ViewSonic VE710b-1 Service Manual page 26

6.2 Power (Inverter) Board
This is a specific power (inverter) board for VE710 monitor with output of 40W / 12V / 3.5A. It provides
12 VDC to drive the four cold cathode fluorescence tubes in the backlight.
6.2.1 The inverter's electrical specification is described below.
Input
Output
6.2.2 Power
This is a general purpose AC / DC adapter which converts 90~240 Vac to a stabilized DC voltage: 12
Volts, with a rated output current of 4.16A. The electrical specification is described below.
ViewSonic Corporation
Rated Input Voltage
Input Voltage Range
Input Current
On / Off control Voltage
Rated Output Strike-on Voltage
Rated Output Voltage
Rate Output Frequency
Rated Output Current
Rated Input Voltage
Operation Input Voltage
Input Current
Inrush Current
Standby Input Voltage
Output Voltage Regulation
Output Ripple & Noise
Rate Output Current
Turn-on delay
12Vdc
11.4 ~ 12.6 Vdc
<2A
2~3.3 for on, 0~1 for off
1500Vrms
710Vrms at 7mA
40~50KHz
7~8 mA
90~240 Vac, 50 / 60Hz
90~260 Vac, 47 ~ 63Hz
<1.5A
<100A@120Vac
12Vdc
+/-5%
120mVp-p
<3.5A
<3secs
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VE710b/s-1