Having problems with your Proview PL926WBi 19" LCD Monitor ?

Proview Pl926wbi I have a 19' Proview LCD display. Recently it started turning off by itself after working for 4-5 sec.We connected it to another pc and the display acted the same way - it worked for 4-5 sec, then it turns off. We have to press the on/off button to turn it on, works for 4-5 sec and then goes black again. Is there A fix?


Answers :

This is an inverter board problem. The inverter supplies the high voltage and frequency to run the CCFL backlights. The board has a sensing circuit to shut down the output if too much current is going to the backlights or it will shut down if the transistors overheat. I have replaced transistors on some boards with higher rated transistors and they have worked great for years. Sometimes it is just a cold solder joint on the inverter board. Replacement boards are expensive but not too difficult to replace. Repair requires some ability with electronic boards and should not be attempted if you do not posess the skill. You could end up damging other parts that cost more.
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