Marantz MR235 User Manual

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Marantz MR235 Specifications

General

Brand	Marantz
Model	MR235
Category	Stereo Receiver
Language	English

Summary

Marantz Design and Service

Ordering Parts

Procedures and information required for ordering Marantz replacement parts.

Overseas Parts Ordering

Contact addresses for ordering Marantz parts in Canada, Australia, Japan, and Europe.

Introduction

Printed Circuit Board (P.W. Board) Identification

Tuner Board (P100)

Identifies the tuner unit mounted on P.W. Board P100.

Phono Amp Board (P400)

Identifies the phono amplifier unit mounted on P.W. Board P400.

Main Amp & Power Supply Board (P700)

Identifies the main amplifier and power supply unit on P.W. Board P700.

Antenna Input Board (PCOO)

Identifies the antenna input unit on P.W. Board PC00.

Tone Amp Board (PE00)

Identifies the tone amplifier unit on P.W. Board PE00.

Power Transistor Board (PN01)

Identifies the power transistor unit on P.W. Board PN01.

Filter & Switch Board (PS00)

Identifies the filter and switch unit on P.W. Board PS00.

LED Board (PY01)

Identifies the LED unit mounted on P.W. Board PY01.

Test Equipment for Servicing

Alignment Procedures

FM Alignment Procedures

Step-by-step instructions for FM IF, FM RF, and Muting circuit alignment.

Multiplex Alignment Procedures

Procedures for aligning the multiplex stereo decoder section.

AM Alignment Procedures

Step-by-step instructions for AM IF and AM RF alignment procedures.

Audio Alignment Procedures

Procedures for aligning the audio circuits.

Voltage Conversion

Diagrams

Block Diagram

Provides a high-level functional overview of the receiver's internal signal flow.

Tuner Board Schematic and Component Locations (P100)

Phono Amp Board Schematic and Component Locations (P400)

Main Amp & Power Supply Board Schematic and Component Locations (P700)

Antenna Input Board Schematic and Component Locations (PCOO)

Tone Amp Board Schematic and Component Locations (PE00)

Power Transistor Board Schematic and Component Locations (PN01)

Filter & Switch Board Schematic and Component Locations (PS00)

LED Board Schematic and Component Locations (PY01)

Exploded Views and Parts List

Front Panel

Exploded view and parts list for the front panel assembly.

Lid (Top Cover) Exploded View and Parts List

Rear Panel Exploded View and Parts List

Front Chassis and General Parts Exploded View and Parts List

Assembled P.W. Boards and Other Parts Exploded View and Parts List

Packing Materials Exploded View and Parts List

Electrical Parts List

Tuner Circuit Board (P100) Parts

List of electrical parts specific to the Tuner circuit board (P100).

Tuner Board Capacitors (P100)

List of capacitors for the P100 Tuner board.

Tuner Board Resistors (P100)

List of resistors for the P100 Tuner board.

Tuner Board Semiconductors (P100)

Tuner Board Miscellaneous (P100)

List of miscellaneous parts for the P100 Tuner board.

Phono Circuit Board (P400) Parts

Phono Board Capacitors (P400)

List of capacitors for the P400 Phono board.

Phono Board Resistors (P400)

List of resistors for the P400 Phono board.

Phono Board Semiconductors (P400)

List of semiconductors for the P400 Phono board.

Phono Board Miscellaneous (P400)

List of miscellaneous parts for the P400 Phono board.

Main Amp & Power Supply Board (P700) Parts

P700 Capacitors

List of capacitors for the P700 Main Amp/Power Supply board.

P700 Resistors

List of resistors for the P700 Main Amp/Power Supply board.

P700 Semiconductors

List of semiconductors for the P700 Main Amp/Power Supply board.

Tone Amp Board (PE00) Parts

PE00 Capacitors

List of capacitors for the PE00 Tone Amp board.

PE00 Resistors

List of resistors for the PE00 Tone Amp board.

PE00 Semiconductors

List of semiconductors for the PE00 Tone Amp board.

PE00 Miscellaneous

List of miscellaneous parts for the PE00 Tone Amp board.

Technical Specifications

Amplifier Section Specifications

Specifications related to the amplifier's power output, distortion, and frequency response.

Tuner Section Specifications

Specifications for FM and AM tuner sensitivity, selectivity, and distortion.

General Specifications

General specifications including power requirements, dimensions, and weight.

Audio Section Performance

FM Tuner Performance

AM Tuner Performance

Schematic Diagram