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Haier 42D3500 Service Manual
Contents
|  Service ManualModel No.: 42D3500Chapter 1. General Information1-1. Document InformationDocument format: Adobe PDFAuthor: Gao BingbingCompiler:1-2. General GuidelinesWhen servicing, observe the original lead dress. If a short circuit is found, replace all parts whichhave been overheated or damaged by the short circuit.After servicing, see to it that all the protective devices such as insulation barriers, insulation papersshields are properly installed.After servicing, make the following leakage current checks to prevent the customer from beingexposed to shock hazards.1) Leakage Current Cold Check2) Leakage Current Hot Check3) Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive1-3. Important Notice1-3-1. Follow the regulations and warningsMost important thing is to list up the potential hazard or risk for the service personnel to openthe units and disassemble the units. For example, we need to describe properly how to avoid thepossibility to get electrical shock from the live power supply or charged electrical parts (even thepower is off).This symbol indicates that high voltage is present inside.It is dangerous to make anyking of contact with any inside part of this product.This symbol indicates that there are important operating and maintenance instructionsin the literture accompanying the appliance.1-3-2. Be careful to the electrical shockTo prevent damage which might result in electric shock or re, do not expose this TV set to rainor excessive moisture. This TV must not be exposed to dripping or splashing water, and objectslled with liquid, such as vases, must not be placed on top of or above the TV.1-3-3. Electro static discharge (ESD)Some semiconductor (solid state) devices can be damaged easily by static electricity. Such3 |
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