Re: Dell e171fpb monitor no power or LED lights
'Puts out' has such a naughty connotation. I much prefer 'reads 0 volts', or what ever the reading was. Well, we've established the voltage into the IC is low. The two possible causes are the IC is bad, or for some reason the source isn't delivering enough voltage.
The two pictures in post number 7 cover the area I am interested in. I need a sharper picture of the top, and also a good, sharp picture of the bottom of that area.
Alternatively, there are several large resistors on the top side of the board in that area. With power unplugged, check the resistance of each of them and compare it to the color code.
The UC3842 is quite inexpensive - as low as $1.14 each, but I'd rather make sure I have you order the correct part rather than blindly replacing it.
PlainBill
Originally posted by miamiflorida
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The two pictures in post number 7 cover the area I am interested in. I need a sharper picture of the top, and also a good, sharp picture of the bottom of that area.
Alternatively, there are several large resistors on the top side of the board in that area. With power unplugged, check the resistance of each of them and compare it to the color code.
The UC3842 is quite inexpensive - as low as $1.14 each, but I'd rather make sure I have you order the correct part rather than blindly replacing it.
PlainBill
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