Technics SL-EH570 User manual

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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.

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1 Note

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Refer to the service manual for Model No. SA-EH570 (Order No. AD0102030C2) for information on

Accessories and Packaging.

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2 Handling Precautions for Traverse

Deck

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The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused

by static electricity of clothes or human body.

So be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).

2.1 Handling of traverse deck (optical pickup)

2.2 Grounding for electrostatic breakdown prevention

2.2.1 Human body grounding

2.2.2 Work table grounding

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2.1 Handling of traverse deck (optical

pickup)

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1. Do not subject the traverse deck (optical pickup) to static electricity as it is extremely sensitive to

electrical shock.

2. To protect the laser diode against electrostatic breakdown, short the flexible board (FFC board)

with a clip or similar object. Refer to Fig. 2-1.

3. Take care not to apply excessive stress to the flexible board (FFC board).

4. Do not turn the variable resistor (laser power adjustment). It has already been adjusted. Refer to

Fig. 2-1.

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2.2 Grounding for electrostatic

breakdown prevention

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2.2.1 Human body grounding

2.2.2 Work table grounding

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2.2.1 Human body grounding

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Use the anti-static wrist strap to discharge the static electricity from your body. Refer to Fig. 2-2.

Fig. 2-2.

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2.2.2 Work table grounding

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Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pickup) is

placed, and ground the sheet. Refer to Fig. 2-3.

Fig. 2-3.

Caution:

The static electricity of your clothes will not be grounded through the wrist strap.

So take care not to let your clothes touch the traverse deck (optical pickup).

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3 Precaution of Laser Diode

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4 Location of Controls

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