Aiwa SX-NSZ53 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 SX-NSZ53 Specifications

General

Brand	Aiwa
Model	SX-NSZ53
Category	Stereo System
CD Player	Yes
Remote Control	Yes
Tuner Bands	FM
Output Power	50 W
Frequency Response	40Hz - 20kHz
Inputs	AUX

Summary

Product Specifications

Laser Safety Precautions

Laser Beam Servicing Warnings

Provides critical warnings and cautions regarding laser beam exposure during servicing procedures.

Optical Block Replacement Precautions

Advises on precautions for handling electrostatic discharge when replacing the optical block.

Pre-Repair Procedures

Discharging Power Supply Capacitors

Details the procedure for safely discharging electrolytic capacitors in the power supply block before repair.

Microcomputer Pre-Exchange Checks

Microcomputer Troubleshooting Procedures

Forced Reset Procedure

Microcomputer Soldering Check

Grid and Anode Connection Diagrams

Main Circuit Board Schematics and IC Diagrams

Integrated Circuit Block Diagrams

Shows block diagrams and pin assignments for key integrated circuits used in the system.

Tuner Section Schematic Diagram

PT Section Schematics and Wiring

Front Circuit Board Wiring and Schematics

Adjustment Procedures

Tuner Section Adjustments

Details adjustment procedures for clock frequency, VT, and tracking in the tuner section.

Deck Section Adjustments

Covers adjustments for tape speed, head azimuth, PB frequency response, and sensitivity for the deck mechanism.

Front Section Adjustments

Explains the adjustment procedure for the µ-CON OSC in the front section.

Adjustment Procedures (Continued)

IC Block Diagrams and Descriptions

Integrated Circuit Descriptions

Integrated Circuit Descriptions (Continued)

IC Pin Function Details

Detailed Adjustment Procedures

Tuner Section Adjustments (Detailed)

Offers specific settings, locations, and methods for tuner adjustments like VT and tracking.

Deck Section Adjustments (Detailed)

Details specific settings, locations, and methods for deck adjustments like tape speed and frequency response.

Front Section Adjustments (Detailed)

Speaker Assembly and Disassembly