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2 Prevention of Electrostatic Discharge (ESD) to
Electrostatic Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called
Electrostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistor- sand
semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage
caused by electrostatic discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your
body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as
aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD protected)" can
generate electrical charge sufficient to damage ES devices.
5. Do not use freon-propell ed chemicals. These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable
conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be installed.
Caution
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise hamless motion such as the brushing
together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage
an ES device).
6
DMR-ES10EB / DMR-ES10EC / DMR-ES10EG / DMR-ES10EP / DMR-ES10EBL
Содержание DMR-ES10GT
Страница 14: ...8 Schematic Diagram for printing with A4 14 PDF created with pdfFactory Pro trial version www pdffactory com ...
Страница 26: ...2 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 27: ...3 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 32: ...5 Each Button For DMR ES10EC EG EP 8 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 33: ...For DMR ES10EB EBL 9 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 38: ...Error Occurring Disc State 14 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 51: ...12 2 Checking and Repairing of Digital P C B 27 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 52: ...12 3 Checking and Repairing of Main P C B 28 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 53: ...12 4 Checking and Repairing of DVD RAM Drive 29 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...
Страница 66: ...DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL 42 ...
Страница 78: ...DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL 54 ...
Страница 88: ...20 2 Packing Accessories Section 64 DMR ES10EB DMR ES10EC DMR ES10EG DMR ES10EP DMR ES10EBL ...