47
10.2 Electrostatics Discharge (ESD)
E.S.D Test
This test follow the IEC 61000-4-2
Discharge Voltage Level :
Criteria
Contact Discharge (KV)
Air Discharge(KV)
Class
C
±4 ±4
Class
B
±6 ±8
Class
A
±8 ±15
Class A
:
Temporary degradation or loss of function or performance which
requires operator Intervention or system reset.
Class B
:
Temporary degradation or loss of function or performance which is self-
recoverable
Class C
:
Normal performance within the specification limits
Discharge times: 20 times for each discharge point, time interval 1 second.
In the case of acceptance tests, the test program and the interpretation of the test
results are subject to
agreement between manufacturer and user.
The test documentation shall include the test conditions and the test results.
Содержание AL1931
Страница 27: ...26 3 3 BLOCK DIAGRAM ...
Страница 34: ...33 5 TROUBLESHOOTING 5 1 Main Procedure ...
Страница 35: ...34 5 1 1 Power Circuit Troubleshooting ...
Страница 36: ...35 5 1 2 Backlights Troubleshooting ...
Страница 37: ...36 5 1 3 Performance Troubleshooting ...
Страница 38: ...37 5 1 4 Function Troubleshooting ...
Страница 44: ...43 WAVESHAPE ...
Страница 50: ...49 APPENDIX A PARTS LISTS ...
Страница 51: ...50 A FRU Board A 1 454AA030001 PCBA Key Board VK 903 ...
Страница 52: ...51 A 2 461AA030001 Firmware CTRL Board VL 903 ...
Страница 53: ...52 A 3 455AA030001 PCBA D D INV Board Vp 903 ...
Страница 54: ...53 Appendix B DISPLAY Assembly ...
Страница 55: ...54 ...
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Страница 60: ...60 Appendix C PCBA Assembly ...
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