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Marantz SR390 User Manual

Marantz SR390
34 pages
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Marantz SR390 Specifications

General IconGeneral
Total Harmonic Distortion0.08%
Power Output50 watts per channel into 8Ω (stereo)
Frequency Response20Hz-20kHz
Input Sensitivity200mV
Signal to Noise Ratio80dB
Speaker Load Impedance8Ω to 16Ω
Video Connectionscomposite
Tuning rangeFM
Video Inputs1 composite
Video Outputs1 composite video output
Audio Outputstape, video

Summary

Marantz Design and Service

Ordering Parts

Instructions for ordering replacement parts for Marantz equipment.

Shock and Fire Hazard Service Test

Safety precautions for testing and servicing the appliance before returning to the customer.

Technical Specifications

FM Tuner Section

Technical details for the FM tuner functionality.

AM Tuner Section

Technical details for the AM tuner functionality.

Audio Section

Technical details for the audio output and performance.

Video Section

Technical details for the video input/output specifications.

Dimensions and Weight

Physical dimensions and weight of the audio/video receiver.

Wiring Diagram

Block Diagram

Input Circuit Schematics and PCB

Input Circuit Diagrams

Video Circuit Diagrams

Video Schematics and PCB Layout

Tuner Circuit Diagrams

Tuner PCB Layout

Surround PCB Layout

Surround Circuit Schematics

Amplifier Schematics

Amplifier PCB Layout

Speaker and Power Schematics

Speaker and Power PCB Layouts

Control and Front Circuitry

Speaker Switch and Headphone

Details on speaker selection switches and headphone output circuitry.

Auxiliary Input

Schematic for the auxiliary input section.

Control PCB Layout

Volume Control Circuit

PCB layout and details for the volume control circuit.

Microprocessor Descriptions

Measurements and Adjustments

FM/AM Tracking Voltage Adjustment

Procedure for adjusting the tracking voltage for FM and AM signals.

AM RF Adjustment

Procedure for adjusting the RF parameters for the AM tuner.

FM RF Adjustment

Procedure for adjusting the RF parameters for the FM tuner.

FM Mono Distortion Adjustment

Procedure for adjusting the mono distortion in the FM tuner.

FM MPX VCO Adjustment

Procedure for adjusting the FM multiplex VCO for optimal performance.

FM Stereo Separation Adjustment

Procedure for adjusting the stereo separation for FM signals.

AM/FM Auto Stop Level Adjustment

Procedure for adjusting the auto stop levels for AM and FM tuning.

Exploded View and Parts List

Parts List Details

Electrical Parts List - Resistors and Capacitors

Resistor Part Codes

Common part codes and specifications for resistors used in the unit.

Capacitor Part Codes

Common part codes and specifications for capacitors used in the unit.

Safety Notes and Abbreviations

Important safety warnings regarding component replacement and common abbreviations used.

Electrical Parts List - Components

Electrical Parts List - Circuit Boards

Electrical Parts List - ICs and Transistors

Electrical Parts List - Connectors and Diodes

Electrical Parts List - Transistors and Resistors

Electrical Parts List - Miscellaneous and Capacitors

Electrical Parts List - ICs and Diodes

Electrical Parts List - Connectors and ICs

Electrical Parts List - Final Components

Electrical Parts List - Miscellaneous Items

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