DBTEL DB-6568, Руководство по обслуживанию

Страница: 32 / 73

DBTEL Incorporated
DB-6568 Service Manual Level 1 ~ 3
2003.11.13
DBTEL Copyright Reserved
Page 32 of 66
5.1.4 Basic Repair Environment
一、
Basic Environment
：
The repair should be processed in a quiet environment , not a noisy one. The repair place
should be arranged in a simple, light, moderate temperature and humidity , and no dust and
smoke.
二、
Work Table
：
Put on an insulating clothes on work table
；
Prepare material rack with many drawers using
to place components, disassembled parts. Prepare tools and instruments such as table lamp,
magnifying glass ,soldering iron, solder fountain, heat gun, volt meter, power supply and
oscilloscope etc.
三、
Notes
：
Connect all grounded lines of instruments together to prevent ESD damaging CMOS
circuit of Mobile. Do not superpose instruments each other. You must notice proper ventilation
in order to ease heat dispassion. When disassemble mobile each time, You must touch
grounded line to discharge. Do not wear chemical fiber clothes that will generate electric static.
Do not let solder iron idle for a long time and it will make iron to be oxidizing.