ViewSonic VG930M - 19" LCD Monitor, Руководство по обслуживанию

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ViewSonic Corporation
Confidential - Do Not Copy
VG930m-3_VA930m-1
15
ELECTRIC TEST
1. POWER TEST :
1-1 . OUTPUT VOLTAGE TEST : Output 24V connect 50mA, CON801 Input
1-2 . HI-POT TEST :
1) Test Requirements – Input Voltage : 3.0KVdc
– Measurement Time : 3sec
– Temperature : 25 ± 5
℃ ℃
2) A method of measurement : Injection voltage between Utility (Line and Neutral short) and output line (short
b and - )
3) Criterion for Judging : PASS
1-3 . SHORT TEST PROTECT :
24Vdc SHORT to GND , POWER PROTECT .
12Vdc SHORT to GND , POWER PROTECT .
5Vdc SHORT to GND , POWER PROTECT .
-8Vdc SHORT to GND , POWER PROTECT .
1-4 . LOW POWER CONSUMPTION: Input 240Vac/50Hz Output NO LOAD , Power Consumption
≦
0.5W . 1-5 .
GROUND TEST :
1) Test Requirements – Input Current : 25A
– Measurement Time : 3sec
– Temperature : 25
℃
± 5
℃
2) A method of measurement : Injection current between Utility F.G. (inlet socket F.G.) and output ground (heat
sink)
3) Criterion for Judging :
≦
Resistor 100m Ω