Marantz SR4021 Service Manual

SR4021
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
SR4021
Receiver
SR4021 /
N1B/N1S/U1B
Part no. 90M13CW855010
First Issue 2006.06
MZ
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2.
SOFTWARE VERSION CHECK ........................................................................................2
3. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ................................ 2
4. WIRING DIAGRAM .............................................................................................................. 3
5. BLOCK DIAGRAM ............................................................................................................... 5
6. SCHEMATIC DIAGRAM ...................................................................................................... 7
7. PARTS LOCATION .............................................................................................................11
8. MICROPROCESSOR AND IC DATA ...................................................................................21
9. EXPLODED VIEW AND PARTS LIST ............................................................................... 25
10. SERVICE PROCEDURE .................................................................................................... 29
11. ELECTRICAL PARTS LIST ................................................................................................ 30
RECORDER
RECORDER
F/P
F/PBAND
BALANCE
BALANCE
SPEAKERS
SPEAKERS
2
SOURCE
SOURCE
DIRECT
DIRECT
SPEAKERS
DISPLAY OFF
DISPLAY OFF
2
1
BASS
TREBLE
TREBLE
VCR
T-MODE
T-MODE
CLEAR
CLEAR
AUTO TUNE
AUTO TUNE
MEMORY
MEMORY
1
DVD
DVD
DSS
DSS21 AUXTUNERCDPHONO
DOWN
DOWN
VOLUME
VOLUME
MULTI JOG
MULTI JOG
UP
RECEIVER SR4021
RECEIVER SR4021
SLEEP
SLEEP
DIMMER
DIMMER
MUTE
MUTE
STANDBY
STANDBY
PHONES
PHONES
POWER ON/OFF
POWER ON/OFF

Marantz SR4021 Specifications

General

Brand	Marantz
Model	SR4021
Category	Receiver
Language	English

Summary

Marantz Design and Service

Ordering Replacement Parts

Details on how to order replacement parts from Marantz subsidiaries or agents.

Shock and Fire Hazard Service Test

Safety test procedure involving resistance measurement before returning the unit to the customer.

Technical Specifications

FM Tuner Specifications

Technical specifications for the FM tuner, including frequency range, sensitivity, and distortion.

AM Tuner Specifications

Technical specifications for the AM tuner, including frequency range, sensitivity, and distortion.

Audio Specifications

Technical specifications for the audio output, including rated power, THD, and input sensitivity.

Unit Dimensions

Physical dimensions of the SR4021 receiver unit.

Software Version Check

Microprocessor Replacement Guidelines

Wiring Diagram

Block Diagram

Schematic Diagram

Parts Location Guide

Microprocessor and IC Data

IC91: TMP87PM78F Details

Detailed data and pin functions for IC91, the TMP87PM78F microprocessor.

IC22: TC9163AF Details

Detailed data and pin functions for IC22, the TC9163AF.

IC23: TC9164AF Details

Detailed data and pin functions for IC23, the TC9164AF.

Exploded View and Parts List

Service Procedure

Tuner Alignment Instructions

Instructions and necessary equipment for performing tuner alignment procedures.

Tuner Alignment Procedure

Step-by-step guide for aligning the tuner, including required signal parameters.

Tuner Alignment Points

Visual reference showing specific adjustment points on the tuner module for alignment.

Electrical Parts List

Resistor Parts List

List of resistors with part numbers, values, and specifications.

Capacitor Parts List

List of capacitors, including ceramic and electrolytic types, with specifications.

Fusible Resistor Safety Notes

Important safety notes and supplier information for fusible resistors.

General Safety Precautions

Safety warnings regarding part replacement and potential fire or shock hazards.