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Aiwa NSX-SZ22 User Manual

Aiwa NSX-SZ22
32 pages
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SERVICE MANUAL
DATA
COMPACT DISC
STEREO SYSTEM
BASIC TAPE MECHANISM : ZZM-3 PR1NM / YPR1NF
BASIC CD MECHANISM : AZG-1 ZD8RDM / YZD8RDM
NSX-SZ20
NSX-SZ22
NSX-SZ27
EZ, K
EZ
EZ
S/M Code No. 09-003-423-4R2
REVISION
• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
NSX-SZ20/22 (EZ), (S/M Code No. 09-99C-423-4T2) and NSX-SZ27 (EZ),
(S/M Code No. 09-001-423-4T3).
• If requiring information about the CD mechanism, see Service Manual
of AZG-1, (S/M Code No. 09-001-335-3N6).
NSX-SZ20
SPEAKER
SYSTEM
CD
CASSEIVER
REMOTE
CONTROLLER
NSX-SZ22
CX-NSZ20 SX-NSZ20
CX-NSZ22 SX-NSZ22
RC-ZAS02
NSX-SZ27 CX-NSZ27 SX-NSZ20
RC-ZAS17
SYSTEM TAPE MECHANISM CD MECHANISM
ZZM-3 PR1NM
AZG-1 ZD8RDM
NSX-SZ20<K>
NSX-SZ20<EZ>
NSX-SZ22<EZ>
NSX-SZ27<EZ>
ZZM-3 YPR1NF AZG-1 YZD8RDM
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Aiwa NSX-SZ22 Specifications

General IconGeneral
BrandAiwa
ModelNSX-SZ22
CategoryStereo System
LanguageEnglish

Summary

TECHNICAL SPECIFICATIONS

FM Tuner Specifications

Detailed specifications for the FM tuner section.

MW Tuner Specifications

Detailed specifications for the MW tuner section.

LW Tuner Specifications

Detailed specifications for the LW tuner section.

Amplifier Specifications

Specifications related to the amplifier output, distortion, and impedance.

Cassette Deck Specifications

Specifications for the cassette deck's track format, frequency response, and heads.

Compact Disc Player Specifications

Specifications for the CD player's laser, DAC, and signal-to-noise ratio.

Speaker System Specifications

Specifications for speaker units, impedance, and dimensions.

General Specifications

General specifications including power requirements and unit dimensions.

LASER SAFETY AND SERVICING PRECAUTIONS

Laser Exposure Warnings

Critical safety warnings regarding laser beam exposure during servicing.

Servicing Precautions and Procedures

General cautions, attention notices, and optical block replacement steps.

PRE-REPAIR CHECKS AND PROCEDURES

Power Supply Capacitor Discharge

Procedure to safely discharge power supply electrolytic capacitors before repair.

Microcomputer Troubleshooting

Steps to check and reset the microcomputer, including soldering verification.

COMPONENT LISTS

Electrical Parts List

Comprehensive list of electrical components including ICs, transistors, diodes, and capacitors.

Chip Resistor Coding

Explanation of the coding system used for chip resistors.

TRANSISTOR ILLUSTRATIONS

Transistor Pin Configurations

Diagrams showing the pin configurations of various transistors.

DISPLAY MODULE DETAILS

FL Display Grid and Anode Connections

Diagrams for FL display grid assignment and anode connections.

MAIN CIRCUIT BOARD LAYOUT

PCB Component Placement

Diagram showing the physical placement of components on the main circuit board.

SCHEMATIC DIAGRAMS

Main Board Schematics

Schematics for the amplifier and tuner sections of the main circuit board.

Front Circuit Board Schematic

Schematic diagram for the front circuit board.

POWER SUPPLY (PT) BOARD DETAILS

PT Board Layout and Schematic

Diagrams for the PT board's PCB layout and schematic.

TAPE DECK MECHANISM WIRING

Deck PCB Layout

Diagram showing the PCB layout for the tape deck mechanism.

INTEGRATED CIRCUIT (IC) DETAILS

IC Block Diagrams

Visual representation of the internal structure and functions of key ICs.

IC Pin Descriptions

Detailed explanation of pin functions for the µPD780226GF microcontroller and others.

ADJUSTMENT PROCEDURES

Tuner Section Adjustments

Step-by-step guide for adjusting the tuner section parameters.

Deck Section Adjustments

Step-by-step guide for adjusting the tape deck section parameters.

Microcomputer (Micon) Adjustment

Procedure for adjusting the microcomputer's oscillator frequency.

MECHANICAL EXPLODED VIEW

Unit Exploded View

Diagram showing the exploded view of the entire unit and its main parts.

PARTS LISTS

Mechanical Parts Identification

List of mechanical parts with reference numbers, part numbers, and descriptions.

Color Name Table

Table mapping color symbols to their corresponding colors.

TAPE MECHANISM EXPLODED VIEW

Tape Mechanism Exploded View

Diagram showing the exploded view of the tape mechanism components.

TAPE MECHANISM PARTS LIST

Tape Mechanism Parts Identification

List of parts for the tape mechanism with reference numbers and descriptions.

SPEAKER ASSEMBLY/DISASSEMBLY

Speaker Unit Disassembly Types

Instructions for disassembling speaker units using different methods.

Front Panel Removal and Attachment

Step-by-step guide for removing and attaching the speaker's front panel.

SPEAKER AND ACCESSORIES LISTS

Speaker Parts List

List of parts specific to the speaker units.

Accessories / Package List

List of included accessories and package contents.

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