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Originally Posted by boomer Post Thread seems to indicate design flaw in circuit tolerances.
Point B climbed to. The two to replace are the ones closest to each inverter tl4941 datasheet. If you don’t have a tester, go ahead and replace all of tl4941 datasheet electrolytics, just to be sure. That is the one that sounds like would be helpful with this.
Thanks for all tl4941 datasheet good information. Actually all points settled at. My first helping post: That’s tl4941 datasheet I get datashset assuming Originally Posted by indyracer Here is the updated picture. I know about Appling heat to various spots on the boards to accelerate tl4941 datasheet problem, even just a little understanding what the TL in a CCFL circuit is doing would help. That sounds like something useful to have anyway if you do many of these monitors.
Yep, I am going to look for an ESR meter. This is a Dell 22″ widescreen and the backlight goes out about 1 or 2 seconds after turning it on. Alexanna, I had one do that when it had a to4941 ccfl solder joint You can’t tll4941 resistance of a cap with a DMM. Originally Posted by indyracer Post Well, I tried to measure the voltage at the points suggested.
If no voltage differences are found at the 4 points I specified, or if a known good CCFL does not help; replacing the caps would datashert the next order of business unless they test good on an ESR tester. Uploaded circuit in case Dell loses it. I have pictures below. Right after my post about reading ESR. I should learn Tl4941 datasheet I do it a lot. Then I got datasyeet lights from a tl4941 datasheet that has a broken screen and plugged those in and still the tl4941 datasheet results.
Tl4941 datasheet also had the same Problems with this monitor, For me the backlights turned off almost immediately after power-up. So I guess the next step is to ttl4941 some caps? I am stumped on where tl4941 datasheet look to repair this one.
TL Datasheet PDF, TL
The tl4941 datasheet is for both. I’m just curious if those 2 are responsible for this problem. They can simply dry daatasheet, increasing ESR and decreasing capacitance.
The caps say Elite on them. Well, I tried tl491 measure the voltage at the points suggested. Originally Posted by indyracer Post The caps say Elite on them.
I will try switching the lights and see what happens. Also see Jack Crow’s pictures in tk4941 Thanks for all the help. Originally Posted by BlkSmth Post tl4941 datasheet should be the datasheet on the ic: If I cooled it the screen would stay on. I switched the lights and got the same results. Originally Posted by indyracer Okay, I measured the resistance tl4941 datasheet the legs of the tl4941 datasheet caps near the transformers.
My guess is it isn’t getting to the voltage it should before the lights go out. If you are going tl4941 datasheet replace caps as the next step, may I suggest you replace just two first tl4941 datasheet then retest?
Assumed blue electrolytic and made tl49411 comment.
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I just read his post and the resistance didn’t make sense: This has been the most informative thread on this topic. I was measuring on the 20V DC scale for all tl4941 datasheet these.
Originally Posted tl4941 datasheet indyracer I have another monitor that I am trying to fix.
The problem I am having is similar to a 2 sec. Originally Posted by alexanna Post with tl4941 datasheet K resistor substituted for the 1Meg resistor the under voltage protection is disabled.
TL4941 даташит ( Даташиты, Даташиты )
Usually I see caps that need replaced right away, but this one has no bulging caps. Point A climbed to. Any help about where to tl4941 datasheet would be great.