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SCOTT 480A - Service Manual

SCOTT 480A
18 pages
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Summary

Safety Precautions

CAUTION NOTICE

Follow safety precautions for continued reliability and safety against fire and shock hazards.

Specifications Overview

Output Power and Distortion

Details continuous RMS output power, total harmonic, and intermodulation distortion.

Block Diagram

Input and Pre-Amplifier Stages

Diagram of input selector, phono pre-amplifiers, and RIAA equalization circuits.

Power Amplifier and Protection Circuit

Shows the power amplifier, relay protection, and AC input connections.

Circuit Description

Level Diagram and Phono Preamplifier

Explains signal levels and the negative feedback phono equalizer circuit.

Volume and Tone Control Circuits

Details the dual transistor volume amplifier and negative feedback tone control.

Power Amplifier Circuit

Describes the OCL complementary amplifier, its protection, and input stage.

Adjustment Procedures

Replacement Parts List

Schematic Diagrams

460 A Circuit Schematic

Detailed electrical schematic diagram for the 460A integrated amplifier.

480 A Circuit Schematic

Detailed electrical schematic diagram for the 480A integrated amplifier.

Circuit Board Parts Breakdown

Power Supply Parts Breakdown

Power Amplifier Components List

Preamplifier Components List

Summary

Safety Precautions

CAUTION NOTICE

Follow safety precautions for continued reliability and safety against fire and shock hazards.

Specifications Overview

Output Power and Distortion

Details continuous RMS output power, total harmonic, and intermodulation distortion.

Block Diagram

Input and Pre-Amplifier Stages

Diagram of input selector, phono pre-amplifiers, and RIAA equalization circuits.

Power Amplifier and Protection Circuit

Shows the power amplifier, relay protection, and AC input connections.

Circuit Description

Level Diagram and Phono Preamplifier

Explains signal levels and the negative feedback phono equalizer circuit.

Volume and Tone Control Circuits

Details the dual transistor volume amplifier and negative feedback tone control.

Power Amplifier Circuit

Describes the OCL complementary amplifier, its protection, and input stage.

Adjustment Procedures

Replacement Parts List

Schematic Diagrams

460 A Circuit Schematic

Detailed electrical schematic diagram for the 460A integrated amplifier.

480 A Circuit Schematic

Detailed electrical schematic diagram for the 480A integrated amplifier.

Circuit Board Parts Breakdown

Power Supply Parts Breakdown

Power Amplifier Components List

Preamplifier Components List

SCOTT 480A Specifications

General IconGeneral
BrandSCOTT
Model480A
CategoryAmplifier
LanguageEnglish

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