Aiwa NSX-SZ20 Service Manual

SERVICE MANUAL
DATA
COMPACT DISC
STEREO SYSTEM
BASIC TAPE MECHANISM : ZZM-3 PR1NM
BASIC CD MECHANISM : AZG-1 ZD3RDM
NSX-DR1
NSX-SZ20
EZ
V
S/M Code No. 09-007-423-4R4
REVISION
• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
NSX-DR1(EZ), (S/M Code No. 09-004-423-4T4).
• If requiring information about the CD mechanism, see Service Manual
of AZG-1, (S/M Code No. 09-001-335-3N8).
NSX-DR1
SPEAKER
SYSTEM
CD
CASSEIVER
REMOTE
CONTROLLER
NSX-SZ20
CX-NDR1 SX-NSZ20
CX-NSZ20 SX-NSZ22
RC-ZAS02
All manuals and user guides at all-guides.com
all-guides.com

Aiwa NSX-SZ20 Specifications

General

CD Player	Yes
Cassette Deck	Yes
Remote Control	Yes
Type	Stereo System
Radio Tuner	AM/FM
Speakers	Yes, 2 Speakers
Functions	CD, Radio, Cassette
CD Player Type	Single Disc
Inputs	Aux
Outputs	Headphone

Summary

Technical Specifications

Amplifier Specifications

CD and Cassette Specifications

Laser Safety Precautions

Laser Beam Exposure Warning

Warns about eye exposure to laser beams during servicing.

Optical Block Replacement Safety

Precautions for replacing the optical block, including static discharge.

Pre-Repair Procedures

Capacitor Discharge Procedure

Steps to safely discharge power supply capacitors before repair.

Microcomputer Troubleshooting

Covers HOLD terminal check, reset, and soldering inspection.

Main Board Diagrams

Wiring Diagrams

Schematic Diagrams

Displays schematic diagrams for amplifier and tuner sections of the main board.

Front Board Diagrams

Schematic Diagram

PT Board Diagrams

Deck Board Diagrams

Wiring Diagram

Integrated Circuit Information

IC Block Diagrams

Shows functional block diagrams for key integrated circuits.

IC Pin Descriptions

Adjustment Procedures

Tuner Section Adjustments

Guides for adjusting tuner clock frequency, VT, tracking, and IF.

Deck Section Adjustments

Instructions for adjusting tape speed, azimuth, frequency response, and sensitivity.

Front Section Adjustment