Service Manual

Service Precautions

Important safety and operational notes for servicing the unit, including reading the manual and following precautions.

Safety Precautions

Leakage Current Check Procedure

Procedure for checking leakage current or line-to-chassis resistance to ensure unit safety before customer return.

Block Diagram

Caution in Servicing

Initializing AV Surround Receiver

Procedure for initializing the AV surround receiver, including button combinations and expected outcomes.

Adjustment

Audio Section Adjustment

Procedure for adjusting the audio section, including preparation steps and mode settings.

Idling Current Adjustment

Detailed steps for adjusting idling current, including test points, voltage settings, and timing.

Video Section Adjustment (US, Canada, Japan)

Component Video Level Adjustment

Procedure for adjusting component video Y, Cb, and Cr levels using test disc and oscilloscope.

Printed Wiring Boards

Main PWB Unit (Component Side Layout)

CPU, Front PWB Unit

CNT, Pre-Amp PWB Unit

InputVideo PWB Unit (US, Canada, Japan Models)

DSP PWB Unit

D-Video PWB Unit (Japan Model)

Parts List of PWB Unit Assembly (USA & Canada)

CPU, Front PWB Unit Semiconductor Components (Parts List)

Parts List of PWB Unit Assembly (UK)

Main PWB Unit Parts List (UK)

List of semiconductor components (ICs, transistors, diodes) for the main PWB (UK version).

Parts List of PWB Unit Assembly (Japan)

Main PWB Unit Parts List (Japan)

List of semiconductor components (ICs, transistors, diodes) for the main PWB (Japan version).

Exploded View (USA, Canada Model)

Exploded View Parts List

Parts List of Exploded View (USA & Canada)

Main PWB Unit Parts List (USA & Canada)

List of parts corresponding to the exploded view for USA and Canada models.

Parts List of Exploded View (Europe, Asia & Korea)

Main PWB Assembly Parts List (Europe, Asia, Korea)

List of main PWB assembly parts for Europe, Asia, and Korea models.

Parts List of Exploded View (UK & China)

Main PWB Unit Parts List (UK & China)

List of main PWB unit parts for UK and China models.

Parts List of Exploded View (Taiwan R.O.C.)

Main PWB Unit Parts List (Taiwan R.O.C.)

List of main PWB unit parts for Taiwan R.O.C. models.

Parts List of Exploded View (Japan)

Main PWB Assembly Parts List (Japan)

Wiring Diagram

Notes for Schematic Diagrams

Schematic Diagrams (116)

Input Board Part 1 Schematic

Schematic Diagrams (216)

Input Board Part 2 Schematic

Input Unit Schematic (22)

Schematic Diagrams (316)

DSP Unit Schematic (12)

Schematic Diagrams (416)

DSP Unit Schematic (22)

Schematic Diagrams (516)

Surround Back Amp Board Schematic

Schematic Diagrams (616)

Pre-Amp Board Schematic

6-Channel Input Unit Schematic

Schematic Diagrams (716)

Main Unit Schematic

Schematic diagram of the main unit, showing major sections and their interconnections.

Schematic Diagrams (816)

CPU Board Schematic

Schematic Diagrams (916)

Input Unit Schematic (12)

Schematic Diagrams (1016)

Video Board Part 2 (S-Video) Schematic

Schematic Diagrams (1116)

Schematic Diagrams (1216)

C-Video Unit Schematic

Schematic Diagrams (1316)

Component Video Unit Schematic (Excluding US, Canada, Japan)

Schematic Diagrams (1416)

S-Video Unit Schematic

InputVideo CNT Unit Schematic

Schematic Diagrams (1516)

Component-Video Unit Schematic (Excluding US, Canada, Japan)

Schematic Diagrams (1616)

Front, Switch, Headphone, S-Video, Optical Input Units Schematics

Table of Contents

Other manuals for Denon AVR-2105

Denon AVR-2105 Specifications

Summary