BenQ Q7T3-FP737S, Service Manual

Page: 40 / 140

Q7T3-FP737S-Dual function LCD Monitor Service
Engineering Specification
13
Confidential
plug in PC.
(6) OSD will show “Out of Range” message on the screen to indicate it while input display mode meet the
following condition
(a) The resolution is large than 1280x1024.
(b) The resolution is 1280x1024 but it frequency of vertical sync (Fv) is large than 77Hz.
(c) The frequency of horizontal sync (Fh) is large than 83KHz.
(d) The frequency of vertical sync (Fv) is large than 76Hz.
3.3 Number of display colors:
262k color numbers
3.4 Adjustment function
Brightness
Contrast
Display position (Vertical , Horizontal)
Phase
Pixel clock
Color gain(Red, Green, Blue)
OSD position (Vertical , Horizontal)
Multi-language selection
OSD time
Input selection(analog/DVI)
Recall function(Color Recall
、
Recall All)
3.5 Power Supply Requirements
3.5.1 Input Power Requirements
(1) Input Voltage Range
The unit shall meet all the operating requirements with an input voltage range of 90~264 Vac .
(2) Input Current
Maximum Input Current Measuring Range
(MAX) 2 Arms 90Vac
∼
264Vac
(3) Frequency Range
The unit shall operate within a frequency range of 47Hz to 63Hz.
(4) Inrush Current
Power supply inrush current shall be less than the ratings of its critical components (including Power
switch, fuse, rectifiers and surge limiting device) for all conditions of line voltage.
(5) Regulator Efficiency
70% minimum (measuring at 115Vac and full load)
Power saving mode
＜
1 Watts at 115vac