It working normal for the first 20 minutes after that the screen becom blanking and the power of horizontal output make strange sound.
but when the input signal disconnect the monitor display show (no signal) and the power work normal without any problem.
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Re: crt computer monitor model 6332-03n
Hi, you can try lowering the screen resolution, the color quality and the screen refresh rates. Work from there and observe each setting/increment. soon as the monitor quits, press escape to revert to previous setting.
I get the impression that you are familiar with electronics, the problem is your monitor horz. freq is playing catch up and eventually fails. Lowering your PC setting then might do the trick.
To lower the settings, right click on desktop, properties, settings tab & advance button - Monitor.
Hope this be of some help. Good luck
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1) test power supply, for horizontal and vertical output voltage horizontal HV Flyback +125Vdc voltage output vertical: +80Vdc All other circuit: 12Vdc Test the Video Detector: See diagram God bless you
Your fly back, horizontal is in good condition but the possible fault is in the deflection coils or the deflection correction , pin correction section or the hirizontal width coils.
Please check them one by one as they are found along the sides of the flyback sections. check the continuity of the horizontal coils, it can also be a leak/burnt coils that can cause this problem.
The set has developed a short either in the power supply or the horizontal/high voltage circuit. The power supply makes a weird noise when it gets overloaded. This can get complicated so have a repair shop check it out for you. Thanks
are u sure that ur not able to see the fone's stand by screen now?its totally black?are u sure that there's no problem with the screen itself,the care guys might have left the screen connection loose. other wise try one thing,Format ur fone. by pressing *#7370# u have press keys once wait for 5 seconds and press the left selectin key [where u get the YES option normally. the fone would restart and lets see are u able to go back on the screen. IF YES then u can set the Sleep mode to off cuz the sleep mode gets inititated after 20 minutes when u keep ur fone idle means u dont operate ur fone for atleast 20 minutes. BUT IN THIS CASE ULL LOSE ALL UR DATA INCLUDING CONTACTS AND MESSAGES ETC.IF U HAVENT TAKEN THE BACK UP EARLIER.so its totally upto u that u want to proceed with this step or u can again show ur fone to the nokia care guys. but they'll charge u cuz obviously after 2 years ur fone is out of warranty
Most commonly, the power supply, and or scan failure causes this. There may be some bad caps, in these areas. In the horizontal output area, the flyback and the horizontal output transistor may also be defective. There may also be some damage to the power supply in this case.