Technics SL-EH570

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Service Manual
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AD0102032C2
Compact Disc Player
● SL-EH570
Traverse Deck: RAE0152Z Mechanism series
Colour
(S)..........Silver Type
Area
(E)..........Europe.
file:///C|/Documents%20and%20Settings/Administrator/Plocha/SL-EH570/s0000000000.htm (1 of 2) [25.4.2003 20:50:06]

Technics SL-EH570 Specifications

General

Type	CD Player
Frequency Response	2 Hz - 20 kHz
Dynamic Range	96 dB
Power Consumption	12 W
Output Level	2Vrms
Disc Capacity	1 disc
Playback Modes	Repeat
Channels	2

Summary

Specifications

Audio section

Details audio parameters like channels and frequency response.

General

Provides general product specifications like dimensions and mass.

Pickup section

Information related to the pickup mechanism, such as wavelength.

Note

Handling Precautions for Traverse Deck

Handling of traverse deck (optical pickup)

Procedures for safely handling the optical pickup unit.

Human body grounding

Instructions on grounding the human body to prevent static discharge.

Work table grounding

Instructions on grounding the work surface to prevent static discharge.

Precaution of Laser Diode

Location of Controls

Operation Checks and Component Replacement Procedures

Checking for the main P.C.B.

Procedures for checking the main printed circuit board.

Checking for the CD servo P.C.B.

Procedures for checking the CD servo printed circuit board.

Replacement for the traverse deck assy

Steps for replacing the traverse deck assembly.

Replacement for the belt, loading motor assy and loading switch

Procedures for replacing belt, motor, and switch components.

Error Code Display and Servo Adjustment Function

Error code display procedure

Procedure for displaying error codes on the unit.

Servo adjustment procedure

Procedure for servo system adjustments.

Error code based on troubleshooting

Troubleshooting guide based on error codes.

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

IC451 (M38504 E6255 F):System Control

Terminal functions for the System Control IC (IC451).

IC701 (AN8885 SBE1 V):Servo Amp

Terminal functions for the Servo Amp IC (IC701).

IC702 (MN662790 RSC):Servo ProcessorDigital Signal ProcessorDigital Filter DA converter

Terminal functions for the Servo Processor IC (IC702).

IC703 (AN8739 SBE2):Focus CoilTracking Coil Traverse MotorSpindle Motor Drive

Terminal functions for motor drive IC (IC703).

Replacement Parts List

Cabinet Parts Location

Loading Unit Parts Location