Also, any unauthorized changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this device. To assure continued FCC compliance, the user must use grounded power supply cord and the cables which are included with the equipment or specified. Consult the dealer or an experienced radio/TV technician for help.Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.Increase the separation between the equipment and receiver.Reorient or relocate the receiving antenna.If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: However, there is no guarantee that interference will not occur in a particular installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. OSD and Power Lock Settings.Īdjusting the Screen Image. Important Safety Instructions.Ĭopyright Information. ( i did i heard strange sounds ) If you any question just ask and good luck.Compliance Information. and dont forget before do this take a photo of your ccfl lamp socket because if you connect wrong ccfl sockets will not work and u can burn somethin on inverter board.
Vx910 viewsonic drivers driver#
You have to open gently and be very careful never touch lcd controller and lcd driver board or use esd protection arm band and just open all screws and open gently up and down uses double very thin florecent lamps. Because of long time use florecent lamps died. I dont know since 6 years totally how money hours you were using every day. your inverter controller ic spectification also same. my inverter controller ic was OZ9938GN i read of datasheet i learned. Because my problem was bad CCFL bulbs both lamps both sides was black!!!! so inverter controller ic cant find (or open outs) florecent lamps and going to sleeps. So if we think no problem remains of your CCFL back light bulbs. you have to find whic is on/off pinout.īut i am almost sure u dont have any problem with your smps like you told u changed all caps and controled all fast rectifiers. ( also dont forget some kind of smps/inverter boards controls by the monitor mcu for on and off ) or you will make on /off with logic 5v. i changed was doing tic tic sound i changed all caps and also again sg6841 and rectifiers still was doing.i connect to sat-receiver started work. If smps works green mode style probably will work on load. Just take it and connect to 12 and 5 volt outs something like DC motors or lamps. Because some kind of smps controller ics if feels no load goes to sleep. If your smps controller ic supports green mode (like SG6841) than u get this problem. Before I explain let me tell u explain everything. I changed all caps but still was continued. " Dual independent dual lamp protection !!!!" Look i chacked of your inverter controller ic BI3101A if you read of datasheet first page of datasheet says : So maybe the problem is in the overcurrent sensing circuit perhaps? The only high-power resistors I have handy are 1-ohm which would draw too much current! I did measure the monitor's current draw with my other 12V supply and it was around 300 mA, which is well below the 1.75A maximum shown on the PSU board. I don't have any simple way to put a dummy load on the PSU. But it would cut out and cut back in once per second as before.
The power has minimal ripple (.1V at the most, and it's not AC ripple, more like switching PSU ripple at a higher frequency).
I then hooked the PSU back up to the monitor and hooked a scope up. This leads me to believe the logic board is ok.ģ. It powered up fine, at least to the extent where the power LED came on and stayed on, and then went to power-save mode after several seconds since it had no input signal (LED went yellow). I tried powering up the monitor with a different 12V supply. Connecting it to the monitor, it would give me 12V but would then dip once per second with an audible "tick", like it was shutting down due to overcurrent or something.Ģ. I tried the PSU disconnected from the monitor board and I got a nice steady 12V (the only "rail" the PSU has, other than two CCFL inverters).
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