ViewSonic VG930M - 19" LCD Monitor, Руководство по обслуживанию

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ViewSonic Corporation
Confidential - Do Not Copy
VG930m-3_VA930m-1
19
Input Voltage(V) Output(V) Output Current limits (A)
+24 <2A
90Vac~264Vac +12 <4
+5 <6
47~63Hz
-8 <4
„
PROTECT FOR OVER-CURRENT
Output Voltage (V) Voltage limit (V)
24 38
12 20
„ Hi-POT TEST 3KVac / 3Sec
„ INSULATION IMPEDANCE INPUT 500Vdc , INSULATION IMPEDANCE > 100M Ohm
„ GND TEST INPUT 25Adc / 3 Sec , RESISTANCE CONNECT GROUNS <100m Ohm
„ INVERTER INTRODUCTION : 17 '' and 19 '' PANEL LCD MONITOR
1) 1 .-4 lamp type of 17 '' and 19 '' PANEL
2) 2. SPEC REQUIREMENT
Items Sign. Condition Min Typ Max
BL-ADJ=0V 3.0 3.5 4.0
6.0 6.5 7.5
1 Output Current (mA) Lout1.2 Vin=24V BL-ADJ=3.3V
6.5 7.0 7.5
7.0 7.5 8.0
2
Output Voltage
(Vrms)
Vin=24V BL-ADJ=3.3V 560 660 760
3
Lamp Frequency
(kHz)
f Vin=24V BL-ADJ =3.3V 45 50 55
On Vin=24V, On/Off=3.3V or 5V Normal Operation
4 On/Off Control
Off Vin=24V, On/Off=0V Shunt-down (Lamp off)
BL-ADJ = 3.3V, Max Current
5
Dim Adjust (Lamp
Current Control)
BL-ADJ
BL-ADJ = 0V, Min Current
0V ~ 3.3V
6
Kick-Off
Voltage(Vrms)
Vk-off Kick-Off More than 1500