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Touch Control Circuit Description
12. SERVICING
(A) Service Precautions
IC and LS! are subject to damage from static electricity.
Service with the following precautions.
a. Stock IC and LSI in conductive mats or cases.
b. Handle the parts after earthing a working bench, human body, tools etc.
c. Recommended working mat: Cotton clothes
d. Recommended working bench: Earthed steel desk (See Below)
IC or LSI
Conductive Mat
Conductive Case
rd
IC or LS!
(Fig. 57) Methods of Stocking IC or LSI
Soldering Iron
|
Earthed
Cotton Cloths
=
Steel Desk
Earth
= VA
O=
Finger Ring
i
arene
ye (Conductive)
Earth
' (Fig. 58) Method of Earthing for Servicing Desk
47
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