Blu Dash JR, Руководство по обслуживанию

Страница: 3 / 25

Specification
GSM General Specification
Safety Precautions
Repair Precaution
Repair in Shield Box, during detailed tuning .
Take specially care of tuning or test
,
because specificity of cellular phone is sensitive for surroundin g
interference(RF noise)
.
Be careful to use a kind of magnetic object or tool,
because performance of parts is damaged by the influence of magnetic
force. Surely use a standard screwdriver when you disassemble this
product, otherwise screw will be worn away.
Use a thicken twisted wire when you measure level.
A thicken twisted wire has low resistance, therefore error of measurement
is few.
Repair after separate Test Pack and Set because for short danger (fo r
example an over current and furious flames of parts etc) when you repai r
board in condition of connecting Test Pack and tuning on .