Marantz 7T Service Manual

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aranil

model 7T

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SECTION

TABLE OF CONTENTS

Introduction

Functional Description

Technical Specifications

Test Equipment Required for Servicing

Conversion to 240 Volt Operation

Performance Verification Test

Trouble Analysis
Voltage Chart

Parts List

FIGURE

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LIST OF ILLUSTRATIONS

TITLE

Model 7T Stereo Console, Block Diagram

Phone and Tape Equalization Characteristics

Tone Control Characteristics

Low-Frequency and High-Frequency Filter Characteristics
240 Volt Conversion Diagram

Performance Verification Test Set-Up

Main Chassis Component and Board Assembly Locations
Low-Level Amplifier Board 11-1026, Component Locations
Recording Output RAEF Board 11~1028, Component Locations
Tone Amplifier Board 11-1027, Component Locations
Main Output RAEF Board 11-1029, Component Locations
High-Low Filter Board 11-1025, Component Locations
Power Supply Board 11-1030 Component Locations
Selector Switch 81, Component Locations

Output Level Switch 89, Component Locations

Bass Control Switch S7 (Left), Component Locations
Bass Control Switch 38 (Right), Component Locations
Treble Control Switch 85 (Left), Component Locations
Treble Control Switch 86 (Right), Component Locations

Model 7T Stereo Console, Schematic Diagram, Serial Nos.
10,000 through 12,500

Model 7T Stereo Console, Schematic Diagram, Serial Nos.
12,501 through 15,000

Model 7T Stereo Console, Schematic Diagram, Serial Nos.

PAG E

(030301er-

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15,001 and up 23/24