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Marantz 4415 Service Manual

Marantz 4415
26 pages
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Marantz 4415 Specifications

General IconGeneral
Frequency Response20Hz to 20kHz
Total Harmonic Distortion0.8%
Tuning RangeFM, MW
Speaker Load Impedance4Ω to 16Ω
Power Output15 watts per channel
Input Sensitivity2.5mV (MM)

Summary

INTRODUCTION TO MARANTZ 4415 RECEIVER

SERVICE NOTES

Lists chassis units and their corresponding PC board designations.

AM TUNER OPERATION AND TROUBLESHOOTING

Explains AM tuner operation, components, and troubleshooting.

FM TUNER OPERATION AND TROUBLESHOOTING

Details FM tuner operation, circuits, and troubleshooting.

PHONO AND PRE-AMPLIFIER FUNCTIONS

Describes phono input, mode switch, and balance controls.

AMPLIFIER AND POWER SECTIONS

MAIN AMPLIFIER

Explains the pre-driver, driver, and power stage circuits.

POWER SUPPLY UNIT

Describes the power supply and voltage regulation.

AUDIO TROUBLE ANALYSIS

Lists common audio problems and initial checks.

SERVICING PROCEDURES

TEST EQUIPMENT REQUIRED FOR SERVICING

Lists necessary test equipment and their uses.

AM ALIGNMENT PROCEDURE

Steps for aligning the AM tuner section.

FM ALIGNMENT PROCEDURE

Steps for aligning the FM tuner section.

ADJUSTMENTS

AUDIO ADJUSTMENT

Procedures for adjusting audio output levels and clipping.

AUTOMATIC VOLTAGE REGULATOR ADJUSTMENT

Procedure for adjusting the voltage regulator.

TECHNICAL SPECIFICATIONS

FM SECTION SPECIFICATIONS

Lists technical specifications for the FM tuner.

AM SECTION SPECIFICATIONS

Lists technical specifications for the AM tuner.

AUDIO SECTION SPECIFICATIONS

Lists technical specifications for the audio circuits.

GENERAL SPECIFICATIONS

General specifications like power requirements.

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