EasyManua.ls Logo

Yamaha A-1020 Service Manual

Yamaha A-1020
20 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image

Other manuals for Yamaha A-1020

Question and Answer IconNeed help?

Do you have a question about the Yamaha A-1020 and is the answer not in the manual?

Yamaha A-1020 Specifications

General IconGeneral
Dimensions435 x 151 x 422mm
Weight12.5 kg
Damping factor100
Input sensitivity0.16mV (MC), 2.5mV (MM), 150mV (line)
Speaker load impedance4 - 16 ohms
Frequency Response10 Hz - 100 kHz
Signal-to-Noise Ratio110dB (line)
Input Impedance47 kΩ
Channel separation70 dB

Summary

Service Personnel Guidelines

Leakage Current Measurement Procedure

Procedure for verifying insulation and safety after service.

Amplifier Technical Specifications

Power Output and Performance Specs

Details continuous and dynamic power output, headroom, and bandwidth.

Input Sensitivity and Noise Characteristics

Specifies input sensitivity, impedance, and noise ratios.

System Block Diagram Overview

Unit Disassembly Procedures

Top Cover Removal

Step-by-step guide for removing the top cover.

Front Panel Removal

Step-by-step guide for removing the front panel.

Bottom Cover Removal

Step-by-step guide for removing the bottom cover.

Adjustment and Calibration Procedures

Idling Current Adjustment

Procedure to adjust idling current for Lch and Rch channels.

Auto Class A Operation Confirmation

Procedure to confirm the operation of the Auto Class A circuit.

Printed Circuit Board Layouts (Page 6)

Main Circuit Boards (4) & (7) Pattern Side

Pattern side layouts for Main Circuit Boards (4) and (7).

Printed Circuit Board Layouts (Page 7)

Printed Circuit Board Layouts (Page 8)

Schematic Diagram: Main Amplifier

Schematic Diagram: EQ Amplifier

Related product manuals