Technics SJ-HD501

ORDER No.AD9907180C2
Mini Disc Deck
SJ-HD501
Mechanism unit: MR3A (RAJ3402) Mechanism Series
Colour
(N)...................Gold Type
Areas
EG...................Europe.
EB...................Great Britain.
This product is option for systems of SC-HD301 and
SC-HD501.
SPECIFICATIONS
1

Technics SJ-HD501 Specifications

General

Brand	Technics
Model	SJ-HD501
Category	MiniDisc Player
Language	English

Summary

SPECIFICATIONS

2. Precaution of Laser Diode

3. Caution for AC Main Lead

4. Operating Instructions

5. Handling Precautions for Traverse Deck (MD Unit)

5.1. Handling of MD Unit (optical pickup)

Specific precautions for handling the sensitive optical pickup.

5.2. Grounding for electrostatic breakdown prevention

6. Operation Checks and Main Component Replacement

3. Replacement for the traverse motor assy

7. Self-Diagnostic Function

7.1. Switching to the Self-Diagnostic Mode

Steps to activate the self-diagnostic mode for error detection.

8. Self Check Function

8.1. Setting to the Self Check Function

Steps to enter the self-check mode.

9. Measurements and Adjustments (Laser Power Adjustment)

9.1. Necessary Instruments

9.2. Set the Unit to the Adjustmint Mode

Steps to put the unit into laser power adjustment mode.

1. About handling the MD unit

Critical handling precautions for MD unit components.

2. About handling the magnetic head

3. About the driver for adjusting laser power

9.3. Adjustment Procedure

10. Troubleshooting Guide

12. Schematic Diagram

14. Block Diagram

15. Wiring Connection Diagram

16. Terminal Function of ICs

16.1. IC1 (AN8772 FHQ): RF AMP

17. Replacement Parts List