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Marantz 3800 Service Manual

Marantz 3800
49 pages
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MODEL
3800
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Marantz 3800 Specifications

General IconGeneral
BrandMarantz
Model3800
CategoryStereo System
LanguageEnglish

Summary

Section 1 GENERAL INFORMATION AND OPERATING PRINCIPLES

Manual Purpose and Scope

Details the manual's purpose, scope, and applicability to the Marantz Model 3800 stereo preamplifier.

Model 3800 Overview and Features

Provides an overview of the Model 3800, its high-quality components, and design for reliable, continuous performance.

Description and Operation of Model 3800

Explains the Model 3800's system functions, circuit theory, and operational details, including functional description and precautions.

Dolby Noise Reduction Circuit Functionality

Details the Dolby NR circuit's encoding/decoding processes and its application as a dynamic noise filter for noise reduction.

Technical Specifications of the Model 3800

Highlights key performance features and technical specifications of the Model 3800 preamplifier.

Section 2 MAINTENANCE

General Maintenance Guidelines

Introduces maintenance procedures including troubleshooting, removal/installation, and repair for the Model 3800.

Preamplifier Circuits: Tests and Adjustments

Covers comprehensive tests and adjustments for preamplifier circuits, including functional tests, distortion, and frequency response.

Dolby NR Circuits: Tests and Adjustments

Details testing and adjustment procedures for Dolby NR circuits, including loop gain, frequency response, and meter calibration.

Trouble Analysis and Isolation

Lists common symptoms and probable causes to aid in troubleshooting and isolating problems within the Model 3800 unit.

Repacking the Unit for Shipment

Provides instructions and precautions for safely packing the Model 3800 for shipment, ensuring adequate protection during transit.

Section 3 ILLUSTRATED PARTS LIST

General Parts Identification

Introduces the parts list, explaining its organization by reference designations and assemblies for component identification.

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