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Marantz 300DC Service Manual

Marantz 300DC
20 pages
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Marantz 300DC Specifications

General IconGeneral
Damping Factor100
Input Sensitivity1.5V
Total Harmonic Distortion (THD)0.03%
Frequency Response20Hz to 20kHz
Frequency Response (Extended)5Hz-50kHz (+0, -1dB)
Power Output150 watts per channel (8 ohms, 20Hz-20kHz)

Summary

1. Introduction

2. Test Equipment Required for Servicing

Lists necessary tools and equipment for performing repairs and maintenance.

3. Alignment Procedure

3.1 DC Balance

Procedure for balancing DC levels in amplifier channels.

3.2 Meter Adjustment

Procedure for adjusting the meter sensitivity and response.

4. Voltage Conversion for Europe

4.1 Voltage Conversion Chart

Illustrates how to set the voltage selector for different regions.

5. Diagrams and Component Locations

5.1 Main Amp. Assembly (P700) Schematics

Schematic and component layout for the main amplifier board.

5.2 Peak Ind. Assembly (PNOO) Schematics

Schematic and component layout for the peak indicator assembly.

5.3 Power Supply Assembly (P800) Schematics

Schematic and component layout for the power supply assembly.

5.4 RCA Pin Terminal Assembly (PM00) Schematics

Schematic and component layout for the RCA pin terminal assembly.

5.5 Meter Range Assembly (PS00) Schematics

Schematic and component layout for the meter range assembly.

5.6 Fuse Assembly (PPOO) Schematics

Schematic and component layout for the fuse assembly.

6. Block Diagram

8. Exploded View and Parts List

21. Technical Specifications

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