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Service Manual

Model No.: HL22XSLW2

components commonly are called Electrostatically Sensitive (ES) Devices. The following

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electros static discharge (ESD).

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such

components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical

ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"

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damage caused by static by static electricity.

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assembly, drain off any electrostatic charge on your body by touching a known earth ground.

Alternatively, obtain and wear a commercially available discharging wrist strap device, which

should be removed to prevent potential shock reasons prior to applying power to the unit under

test.

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conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of

the assembly.

1-3-4. About lead free solder (PbF)

This product is manufactured using lead-free solder as a part of a movement within the

consumer products industry at large to be environmentally responsible. Lead-free solder must be

used in the servicing and repairing of this product.

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low noise (resistors), etc. are used.

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the parts list.

Safety Component

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1-3-6 Safety check after repairment

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original positions, or whether there are the positions which are deteriorated around the serviced

places serviced or not. Check the insulation between the antenna terminal or external metal and

the AC cord plug blades. And be sure the safety of that.

General Servicing Precautions

Haier HL19SL2 User Manual

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