Hitachi RAS-E10H2 Service Manual page 4

Table of Contents

(6) Use a three wire type soldering iron including a grounding wire.

Bare copper wire (for body earth)

Screw stop at the screwed

part using a rag plate

Use a high insulation mode (100V, 10MΩ or higher) when ordinary iron is to be used.

(7) In checking circuits for maintenance, inspection, or some others, be careful not to have the test probes

of the measuring instrument shortcircuit a load circuit or the like.

Metal plate (of Al. stainless steel, etc.)

Staple

Fig.3 Grounding of the working table

soldering iron

Fig.4 Grounding a solder iron

- 2 -

Working table

Resistor 1MΩ(1/2W)

Earth wirte

Grounding wire

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Rac-e10h2