October 17, 2020

Some of these service operations require the use of tools specially designed for the purpose. Try lowering the resolution. Usually the free-running frequency should be lower than the minimum trigger frequency. By appearance, the monitor might have a couple of problems possibly interconnected. Are you a Computer and Internet Expert? Many B plus and high voltage terminals are exposed which, if carelessly contacted, can cause serious shock or result in damage to the chassis.

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Replace with tube of the same type number for continue safety. A savvy tech would make quick work of this but the question is why??

Weird CRT monitor – External Hardware

I remember playing tricks on my coworkers in the past LOL. Operation of the display with the cover removed, may cause a serious shock hazard from the display power supply. The use of substitute replacement parts which do not monitr the same safety characteristics as specified in the parts list may create shock, fire, X-RAY radiation or other hazards.

I know this is old monitof, but I dont have money to buy one. The special tools should be used when and as recommended. Tell us some more! Power supply trouble shooting chart Measure the AC voltage across the combination of ohms resistor and 0.


If the suggestions above don’t work, it may be time for a new monitor. No changes should be made to the original design of the monitor.

In this mode several pins are forced into defined states: Adjust the picture tilt to horizontal position. Login to post Please use English characters only.

Weird CRT monitor

If degaussing doesn’t fix the problem, borrow another monitor and try that on your computer, just to rule this out. Here is the spec for your monitor: It is with a mils S-DIP package.

Accordingly, a servicer who uses a service procedure or tool which is not recommended by AOC must first satisfy mnitor thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected. Auto Adjust picture to reduce jitter, noise and adjust picture to center.

CRT TVs used to start showing this problem with age although I have never seen one as badly affected as yours. Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Using the site is easy and fun. Even though im still 15 years old The entire computer set is already 7 years old.

And it is fullscreen, but the part that was supposedly on the top is now on the bottom. Adjust the purity magnet rings on the PCM assembly to obtain a complete field of the color red. Adjust the picture to be a rectangle. Keep wires in their original qoc so as to reduce interference.


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See above diagrams D. It’s worth a thousand words. WARNING Use of substitute replacement parts, which do not have the same, specified safety characteristics may create shock, fire, or other hazards.

The max point reward for answering a question is Remember me This is zoc recommended for shared computers.

Do not install, remove or handle the picture tube in any manner unless shatter-proof goggles are worn.

Page 11 of AOC Computer Monitor Product Support |

If your color display requires service, it must be returned with the power cord. Higher voltage may also increase possibility of failure mlnitor HV supply. If you lose the display, press “n” there is a dialog box asking if you want to keep the settings, y or n.