Aiwa NSX-BL44 G User Manual

SERVICE MANUAL
DATA
NSX–BL44
(G)
RC–ZAS01
SYSTEM
CD
CASSEIVER
REMOTE
CONTROLLER
CX–NBL44
COMPACT DISC
STEREO SYSTEM
BASIC TAPE MECHANISM : 6ZM-3 PR2NM(44/46)
BASIC TAPE MECHANISM : 6ZM-3 YPR2N(DR6)
BASIC CD MECHANISM : AZG-1 ZA3RDM(44/46)
BASIC CD MECHANISM : AZG-1 YZA3RDM(DR6)
NSX-BL44
NSX-BL46
NSX-DR6
EZ,K,G
EZ
EZ
S/M Code No. 09-002-429-5N2
If requiring information about the CD mechanism, see Service Manual of AZG-1
(S/M Code No. 09-001-335-3NC).
SPEAKER
SX-NSZ53
NSX–BL44
(EZ/K)
CX–NBL44 SX–NBL40
NSX–BL46
(EZ)
NSX–DR6
(EZ)
CX–NDR6 SX–NBL40
CX–NBL46 SX–NBL42
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Aiwa NSX-BL44 G Specifications

General

Brand	Aiwa
Model	NSX-BL44 G
Category	Stereo System
CD Player	Yes
Remote Control	Yes
Speakers quantity	2
Type	Mini Hi-Fi System
Cassette Deck	Yes
Radio	AM/FM
Connectivity	Auxiliary input
Functions	CD, Radio, Cassette

Summary

SPECIFICATIONS

Main Unit Specifications (CX-NBL44, CX-NBL46, CX-NDR6)

Details the main unit's technical specifications and features.

Tuner Sections (FM, AM, LW)

Covers technical details for FM, AM, and LW tuner sections.

Amplifier and Cassette Deck Specs

Details amplifier output and cassette deck technical parameters.

Compact Disc Player and General Specs

Provides CD player specifications and general operational parameters.

Speaker System Specifications

Details the technical specifications for the SX-NBL40, SX-NBL42, SX-NSZ53 speaker systems.

ACCESSORIES LIST

SERVICING SAFETY AND PRECAUTIONS

Laser Beam Protection During Servicing

Provides essential warnings and precautions for protecting eyes from laser radiation.

Optical Block Replacement Precautions

Outlines necessary steps and precautions for safely replacing the optical block.

REPAIR PREPARATION NOTES

Forced Discharge of Power Supply Capacitors

Explains the procedure for safely discharging electrolytic capacitors before starting repairs.

Microcomputer Exchange Pre-Checks

Details checks required before replacing the microcomputer, including HOLD terminal status.

MICROCOMPUTER DIAGNOSTIC PROCEDURES

Forced Reset Procedure

Describes how to perform a forced reset on the microcomputer to check its functionality.

Soldering State Confirmation

Details how to check the soldering quality of the microcomputer for proper operation.

ELECTRICAL MAIN PARTS LIST

Integrated Circuits (ICs)

Lists integrated circuits used in the main unit with part numbers and descriptions.

Transistors

Lists transistors used in the main unit with part numbers and descriptions.

Diodes

Lists diodes used in the main unit with part numbers and descriptions.

Main Circuit Board Components

Lists components specific to the main circuit board with part numbers.

CIRCUIT BOARD COMPONENT LISTS

Deck Circuit Board Components

Lists components found on the Deck Circuit Board (C.B).

Head-1 Circuit Board Components

Lists components found on the Head-1 Circuit Board (C.B).

PT Circuit Board Components

Lists components found on the PT Circuit Board (C.B).

CHIP RESISTOR PART CODE

Resistor Coding System Explained

Explains the system used for coding chip resistors and their values.

TRANSISTOR ILLUSTRATIONS

Common Transistor Pinout Diagrams

Illustrates the pin configurations for various transistors used in the equipment.

CONNECTOR PIN ASSIGNMENTS

Grid Assignment Details

Details the pin assignments for the FL (HNA-11MM30) connector grids.

Anode Connection Assignments

Details the anode connection assignments for various connectors and boards.

SYSTEM DIAGRAMS AND WIRING

Main C.B. Schematics (Function/Amp)

Schematics for Main C.B. function and amplifier sections.

Main C.B. Schematics (Tuner Section)

Schematics for the Main C.B. tuner section.

Main C.B. Wiring

Illustrates the wiring connections for the Main Circuit Board.

PT & Deck C.B. Schematics/Wiring

Schematics and wiring for PT and Deck Circuit Boards.

Front C.B. Wiring

Illustrates the wiring connections for the Front Circuit Board.

IC Block Diagrams

Diagrams showing the internal blocks of key integrated circuits.

IC DESCRIPTIONS

LC866560W/LC866548V IC Pin Details

Details the pin functions and descriptions for the LC866560W and LC866548V integrated circuits.

ADJUSTMENT PROCEDURES

Main Circuit Board Adjustments

Covers adjustments for the Main Circuit Board, including tuner and AM IF sections.

Deck Mechanism Adjustments

Details adjustment procedures for Deck 1 and Deck 2 mechanisms, including tape speed and azimuth.

Front Circuit Board Adjustments

Describes the adjustment procedure for the µ-CON OSC on the Front Circuit Board.

MECHANICAL EXPLODED VIEWS

CD Mechanism Exploded View

Provides a detailed exploded view of the CD mechanism (AZG-1).

Tape Mechanism Exploded View

Provides a detailed exploded view of the tape mechanism (6ZM-3).

MECHANICAL MAIN PARTS LIST

Chassis and Housing Parts

Lists mechanical parts for the chassis, windows, panels, and covers.

Knobs, Springs, and Mechanisms

Lists mechanical parts like knobs, springs, levers, and mechanism components.

MECHANISM MAIN PARTS LIST (Tape)

Tape Mechanism (6ZM-3) Parts

Lists parts for the 6ZM-3 PR2NM (44/46) and 6ZM-3 YPR2N (DR6) tape mechanisms.

MECHANISM EXPLODED VIEWS (Tape)

Tape Mechanism (6ZM-3) Exploded View

Provides exploded views of the 6ZM-3 PR2NM and 6ZM-3 YPR2N tape mechanisms.

SPEAKER DISASSEMBLY AND PARTS

Speaker Disassembly Procedures

Provides instructions on how to disassemble speaker units.

Speaker Parts Lists (SX-NBL40, SX-NBL42, SX-NSZ53)

Lists the parts for various speaker models.