Applicable Scope And Precautions; Applicable Scope; Maintenance Precautions; How To Obtain Product And Maintenance Information - Huawei U8860 Maintenance Manual

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U8860

Maintenance Manual

This document provides maintenance instructions for technicians at service centers authorized

by Huawei. This service manual is confidential and can be accessed by authorized service

sites or companies only. Although every effort has been made to ensure the accuracy of the

document, errors may still exist. If you find any error or have any suggestions, please contact

Huawei's customer service center.

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To obtain relevant product and maintenance information, you can visit Huawei website at

http://www.huaweidevice.com/cn/technicaIndex.do

Issue 1.0 (2011-11-14)

Applicable Scope and Precautions

Only qualified technicians are allowed to perform the repair and calibration.

Perform all operations in electrostatic discharge (ESD) rooms and wear electrostatic

wrist straps throughout the operations.

Ensure that all the components, screws, and insulators are properly installed after repair

and calibration. Ensure that all cables and wires are installed and connected correctly.

Ensure that the soldering is pb-free and compliant with the environmental-friendly

requirements.

ESD is the major cause of damages to electrostatic-sensitive components, so

every service center must pay high attention to avoid ESD discharge and

comply with the ESD protection requirements of this manual.

Huawei Proprietary and Confidential

2 Applicable Scope and Precautions

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