Marantz CD-73 Service Manual

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model CD-73

Marantz CD-73 Specifications

General

Type	CD Player
Manufacturer	Marantz
Dynamic Range	90dB
Output Level	2.0 V
Dimensions	440 x 310 x 95 mm
Weight	4.0 kg
Transport	CDM-0
Channel Separation	90 dB
Power Consumption	15 W
Frequency Response	20Hz to 20kHz
DAC	TDA1540
Output Voltage	2V

Summary

1. INTRODUCTION

2. P.W. BOARDS

3. DRAWER MOTOR CONTROL P.W. BORAD WORKING PRINCIPLE

3.1 Drawer Motor Drive Circuit

Explains the operation of the drawer motor drive circuit and its components.

C. Explanation of overall operation

Details the step-by-step functioning of the drawer motor control circuit.

3.2 Remote Control Circuit

4. ADJUSTMENT PROCEDURES FOR DISC CLAMPER

4.1 Adjusting the height of the pressure ring holder

Provides instructions for adjusting the pressure ring holder height for optimal disc clamping.

5. VOLTAGE CONVERSION

6. SIGNAL BLOCK DIAGRAM

7. COMPONENT LOCATIONS (AND WIRE CONNECTIONS)

8. DIAGRAM AND COMPONENT LOCATIONS

8.1 Servo (P200) Schematic Diagram and Component Locations

Shows the schematic and component layout for the Servo P.W. Board (P200).

8.2 Decoder (P500) Schematic Diagram and Component Locations

8.3 Power Supply (P100) Schematic Diagram and Component Locations

8.4 Pre Amp. + Laser (AY40) Schematic Diagram and Component Locations

9. EXPLODED VIEW AND PARTS LIST

10. ELECTRICAL PARTS LIST

11. TECHNICAL SPECIFICATIONS

12. SCHEMATIC DIAGRAM