Marantz 2050 Service Manual (English)

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Marantz 2050 Specifications

General

Brand	Marantz
Model	2050
Category	Tuner
Language	English

Summary

Marantz Design and Service

Ordering Parts

Instructions for obtaining replacement Marantz parts via mail or phone.

Overseas Parts Ordering

List of international locations for ordering Marantz stereo parts.

Introduction

P.W. Boards

Test Equipment Required for Servicing

Alignment Procedures

FM Alignment procedures (Selector switch in the "FM" position)

Step-by-step guide for FM IF alignment using specific signal sources.

FM RF Alignment

Procedure for tuning the FM radio frequency section for maximum output.

Muting Circuit Alignment

Adjustment steps for the FM muting circuit threshold level.

Multiplex Alignment Procedures (Selector switch in the "FM" position)

Steps to align the FM multiplex stereo decoder for proper separation.

AM Alignment Procedures (Selector switch in the "AM" position)

Instructions for performing alignment on the AM tuner section.

Voltage Conversion for European Model

Schematic Diagrams

Diagram and Component Locations

Tuner Assembly (P100) Schematic Diagram and Component Locations

Schematics and layout for the tuner's main circuit board (P100).

Power Supply Assembly (P800) Schematic Diagram and Component Locations

Schematics and component layout for the power supply board (P800).

Function Led. Assembly (PY00) Schematic Diagram and Component Locations

Circuit diagram and component layout for the function LED assembly (PY00).

Stereo Led. Assembly (PZ00) Schematic Diagram and Component Locations

Circuit diagram and component layout for the stereo LED assembly (PZ00).

Switch Assembly (PSOO) Schematic Diagram and Component Locations

Circuit diagram and component layout for the switch assembly (PSOO).

Block Diagram

Exploded View and Parts List

Electrical Parts List

Technical Specifications

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