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Technics SL-HD550

Technics SL-HD550
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AD0101018C2
Compact Disc Player
SL-HD550
Traverse Deck: RAE0152Z Mechanism Series
Colour
(N)...........Gold Type
Area
(E)...........Europe.
SPECIFICATIONS
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Technics SL-HD550 Specifications

General IconGeneral
TypeCD Player
Disc FormatsCD
Channels2
Output Level2V
Frequency Response2 Hz - 20 kHz
Output Voltage2.0 V
Digital OutputsOptical, Coaxial

Summary

Before Repair

Handling Precautions for Traverse Deck

Handling of traverse deck (optical pickup)

Precautions for handling the traverse deck (optical pickup) to prevent damage from static electricity and stress.

Human body grounding

Procedure for grounding human body using an anti-static wrist strap to prevent electrostatic discharge.

Work table grounding

Procedure for grounding the work table with conductive material to prevent electrostatic discharge.

Precaution of Laser Diode

Location of Controls

Operation Checks and Component Replacement Procedures

Checking for the main P.C.B.

Steps for checking the main printed circuit board (P.C.B.) of the CD player unit.

Checking for the CD servo P.C.B.

Steps for checking the CD servo printed circuit board (P.C.B.) within the CD player.

Replacement for the traverse deck assy

Procedure for replacing the traverse deck assembly, referencing previous steps.

Replacement for the belt, loading motor assy and loading switch

Procedure for replacing the belt, loading motor assembly, and loading switch.

Error Code Display and Servo Adjustment Function

Error code display procedure

Step-by-step guide on how to activate and interpret the error code display function.

Servo adjustment procedure

Procedure for performing servo adjustments and interpreting the results displayed.

Error code based on troubleshooting

To Supply Power Source

Schematic Diagram Notes

Schematic Diagram

Printed Circuit Board Diagram

Type Illustration of ICs, Transistors and Diodes

Wiring Connection Diagram

Block Diagram

Troubleshooting Guide

Terminal Function of ICs

IC201 (C2 BBFD000248): System Control

Detailed pin terminal functions and descriptions for the System Control IC201.

IC701 (AN8839 NSBE2): Servo Amp

Pin terminal functions and descriptions for the Servo Amplifier IC701.

IC703 (AN8739 SBE2): Focus CoilTracking CoilTraverse MotorSpindle Motor Drive

Pin terminal functions for the Traverse Motor/Spindle Motor Drive IC703.

Replacement Parts List

Cabinet Parts Location

Loading Unit Parts Location

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