(2004-06-25) Finally repaired acer 78c display

zhaozj2021-02-16  60

For a long time, there is no product, the main reason is that there are several Baby products that are not generally poor. The most angry is that I have a more than 2,000 oceans Acer 78C displays.

When this monitor is selected because it has a few visits, such as .25 17-inch plane right-angle microdynamine, energy on 1600 * 1200 resolution. However, in a warranty period, there is a variety of gentleness. The most serious thing is that the screen will "jitter", that is, a time screen picture will be longitudinally contracted several times, sometimes accompanied by relay clutch, short black screen .

Going to the Benq service forum to see that this seems to have become a 78C's common disease. Of course, BenQ will not recognize this. The customer service staff "crocodile baby" is always good, only need to send the monitor to the nearest BenQ service. Center, spend 120 yuan maintenance fee can be repaired.

Finally, some people can't stand this explanation, posting their own repair of 78C: There is a blue rectangular relay in the three sinks on the circuit board (logo seems to be RL301) Delcoat, it can be soldered.

It is a computer, although I also have to do something, but I really need some courage to open the display, let alone may be high voltage. So after this solution, I didn't dare to do myself in the past year.

Under the encouragement of a classmate today, I finally opened the housing of the display. I found the mysterious blue small box. Heavy soldering iron soldered it with a solder net, and installed the top cover. It has been good for more than two hours. Although the screen picture is not completely stable, there is already a quality change, there is no great jitter. Since the successful display of the display, there is still a very happy thing.

If you also have acer 78c or similar display, there are similar situations. It is recommended that you can try this way. The distance between several solder joints of this relay is very large, can be restored, even if it is like me The same welding level should also be easily set!

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