Troubleshooting DELL E173FPB Liquid crystal display Monitor with energy blink symptom is quite easy if you know the right procedure to check it. There are two sections in the keep track of that can cause power to blink. It is either primary or secondary segment or even sometimes each sections can be faulty. So to isolate as which segment is providing issue. I used an car twelve volt light bulb (brake light) and connect it between the 12 volt supply line and cold ground with the fuse removed. If the bulb still blink probabilities is very high the power primary section have issue.
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To solve this problem, first.you have to check every element located in the main region. A fast digital element testing ability comes in handy when you’re doing Liquid crystal display مركز صيانة شاشات سامسونج!
I kept on inquiring myself, why the voltage drop to three volts after the fuse. Before the fuse it reads about sixteen volt but following the fuse it reads only 3 volts! I didn’t suspect the fuse, simply because the fuse can only both sure or no and no in between. The first circuit that I checked was the start circuit but all components checked to be alright. I even desoldered the pin nine of TL1451ACN inverter IC just to make sure it is not this IC that pulled down the voltage.
Bad backlights and dry joints can trigger this issue as well. If so, replace the backlight and put some new solder on (for dry joints issue). Make certain you have a good soldering ability. I often apply on a dummy board so I’m pretty great at it!
The restore does not need any unique knowledge or skill. About the only tools you will require are a putty knife, a screwdriver, a pair of pliers and a Radio Shack soldering iron.
Conclusion- Whether or not you repair the DELL E173FPB Liquid crystal display Keep track of or any other design such as the E172FPB or E171FPB, essentially the testing technique is the same. You could also use this screening procedure on other brand name of Lcd Monitor too.