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Aiwa XR-MS3 - Service Manual

Aiwa XR-MS3
26 pages
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SERVICE MANUAL
DATA
COMPACT DISC
STEREO SYSTEM
BASIC TAPE MECHANISM : 2ZM-1 R10NM
BASIC CD MECHANISM : TN-CCD1001-902M
XR-MS3
EZ,K
S/M Code No. 09-007-422-6S1
SUPPLEMENT
This Service Manual is the “Supplement” and replaces “Simple Manual”
XR-MS3 (EZ,K), (S/M Code No. 09-004-422-6T2).
This Service Manual is for XR-MS3 (EZBM) Black color.
This Service Manual contains information about the difference between
XR-MS3 (EZBM,KSM) and XR-MS3 (EZ). If requiring the other information,
see Service Manual of XR-MS3 (U,EZ), (S/M Code No. 09-002-422-6R1).
This Service Manual does not include “CD ELECTRICAL SECTION”.
These items will be issued in the next Suplement.
XR-MS3
SYSTEM
SPEAKER
EZ : SX-M7
K : SX-MS7
REMOTE
CONTROLLER
EZ : RC-AAT03(B)
K : RC-AAT03
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Summary

Specifications Overview

Tuner System Specifications

Details on FM, MW, and LW tuner performance and connectivity.

Audio System Performance

Specifications for amplifier, CD, and cassette deck audio capabilities.

General and Speaker System Details

Covers power requirements, dimensions, weight, and speaker system characteristics.

Electrical Main Parts List

Integrated Circuit (IC) Components

List of integrated circuits used in the main circuitry.

Main and VM Circuit Wiring Diagrams

Main Circuit Board Wiring Layout

Diagram showing wiring connections for the main circuit board.

Main and Headphone Jack Schematics

Main Amplifier Circuit Schematic

Schematic detailing the amplifier section of the main circuit board.

Main Micom Circuit Schematic

Micom Section Circuit Diagram

Schematic diagram of the microcomputer control section.

Front and Headphone Jack Wiring Diagrams

Front Circuit Board Wiring Diagram

Wiring diagram for the front panel circuit board.

Front Circuit Board Schematic Diagram

Tape Circuit Board Wiring Diagram

Tape, Deck, and Relay Schematics

VM Circuit Board Schematic Diagram

Power Transformer Wiring Diagram

Power Transformer Schematic Diagram

EZ Tuner Circuit Board Wiring Diagram

EZ Tuner Circuit Schematic Diagram

K Tuner Circuit Board Wiring Diagram

K Tuner Circuit Schematic Diagram

Deck and Relay Wiring Diagrams

Mechanical Exploded View

Component Identification and Layout

Visual representation of internal components and their positions.

Mechanical Parts List

Component Parts Identification

Detailed list of mechanical parts with reference numbers.

Summary

Specifications Overview

Tuner System Specifications

Details on FM, MW, and LW tuner performance and connectivity.

Audio System Performance

Specifications for amplifier, CD, and cassette deck audio capabilities.

General and Speaker System Details

Covers power requirements, dimensions, weight, and speaker system characteristics.

Electrical Main Parts List

Integrated Circuit (IC) Components

List of integrated circuits used in the main circuitry.

Main and VM Circuit Wiring Diagrams

Main Circuit Board Wiring Layout

Diagram showing wiring connections for the main circuit board.

Main and Headphone Jack Schematics

Main Amplifier Circuit Schematic

Schematic detailing the amplifier section of the main circuit board.

Main Micom Circuit Schematic

Micom Section Circuit Diagram

Schematic diagram of the microcomputer control section.

Front and Headphone Jack Wiring Diagrams

Front Circuit Board Wiring Diagram

Wiring diagram for the front panel circuit board.

Front Circuit Board Schematic Diagram

Tape Circuit Board Wiring Diagram

Tape, Deck, and Relay Schematics

VM Circuit Board Schematic Diagram

Power Transformer Wiring Diagram

Power Transformer Schematic Diagram

EZ Tuner Circuit Board Wiring Diagram

EZ Tuner Circuit Schematic Diagram

K Tuner Circuit Board Wiring Diagram

K Tuner Circuit Schematic Diagram

Deck and Relay Wiring Diagrams

Mechanical Exploded View

Component Identification and Layout

Visual representation of internal components and their positions.

Mechanical Parts List

Component Parts Identification

Detailed list of mechanical parts with reference numbers.

Overview

The AIWA XR-MS3 is a compact disc stereo system, available in EZ and K models, with a black finish for the EZBM variant. This service manual serves as a supplement, replacing the "Simple Manual" XR-MS3 (EZ,K) (S/M Code No. 09-004-422-6T2). It specifically details the XR-MS3 (EZBM) black color model and provides information on the differences between XR-MS3 (EZBM,KSM) and XR-MS3 (EZ). For other information, users are directed to the Service Manual of XR-MS3 (U,EZ) (S/M Code No. 09-002-422-6R1). Note that the "CD ELECTRICAL SECTION" is not included in this manual and will be issued in a future supplement.

Function Description:

The XR-MS3 is a versatile stereo system integrating a compact disc player, a cassette deck, and a tuner, designed for comprehensive audio playback. It features a basic tape mechanism (2ZM-1 R10NM) and a basic CD mechanism (TN-CCD1001-902M). The system is equipped with speakers (SX-M7 for EZ, SX-MS7 for K) and a remote controller (RC-AAT03(B) for EZ, RC-AAT03 for K) for convenient operation.

Important Technical Specifications:

Amplifier Section:

  • Power Output:
    • Rated: 12 W + 12 W (6 ohms, T.H.D. 1%, 1 kHz / DIN 45500)
    • Reference: 15 W + 15 W (6 ohms, T.H.D. 10%, 1 kHz / DIN 45324)
    • DIN Music Power: 20 W + 20 W
  • Input:
    • VIDEO/AUX: EZ: 500 mV, K: 600 mV
  • Outputs:
    • SPEAKERS: Accepts speakers of 6 ohms or more.
    • PHONES: Stereo mini jack, accepts headphones of 16 ohms or more.
    • DIGITAL OUT: OPTICAL jack.

FM Tuner Section:

  • Tuning Range: 87.5 MHz to 108 MHz
  • Usable Sensitivity (IHF): 16.8 dBf
  • Antenna Terminals: 75 ohms (unbalanced)

MW Tuner Section:

  • Tuning Range: 530 kHz to 1710 kHz (10 kHz step) / 531 kHz to 1602 kHz (9 kHz step)
  • Usable Sensitivity: 350 µV/m
  • Antenna: Loop antenna

LW Tuner Section:

  • Tuning Range: 144 kHz to 290 kHz
  • Usable Sensitivity: 1400 µV/m
  • Antenna: Loop antenna

Compact Disc Player Section:

  • Laser: Semiconductor laser (λ = 780 nm)
  • D-A Converter: 1 bit dual
  • Signal-to-Noise Ratio: 85 dB (1 kHz, 0 dB)
  • Harmonic Distortion: 0.05% (1 kHz, 0 dB)
  • Wow and Flutter: Unmeasurable

Cassette Deck Section:

  • Track Format: 4 tracks, 2 channels stereo
  • Frequency Response:
    • CrO2 tape: 50 Hz – 16000 Hz
    • Normal tape: 50 Hz – 15000 Hz
  • Signal-to-Noise Ratio: 60 dB (Dolby B NR ON, CrO2 tape peak level)
  • Recording System: AC bias
  • Heads: Recording / Playback head x 1, erase head x 1

General:

  • Power Requirements: 230 V AC, 50 Hz
  • Power Consumption: EZ: 57 W, K: 68 W
  • Standby Power Consumption: EZ: 1.7 W (power-economizing mode set to ON) / K: 1.8 W (power-economizing mode set to ON)
  • Dimensions of Main Unit (W x H x D): 100 x 210.6 x 271.5 mm (4 x 8 3/8 x 10 3/4 in.)
  • Weight of Main Unit: 3.8 kg (8 lbs 6 oz.)

Speaker System:

  • Cabinet Type: 2 way, bass reflex (magnetic shielded type)
  • Speakers: Woofer: 85 mm, Tweeter: 22 mm dome type
  • Impedance: 6 ohms
  • Output Sound Pressure Level: 86 dB/W/m
  • Dimensions (W x H x D): 100 x 206 x 188 mm (4 x 8 1/8 x 7 1/2 in.)
  • Weight: 1.5 kg (3 lbs 5 oz.)

Usage Features:

The XR-MS3 offers a comprehensive audio experience with its integrated CD player, cassette deck, and tuner. The inclusion of a remote controller enhances user convenience, allowing control from a distance. The system's compact dimensions make it suitable for various living spaces. The magnetic shielded speakers ensure minimal interference with other electronic devices. The presence of a digital optical output allows for high-quality audio connection to compatible external devices. The system also features a headphone jack for private listening.

Maintenance Features:

The service manual provides detailed electrical main parts lists, wiring diagrams, and schematic diagrams for various sections of the device, including the main C.B (amplifier and micon sections), front C.B, HP-Jack C.B, PT C.B, tuner C.B, tape C.B, deck C.B, and relay C.B. These resources are crucial for troubleshooting, repair, and replacement of components. The mechanical exploded view and mechanical parts list facilitate the disassembly and reassembly of the unit for maintenance purposes. The manual also includes a color name table for easy identification of components. The specifications highlight the use of Dolby noise reduction and BBE Sound technologies, which may require specific maintenance procedures as outlined by their respective licensing corporations. Design and specifications are subject to change without notice, indicating that users should refer to the latest available documentation for the most accurate information.

Aiwa XR-MS3 Specifications

General IconGeneral
BrandAiwa
ModelXR-MS3
CategoryStereo System
LanguageEnglish

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