Haier HL26R1 Service Manual

Also see for HL26R1 - R-Series - 26" LCD TV: Specifications Owner's manual User manual Owner's manual Owner's manual

Haier HL26R1 Service Manual Manual pdf 4 page image

1. General Information1-1 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 Sensitive1-2 Important notice1-2-1. Follow the regulations and warningsMost important thing is to list up the potential hazard or risk for the service personnel to open theunits 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 tomake any king of contact with any inside part of this product.This symbol indicates that there are important operating and maintenanceinstructions in the literture accompanying the appliance1-2-2. Be careful to the electrical shockTo prevent damage which might result in electric shock or fire, do not expose this TV set to rain orexcessive moisture. This TV must not be exposed to dripping or splashing water, and objectsFilled with liquid, such as vases, must not be place on top of or above the TV1-2-3. Electro static discharge (ESD)Some semiconductor (solid state) devices can be damaged easily by static electricity. SuchComponents commonly are called Electrostatically Sensitive (ES) Devices. The followingtech-niquesshouldbeusedtohelpreducetheincidenceofcomponentdamagecausedbyelectroStatic discharge (ESD).1-2-4. About lead free solder (PbF)This product is manufactured using lead-free solder as a part of a movement within the consum-erproducts industry at large to be environmentally responsible. Lead-free solder must be used in theservicing and repair of this product.1-2-5. Use the genewing parts (specified parts)Special parts which have purposes of fire retardant (resistors),high-quality sound (capacitors), lownoise(resistors), etc. are used.When replacing any of components, be sure to use only manufacture's specified parts shown inthe parts list.Safety Component● Components identified by mark have special characteristics important for safety.