ViewSonic VX710 Service Manual - Page 27
Input, Output
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UPC - 766907022612
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6.2 Power (Inverter) Board This is a specific power (inverter) board for VX912 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 Rated Input Voltage Input Voltage Range Input Current 12Vdc 11.4 ~ 12.6 Vdc
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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.
Rated Input Voltage
90~240 Vac, 50 / 60Hz
Operation Input Voltage
90~260 Vac, 47 ~ 63Hz
Input Current
<1.5A
Inrush Current
<100A@120Vac
Standby Input Voltage
12Vdc
Output Voltage Regulation
+/-5%
Output Ripple & Noise
120mVp-p
Rate Output Current
<3.5A
Turn-on delay
<3secs
6.2
Power (Inverter) Board
This is a specific power (inverter) board for VX912 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.
Rated Input Voltage
12Vdc
Input Voltage Range
11.4 ~ 12.6 Vdc
Input Current
<2A
Input
On / Off control Voltage
2~3.3 for on, 0~1 for off
Rated Output Strike-on Voltage
1500Vrms
Rated Output Voltage
710Vrms at 7mA
Rate Output Frequency
40~50KHz
Output
Rated Output Current
7~8 mA
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VX710