Nokia 7270 서비스 매뉴얼
Company Confidential. Copyright © 2005 Nokia. All Rights Reserved.
ESD Protection
Nokia requires that phone repair places have sufficient ESD protection (against
static electricity) when servicing cellular phones.
static electricity) when servicing cellular phones.
A cellular phone, which is ready for use, can be handled normally without ESD
protection. The SIM card and battery can be replaced in normal conditions of use.
protection. The SIM card and battery can be replaced in normal conditions of use.
To replace the color cover ESD protection must be applied, except for the phone
covers which can be replaced by the customer.
covers which can be replaced by the customer.
All electronic parts of the phone , including the display, are susceptible to ESD.
Resistors, too, can be damaged by static electricity discharge.
Resistors, too, can be damaged by static electricity discharge.
All ESD sensitive parts must be packed in metallized protective bags during ship-
ping and handling outside any ESD Protected Area (EPA).
ping and handling outside any ESD Protected Area (EPA).
Every repair action involving opening the phone or handling the phone components
must be done under ESD protection.
must be done under ESD protection.
ESD protected spare part packages MUST NOT be opened/closed out of an EPA.
For more detailed information about ESD protection and EPA, contact your local
Nokia After Market Services representative.
Nokia After Market Services representative.