Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations bkrike on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Monitor with pincushion effect 2

Status
Not open for further replies.

TheInsider

Programmer
Jul 17, 2000
796
CA
Hello,
I was recently given a 17" monitor -- a Voxon II model # MO-D1728 to be exact. The monitor works great except for the fact that it is stuck on the pincushion effect. I can change all of the settings with the on-screen controls except the pincushion and trapezoid -- changing these two has no effect on the display. I assume that because the other features work i.e. v pos, h pos, v size, h size, rotate...etc that it is not the picture tube. I am told that there is a pincushion adjustment screw/knob inside the monitor, however, I cannot find it. I have found the "brightness", "contrast", 2 that say "focus", and one that says "screen". Does anyone know where I can find the schematics or where I can find the pincushion adjustment screw on this particular model? I have found nothing on the internet so far.
Thanks,
Rob Marriott
rob@career-connections.net
 
It may be the Tube. If you find no switches or knobs then I would suggest just getting a new one. Opening up a monitor and sticking a metallic object near the Yolk of the tube can put a serious hamper on your day. The tube is basically a giant capacitor, one wrong move or slip and you will get zapped. I have a few Dumn Terminals in office that carry 1/10 the power and they can really "SMART" when the electricity is jumped by accident. I don't recommend to anyone without experience to open up their monitor to fix. Just buy another. It may be difficult at times but MUCH safer. James Collins
Computer Hardware Engineer
A+, MCP

email: butchrecon@skyenet.net
 
Thanks, that's good advise. I admit that I don't know what I am doing, but I have been taking those precautions. I have been waiting 48 hours, after powering off the monitor, before opening it up. I have been told by a technician "where not to touch", and I use a plastic screwdriver. But you are correct, it's not really worth it. I already have a smaller, but working, monitor, and it costs too much to fix this one professionally... $60-100 and it's only worth $150 used. Rob Marriott
rob@career-connections.net
 
I agree with James. Do not attempt to work on the monitor. The capacitor holds at least 30,000 volts. You could easily become a statistic! *:->*

Steve Home: SRFlanigan@home.com
Work: Steve@regionalinternetmedia.com

DILBERT FOR PRESIDENT!
 
Fair enough... I don't really need to find out what 30,000 volts feels like. I'm a programmer with limited hardware knowledge. I have a friend who's enrolled in a technical college right now. I said that he could have the monitor if I couldn't get it to work properly. He can take it in and the A+/hardware students can have a look at it -- better than throwing it away.
Rob Marriott
rob@career-connections.net
 
Bah, through caution into the wind, its not the Voltage that kills ya, its the Amps! ;-) (sarcasm)
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top