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Marantz 1040 Service Manual

Marantz 1040
22 pages
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Marantz 1040 Specifications

General IconGeneral
Power Output20 watts per channel into 8Ω (stereo)
Total Harmonic Distortion0.5%
Damping Factor45
Input Sensitivity2.2mV (MM), 180mV (line)
Signal to Noise Ratio90dB (line)
Semiconductors13 diodes

Summary

Pre-Amplifier Stage

Main Amplifier Circuitry

Power Supply Unit Operation

Trouble Analysis and Solutions

Power Amplifier Adjustment Procedures

Performance Verification Tests

Test Equipment Requirements

Lists required test equipment for performance verification.

Preliminary Setup Procedures

Setup and initial control settings for performance testing.

Total Hum and Noise Measurement

Procedure to measure hum and noise levels accurately.

Maximum Power Output Determination

Steps to determine the unit's maximum power output.

Harmonic Distortion Measurement

Method for measuring harmonic distortion at various frequencies.

Channel Separation Test

Test for measuring channel separation performance.

Test Equipment for Servicing

Parts List

P400 & PE01 Resistors

Resistors for the Phono and Tone Amplifier circuit boards.

P400 & PE01 Capacitors

Capacitors for the Phono and Tone Amplifier circuit boards.

P400 & PE01 Miscellaneous Parts

Miscellaneous parts for the Phono and Tone Amplifier boards.

Technical Specifications Overview

Service Information for European Model

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