Aiwa NSX-R50 User Manual

SERVICE MANUAL
DATA
COMPACT DISC
STEREO SYSTEM
BASIC TAPE MECHANISM : ZZM-3 PR3NM
BASIC CD MECHANISM : BZG-5 ZD3GNM
NSX-R50
NSX-R51
K
EZ
S/M Code No. 09-01A-449-7N1
• If requiring information about the CD mechanism, see Service Manual of
BZG-5, (S/M Code No. 09-00C-353-3N6).
SPEAKERSYSTEM
CX-NR50
RC-CAS01
CD
CASSEIVER
REMOTE
CONTROLLER
SX-NR50
NSX-R50
NSX-R51 CX-NR51
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Aiwa NSX-R50 Specifications

General

Brand	Aiwa
Model	NSX-R50
Category	Stereo System
Language	English

Summary

System Specifications

Laser Beam Safety During Servicing

Laser Safety Precautions

Warnings and cautions for laser safety during servicing.

Optical Block Replacement Precautions

Precautions when replacing the optical block to prevent damage.

Pre-Repair Procedures and Checks

Forced Discharge of Electrolytic Capacitor

Procedure to safely discharge capacitors before repair.

Microcomputer Exchange Checks

Items to check before replacing the microcomputer.

HOLD Terminal Status Check

Microcomputer Reset Procedure

How to perform a forced reset on the microcomputer.

Microcomputer Soldering Confirmation

IC Block Diagrams

FL Display Grid Assignment and Anode Connection

IC Description

Adjustment Procedures (Tuner, Deck, Front)

Tuner Adjustment Procedures

VT Adjustment and Check (LW)

Adjust and check VT for LW band reception.

VT Check (MW)

Check VT for MW band reception.

VT Adjustment and Check (FM)

Adjust and check VT for FM band reception.

Clock Check

Verify the clock signal frequency.

MW/LW Adjustment Procedures

IF Adjustment (MW)

Adjust Intermediate Frequency for MW band.

Tracking Adjustment (MW)

Adjust tracking for MW band reception.

Tracking Adjustment (LW)

Adjust tracking for LW band reception.

Auto-Stop Function Check (MW)

Verify auto-stop function in MW tuning search.

FM Adjustment Procedures

Tracking Adjustment (FM)

Adjust tracking for FM band reception.

Separation Check (FM)

Auto-Stop Function Check (FM)

Deck Section Operations

Tape Speed Adjustment (Deck 2)

Tape Speed Check (Deck 1)

Wow-Flutter Check (Deck 1, Deck 2)

Head Azimuth Adjustment (Deck 1, Deck 2)

Playback Frequency Check (Deck 1, Deck 2)

Playback Sensitivity Check (Deck 1, Deck 2)

Playback/Record Frequency Response Adjustment (Deck 2)

Playback/Record Sensitivity Check (Deck 2)

Front Section Operations

Clock Adjustment

CD Test Mode Operations

Starting CD Test Mode

Exiting CD Test Mode

CD Test Mode Buttons and Functions

General Speaker Disassembly Instructions