Aiwa NSX-SZ70 Service Manual

SERVICE MANUAL
DATA
COMPACT DISC STEREO
CASSETTE RECEIVER
NSX-SZ70
NSX-SZ72
NSX-SZ73
EZ,K
EZ
EZ
S/M Code No. 09-006-425-3R3
REVISION
BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM
BASIC CD MECHANISM: AZG-1 ZD3RDM
• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
NSX-SZ70/SZ72/SZ73 (S/M Code No. 09-002-425-3T3).
• If requiring information about the CD mechanisim, see Service Manual of AZG-1
(S/M Code No. 09-001-335-3N8).
CD-CASSEIVER
CX-NSZ70
CX-NSZ72
CX-NSZ73
SPEAKER
SX-WNSZ70
SX-WNSZ71
SX-WNH81
SYSTEM
NSX-SZ70
NSX-SZ72
NSX-SZ73
REMOTE CONTROLLER
RC-ZAS01
All manuals and user guides at all-guides.com
all-guides.com

Aiwa NSX-SZ70 Specifications

General

Brand	Aiwa
Model	NSX-SZ70
Category	Stereo Receiver
Language	English

Summary

Specifications

FM Tuner Section

MW Tuner Section

LW Tuner Section

Amplifier Section

Cassette Deck Section

Compact Disc Player Section

Speaker System SX-WNSZ70/71

Speaker System SX-WNH81

Laser Beam Safety Precautions

Laser Safety Warnings

Important safety notices regarding laser radiation.

Class 1 Laser Product Classification

Information on the device's laser product classification.

Optical Block Replacement Precautions

Safety advice for replacing the optical block.

Pre-Repair Procedures

Forced Discharge of Power Supply Capacitors

Procedure to safely discharge capacitors before repair.

Microcomputer Exchange Pre-checks

Essential checks before replacing the microcomputer.

HOLD Terminal Check for Microcomputer

Verifying the HOLD terminal status for microcomputer.

Microcomputer Reset Procedure

Steps for performing a forced reset on the microcomputer.

Microcomputer Soldering Check

Tuner Section Adjustments and Checks

Clock Frequency Check

Verifying clock frequency in the tuner section.

MW VT and Tracking Checks

Adjusting and checking MW tuner signals.

LW VT and Tracking Adjustments

Adjusting and checking LW tuner signals.

FM VT and Tracking Checks

Adjusting and checking FM tuner signals.

MW IF and DC Balance Adjustments

Adjusting MW IF and DC balance/mono distortion.

Deck Section Adjustments and Checks

Tape Speed Adjustment

Head Azimuth Adjustment

Playback Frequency Response Check

Record/Playback Response Adjustment

Record/Playback Sensitivity Check

Microcomputer OSC Adjustment