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Marantz MR230 User Manual

Marantz MR230
28 pages
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model
1530/MR230/MR235
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Marantz MR230 Specifications

General IconGeneral
Power Output30 watts per channel into 8Ω (stereo)
Frequency Response20Hz to 20kHz
Total Harmonic Distortion0.1%
Tuning RangeFM, MW
Speaker load impedance8 ohms

Summary

Marantz Design and Service Information

Ordering Parts

Instructions for ordering Marantz stereo parts within the US.

Overseas Parts Ordering

Addresses for ordering Marantz parts from international locations.

Introduction and Receiver Overview

P.W. Boards Identification

Identifies the various Printed Wiring (P.W.) boards used in the receiver.

Servicing Procedures and Requirements

Test Equipment for Servicing

Lists test equipment and their specific uses for servicing the receiver.

Alignment Procedures

Step-by-step guide for FM, Multiplex, AM, and Audio circuit alignment.

Voltage Conversion

Instructions for converting the unit to different AC power source voltages.

System Diagrams and Schematics

Block Diagram

A functional block diagram illustrating the receiver's signal path and components.

Tuner Board Schematic (P100)

Detailed schematic and component locations for the tuner board.

Phono Amp Board Schematic (P400)

Detailed schematic and component locations for the phono amplifier board.

Main Amp & Power Supply Schematic (P700)

Schematic and component layout for the main amplifier and power supply board.

Antenna Input Board Schematic (PCOO)

Schematic and component locations for the antenna input board.

Tone Amp Board Schematic (PEOO)

Schematic and component locations for the tone amplifier board.

Power Transistor Board Schematic (PN01)

Schematic and component locations for the power transistor board.

Filter & Switch Board Schematic (PS00)

Schematic and component locations for the filter and switch board.

LED Board Schematic (PY01)

Schematic and component locations for the LED indicator board.

Exploded Views and Parts Lists

Front Panel Parts List

Exploded view and parts list for the front panel assembly.

Lid (Top Cover) Parts List

Exploded view and parts list for the unit's lid or top cover.

Rear Panel Parts List

Exploded view and parts list for the rear panel assembly.

Front Chassis and General Parts List

Exploded view and parts list for the front chassis and other general components.

Assembled P.W. Boards Parts List

Exploded view and parts list for assembled P.W. boards and additional parts.

Packing Materials List

List of packing materials used for shipping the unit.

Electrical Components by Board

P100 Tuner Board Components

Capacitors, resistors, and semiconductors for the P100 tuner board.

P100 Capacitors

Capacitors for the P100 tuner circuit board.

P100 Resistors

Resistors for the P100 tuner circuit board.

P100 Semiconductors

Semiconductors for the P100 tuner circuit board.

P100 Miscellaneous Parts

Miscellaneous parts for the P100 tuner board.

P400 Phono Board Components

Capacitors, resistors, semiconductors, and miscellaneous parts for the P400 phono board.

P400 Capacitors

Capacitors for the P400 phono board.

P400 Resistors

Resistors for the P400 phono board.

P400 Semiconductors

Semiconductors for the P400 phono board.

P400 Miscellaneous Parts

Miscellaneous parts for the P400 phono board.

P700 Capacitors

Capacitors for the P700 main amp/power supply board.

P700 Resistors

Resistors for the P700 main amp/power supply board.

P700 Semiconductors

Semiconductors for the P700 main amp/power supply board.

PE00 Capacitors

Capacitors for the PE00 tone amplifier board.

PE00 Resistors

Resistors for the PE00 tone amplifier board.

PE00 Semiconductors

Semiconductors for the PE00 tone amplifier board.

PE00 Miscellaneous Parts

Miscellaneous parts for the PE00 tone board.

PN01 Resistors

Resistors for the PN01 power transistor board.

PN01 Semiconductors

Semiconductors for the PN01 power transistor board.

PN01 Plug and Other Components

Plug and other components for the PN01 board.

PS00 Switch Circuit Board Components

Capacitors and resistors for the PS00 switch circuit board.

PP01 Fuse Circuit Board Components

Fuses and resistors for the PP01 fuse circuit board.

PY01 LED Circuit Board Components

Components for the PY01 LED circuit board.

Technical Specifications

Amplifier Section Specifications

Detailed performance specifications for the amplifier section.

AM/FM Tuner Section Specifications

Detailed performance specifications for the AM and FM tuner sections.

General Specifications

Overall specifications including power requirements, dimensions, and weight.

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