Marantz SC7S1/F1N User Manual

SC-7S1
Part no 340J855020
First Issue 2003.09
ecm
Service
Manual
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
SC7S1 /F1N/N1G/U1G
Stereo Control Amplifier
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS........................................................................... 1
2. BLOCK DIAGRAM ................................................................................................ 3
3. SCHEMATIC DIAGRAM ....................................................................................... 5
4. PARTS LOCATION............................................................................................. 13
5. IC DATA .............................................................................................................. 19
6. EXPLODED VIEW AND PARTS LIST ................................................................ 23
7. SERVICE MODE ................................................................................................ 26
8. BUS SPECIFICATIONS...................................................................................... 30
9. ELECTRICAL PARTS LIST ................................................................................ 38
BALANCED
SACD
/ CD
LINE 1
DISPLAY
ATT
LINE 2
TAPE
A
SYNC B
input
input
selector
selector
power
power
stereo
stereo
control
control
amplifier
amplifier
sc
sc
-
7s1
7s1
volume
volume
SC-7S1
SC-7S1

Marantz SC7S1/F1N Specifications

General

Inputs	4 x Line
Power Supply	AC 120V, 60Hz
Power Output	70 W per channel (8 ohms)
Type	Stereo Integrated Amplifier
Signal-to-Noise Ratio	100dB (IHF-A)
Input Sensitivity	200 mV / 22 kΩ

Summary

Technical Specifications

Audio Characteristics

Details about audio performance parameters like rated output, THD, and frequency response.

Power Supply Specifications

Specifications related to power requirements and consumption.

General Specifications

General physical specifications including dimensions and weight.

Block Diagram

Schematic Diagram

Parts Location

IC Data

NJU3716/NJU3719 IC Pin Assignment and Description

Pinout diagram and functional description for NJU3716 and NJU3719 ICs.

WN8816 IC Pin Description

Pinout and functional description for the WN8816 IC.

LED Port Assignments

Details on LED port assignments for the ICs.

HD64F3664H Microcontroller Data

Pinout and functional details for the HD64F3664H microcontroller.

HD64F3664H Pin Description

Functional description for each pin of the HD64F3664H.

Exploded View and Parts List

Service Mode

Service Mode Operation Steps

Step-by-step guide to enter and operate the service mode.

Remote Commands Table for Service Mode

Table of remote commands and their functions for service mode.

Bus Specifications

Bus System Features

Overview of the bus system's capabilities and purpose.

Bus System Connections

Details on how units are physically connected in the bus system.

Bus System Operation

How the bus system operates and how units interact.

Electrical Parts List

Resistors and Capacitors Lists

Lists of common resistor and capacitor codes, types, and values.

Fuse and Resistor Safety Precautions

Precautions and guidelines for replacing fusible resistors and fuses.

Abbreviations and Safety Marks

Definitions of common terms and symbols used in the manual.