ViewSonic VA720 17" LCD Flat Panel Monitor "ckt means" Questions

means you might be seeing picture of magenta colour as technically red+blue = magenta crt has got three cathodes your two cathodes circuit is fine one ckt that is green cathode circuit is not working.

...means no incoming signal, but some problem i encountered related in vga cable and lost connection on ckt board. as long that the cpu is working and the monitor show (no signal) focus trouble shooting ...

say that it becomes ok tha5t means 1 cable wire is loose from computer to monitor. 2 crt base loose. 3 loose contact in blue video ckt. 4 signal processor cable to crt board connector loose.(blue wire

...ckt. Either horizontal, controller or switching.What shpd i Check. It seems that utilizing the monitor for more than an hours and re-start again, the viewmeter will dis-appear. just check the power ...