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Hitachi HCA-6500 Service Manual

Hitachi HCA-6500
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Hitachi HCA-6500 Specifications

General IconGeneral
BrandHitachi
ModelHCA-6500
CategoryAmplifier
LanguageEnglish

Summary

Hitachi HCA-6500 Product Features

High-Fidelity Equalizer Performance

Features low distortion and high signal-to-noise ratio for superior sound reproduction.

ICL DC Amplifier Equalizer Design

Employs ICL DC configuration for the equalizer amplifier stage.

Hitachi HCA-6500 Technical Specifications

Input Sensitivity and Output Levels

Details input sensitivity for PHONO, TUNER, AUX, TAPE and maximum input/output levels.

Frequency Response and Noise Specifications

Specifies frequency response for PHONO and TUNER/AUX/TAPE, and signal-to-noise ratios.

New Circuitry Description: ICL Equalizer

ICL DC Amplifier Equalizer Circuit Details

Detailed explanation of the ICL DC amplifier equalizer using FETs and IC for low noise and high S/N ratio.

Output Voltage Drift Correction Method

Describes the mechanism to adjust and correct output voltage drift (VQ) using resistors R407 and R451.

Circuit Diagram: Right Channel & Power Supply

Power Supply and AC Input/Output

Illustrates the power transformer, rectifier, and AC input/output connections for various regions.

Replacement Parts List: Core Components

Capacitor Part Specifications

Lists capacitors with stock numbers, descriptions, values, tolerances, and voltage ratings.

Resistor Part Specifications

Details resistors with stock numbers, types, values, tolerances, and package sizes.

Replacement Parts List: Ancillary Components

Front and Rear Panel Identification

Front Panel Controls and Indicators Explained

Identifies and describes all controls, switches, and indicators on the front panel.

Rear Panel Connections and Outlets

Details the input/output terminals, AC outlets, and power cord connection on the rear panel.

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