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SERVICE MANUAL
COMPACT DISC
STEREO SYSTEM
SYSTEM
NSX–BL54
NSX–AJ54
• If requiring information about the CD mechanism, see Service Manual of
AZG-1 ZD8RDC (S/M Code No. 09-001-335-3NA)/
AZG-1 YKZD8RDF (S/M Code No. 09-001-335-3N6).
NSX-BL54
NSX-AJ54
BASIC TAPE MECHANISM : 2ZM-3MK2 YPR4N(LH)
BASIC TAPE MECHANISM : ZZM-3 PR1NF(U)
BASIC CD MECHANISM : AZG-1 ZD8RDC(LH)
BASIC CD MECHANISM : AZG-1 YKZD8RDF(U)
CD
CASSEIVER
CX–NBL54
SX–WNBL53
CX–NAJ54
SX–WNAJ53
S/M Code No. 09-002-429-5N3
REMOTE
SPEAKER
CONTROLLER
RC–ZAS01
RC–ZAS02
LH
U
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Table of Contents
Related Manuals for Aiwa CX-NAJ54 SX-WNAJ53
Summarization of Contents
SERVICE MANUAL
COMPACT DISC STEREO SYSTEM
Identifies the product type as a compact disc stereo system.
SPECIFICATIONS
Main Unit Specifications
Technical specifications for the main CX-NBL54/CX-NAJ54 unit.
Compact Disc Player Specifications
Technical specifications for the CD player section.
Speaker System Specifications
Technical specifications for the SX-WNBL53/SX-WNAJ53 speaker system.
Cassette Deck Specifications
Technical details regarding the cassette deck functionality.
Accessories List
Lists all included accessories with the unit.
Laser Safety Precautions
Warning on Laser Beam Exposure
Critical safety warning about direct eye exposure to laser beams during servicing.
Precaution for Optical Block Replacement
Steps to prevent damage and ensure safety when replacing optical components.
Laser Product Classification
States the unit is classified as a Class 1 Laser Product.
Pre-Repair Procedures
Electrolytic Capacitor Discharge Procedure
Method for safely discharging power supply capacitors before starting repair.
Microcomputer Exchange Checks
Essential checks before replacing the microcomputer to avoid unnecessary replacement.
HOLD Terminal Check
How to verify the HOLD terminal status of the microcomputer.
Pre-Repair Procedures
Microcomputer Reset Procedure
Steps for performing a forced reset on the microcomputer.
Microcomputer Solder State Confirmation
How to check the microcomputer's soldering for potential faults.
Electrical Main Parts List
Integrated Circuits (IC)
List of IC components used in the main unit.
Transistors
List of transistor components used in the main unit.
Diodes
List of diode components used in the main unit.
Main Circuit Board (MAIN C.B) Components
List of components mounted on the main circuit board.
Electrical Main Parts List
Capacitors
Comprehensive list of capacitor components.
Electrical Main Parts List
Connectors
List of various connectors used in the unit.
Coils
List of coil components.
Resistors
List of resistor components.
Front Circuit Board (FRONT C.B) Components
List of components on the front circuit board.
LEDs and Switches
Lists Light Emitting Diodes and switches used in the unit.
Electrical Main Parts List
Chip Resistor Coding System
Explains the coding system for chip resistors, including size and value.
Transistor Illustrations
Transistor Pinout Diagrams
Visual representations of various transistor types and their pinouts.
FL Display Grid and Anode Connections
Grid Assignment Details
Shows the assignment of pins for the FL display grid.
Anode Connection Details
Details the connection points for the FL display anodes.
Schematic Diagram: PT Section
PT Section Wiring Diagrams
Wiring diagrams for the PT section, covering LH and U models.
Integrated Circuit Diagrams
IC BA3835F Diagram
Pinout and internal block diagram for the BA3835F IC.
IC BU2092F Diagram
Pinout and internal block diagram for the BU2092F IC.
IC M61503FP Diagram
Pinout and internal block diagram for the M61503FP IC.
IC Pin Descriptions
LC866548V IC Pin Details
Detailed description of pins for LC866548V-5P87 (U) and -5P40 (LH) ICs.
IC Pin Descriptions
Further IC Pin Functionality
Additional pin functions and I/O details for various ICs.
Adjustment Procedures
Tuner Section Adjustments
Procedures for adjusting tuner section frequencies and responses.
Deck Section Adjustments
Procedures for adjusting tape speed, azimuth, and frequency response.
Front Section Adjustments
Procedures for adjusting the microcomputer's oscillator frequency.
Mechanical Parts List
Color Name Table
Table mapping basic color symbols to their corresponding colors.
Speaker Disassembly Instructions
Speaker Unit and Panel Removal
Instructions for removing speaker units and panels using specific tools.
Front Panel Removal Procedure
Detailed steps for safely removing the front speaker panel.
Front Panel Attachment Procedure
Steps for correctly reattaching the front speaker panel.
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