Question about Samsung SyncMaster 793DF (Silver, Black) (Black, Silver) 17 in.CRT Conventional Monitor

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Can't Fix Pincushion

Good day sir... I just want to seek your help regarding my problem in fixing my monitor. It happens that my monitor is in pincushion. cannot adjust the curvature of the sides. problem is some button in panel of monitor doesn't work. one of these are H. size.. and trapezoid adjustment. I already fixing in at the back of my monitor and i tried to look some electronic parts but i dont know which one has a diffective.. Sir i need ur help. pls. Thank you. God Bless

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Re: Can't Fix Pincushion

If the menu is appearing then it should be able to adjust the Monitor, provided you have replaced the micro switches. Check for continuity by pressing the buttons. I don't think that there is any prolem with other components.

Posted on May 06, 2007

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Good morning, have a monitor Nokia 445xi plus and sometimes crashes. Fales to give the image. I wonder if there is any driver or any software that can overcome this problem? When it stops giving off the...

It has nothing to do with any software. This seems to be an hardware issue. Most probably it is the heating up problem. When you switch it off and connect it back after few hours, it cools down and works again. So, it is recommended to seek professional help for internal repairs of the monitor.

Hope it helps! Good Luck!

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Pincushion and Horital Size Problems

This is a hardware based issue, and sadly cannot be fixed without sending it to a service center. If you really want to, you can send this monitor to a service center, but it will be around 100 bucks to fix. I would say just replace it with a smaller LCD panel. They can be bought for around the same price, and they'll save power too.

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If all the buttons on the front don't work I would beleive it was a cable that is not connected correctly. I've seen things like this happen on otherwise perfectly good equipment. It's probably an easy fix however, monitors have enough power to KILL YOU (dead not a little bit very dead) if your not sure what your doing find someone who is most things I encourage you to open up and play with but not monitors. (did I mention you could die)

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Problem with monitor


Your post/description indicates a "pincushion" problem; the width problem is as you have stated.

There are two (2) possible reason for these problems:
1. component failure in the horizontal section of the monitor. These components could either be a diode, a capacitor or a resistor. In some cases there are trimpots in the PCB that can be adjusted to correct these problems;
2. component/connection failure in the controller section.

Of the two, I tend to suspect #1 as highly likely the case. Repairs such as this would require that you be familiar and comfortable working with electronic components and circuitry, the use of a DVM and a soldering iron. Should this be not to your liking, your next best bet would be to seek the services of a qualified professional.

Hope this be of help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

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Problem with Studioworks 563 monitor

LG Studioworks 563N Monitor horizontal width is exceeding out of screen and not able to adjust it along with pincushion through menu. IRF S630A Transistor replaced, no effect. Pl. help.

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Some countries get themselves 'burned' to a spot because of lack of use. a slight twich one way or another will reset it . The control that you are referring to is it a direct acting one - that is does the work or is it of the switch variety- that is you activate the control but then have to move larger wheel to do the work?

May 28, 2007 | Samsung SyncMaster 793DF (Silver, Black)...

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carefully remove the other covetr,isolate all wires connecting the electronic board to the crt and the earthing pad.once you acess the pcb,test the fuse first,if there is continuity,cover it back and seek proffesional service technician as further troubleshooting requires specialised knowledge.try your best,cos no one can fix every thing,most of the time we need other peolpe's services.i admire your courage. eyo7

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