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Yamaha CA-610 Service Manual

Yamaha CA-610
25 pages
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Yamaha CA-610 Specifications

General IconGeneral
Signal to Noise Ratio80dB (MM), 90dB (line)
TypeStereo Integrated Amplifier
Year1977
Input Sensitivity2.5mV (MM), 150mV (line)
Speaker Load Impedance4Ω to 16Ω

Summary

EXTERNAL VIEW

FRONT PANEL

Overview and identification of front panel controls and indicators.

REAR PANEL (GENERAL MODEL)

Identification of rear panel connections for general models.

REAR PANEL (EUROPEAN MODEL)

Identification of rear panel connections for European models.

SPECIFICATIONS

POWER OUTPUT SPECIFICATIONS

Details on dynamic, RMS, and bandwidth power outputs.

DISTORTION AND NOISE SPECIFICATIONS

Specifications for harmonic, intermodulation distortion, and residual noise.

FREQUENCY AND DAMPING SPECIFICATIONS

Specifications for frequency response and damping factor.

INPUT/OUTPUT SPECIFICATIONS

Specifications for input sensitivity, impedance, and output levels.

FUNCTIONAL SPECIFICATIONS

Specifications for tone controls, filters, and loudness.

SIGNAL-TO-NOISE RATIO

Specification for signal-to-noise ratio.

AUXILIARY AND GENERAL SPECIFICATIONS

Specifications for auxiliary circuits, semiconductors, power, and dimensions.

INTERNAL VIEW

TOP VIEW

Illustration of internal components from the top perspective.

BOTTOM VIEW

Illustration of internal components from the bottom perspective.

PARTIAL DISASSEMBLY

TOP COVER REMOVAL

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

BOTTOM PANEL REMOVAL

Step-by-step instructions for removing the bottom panel.

FRONT PANEL REMOVAL

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

MAIN CIRCUIT BOARD & EQUALIZER CIRCUIT BOARD REMOVAL

VOLUME CONTROL CIRCUIT BOARD

TONE CIRCUIT BOARD REMOVAL

POWER SWITCH REMOVAL

BLOCK DIAGRAM

Signal Flow Overview

Diagram illustrating the audio signal path and component interconnections.

ELECTRICAL CHECKS AND ADJUSTMENTS

BEFORE ADJUSTMENTS

General precautions and preparation steps before performing adjustments.

IDLING CURRENT ADJUSTMENT

Procedure for adjusting the idling current.

CHECKING ZERO POTENTIAL JUNCTION POINT

Procedure to check and verify zero potential points.

PRINTED CIRCUIT BOARD

EQUALIZER CIRCUIT BOARD

Schematic diagram of the equalizer circuit board.

TONE CONTROL CIRCUIT BOARD

VOLUME CONTROL CIRCUIT BOARD

LED CIRCUIT BOARD

LINE VOLTAGE CONVERSION

U.S. & CANADIAN MODELS

Instructions for voltage conversion for US and Canadian models.

EUROPEAN & BRITISH MODELS

Instructions for voltage conversion for European and British models.

AUSTRALIAN MODEL

Instructions for voltage conversion for Australian models.

MAIN CIRCUIT BOARD

Schematic Diagram

Detailed schematic of the main circuit board.

PACKEAGE

Packaging Instructions

Diagram illustrating the unit packaging process.

PARTS LIST

Component Identification Illustration

Illustration showing numbered parts for identification.

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