Aiwa NSX-K581 User Manual

SERVICE MANUAL
DATA
COMPACT DISC
STEREO SYSTEM
BASIC CD MECHANISM : 4ZG-1 VOS1RDSHM
BASIC TAPE MECHANISM : 2ZM-3MK2 YPR4NM
NSX-K581 HR
S/M Code No. 09-003-401-7S6
SUPPLEMENT
• This Service Manual is the "Supplement" and replaces "Simple Manual",
(S/M Code No. 09-002-406-6T4).
• This Service Manual contains information about the difference between
NSX-K581 (HR) and NSX-S555 (HR). If requiring other information, see
Service Manual of NSX-S555 (HR). (S/M Code No. 09-996-401-7R2)
• If requiring information about the CD mechanism, see Service Manual
of 4ZG-1 (S/M Code No. 09-985-249-8S2).
NSX-K581
SPEAKER
SYSTEM
CD
CASSEIVER
REMOTE
CONTROLLER
CX-NK581
SX-WNS555 RC-ZAS07

Aiwa NSX-K581 Specifications

General

Brand	Aiwa
Model	NSX-K581
Category	Stereo System
Language	English

Summary

Service Manual Overview

System Specifications

FM Tuner Section Specifications

Details of FM reception range, sensitivity, and antenna connection.

MW Tuner Section Specifications

Details of MW reception range, sensitivity, and antenna type.

SW Tuner Section Specifications

Details of SW reception range and antenna type.

Amplifier Section Specifications

Specifications for the amplifier's power output and distortion.

Cassette Deck Section Specifications

Technical specifications for the cassette playback and recording functions.

Compact Disc Player Section Specifications

Details on the laser, D-A converter, and audio/video data formats.

General Specifications

Overall power requirements and unit dimensions.

Speaker System SX-WNS555 Details

Cabinet type, speaker configuration, impedance, and output levels.

Electrical Main Parts List

Transistor Illustrations

FL Grid Assignment and Anode Connection

Grid Assignment Details

Mapping of grid pins to display segments.

Anode Connection Details

Wiring details for display anode connections.

IC Block Diagram

Wiring Diagram - 1 (Main / Key-Con)

Main Circuit Board Wiring

Wiring diagram for the main circuit board.

Schematic Diagram - 1 (Main 1/3: Amplifier)

Main Circuit Board Amplifier Section

Schematic diagram of the amplifier section on the main board.

Schematic Diagram - 2 (Main 2/3: Deck)

Head-2 Circuit Board Schematic

Schematic of the Head-2 circuit board.

Head-1 Circuit Board Schematic

Schematic of the Head-1 circuit board.

Main Circuit Board Deck Section

Schematic diagram of the deck section on the main board.

Schematic Diagram - 3 (Main 3/3: Key-Con)

Key Control Circuit Board Schematic

Schematic diagram for the key control circuit board.

Wiring Diagram - 2 (Front / Deck)

Front Circuit Board Wiring

Wiring diagram for the front circuit board.

Schematic Diagram - 4 (Front / Deck)

Front Circuit Board Schematic

Schematic diagram of the front circuit board.

Wiring Diagram - 3 (Power Supply)

Power Supply Circuit Board Wiring

Wiring diagram for the power supply circuit board.

Schematic Diagram - 5 (Power Supply)

Power Supply Circuit Board Schematic

Schematic diagram of the power supply circuit board.

Mechanical Exploded View

Mechanical Parts List

Color Name Table Reference

Reference table for color codes used in the manual.

Speaker Parts List

Accessories and Package List

List of included accessories and package contents.