Re: Problems with Samsung 740N monitors
Did a resolder and all works perfectly now.
Thanks
Did a resolder and all works perfectly now.
Thanks
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Re: Problems with Samsung 740N monitors
Hello everyone, My 740N gets the power but doesn't stay ON for long. I turns ON for a fraction of a second and then OFF and that keeps happening. The power LED(on the button) keeps blinking while the display is OFF.
The display does function correctly as when it does turn ON for that fraction I can see everything working fine.
Before this happened, from past few weeks/month ago it used to take 5-8mins for the display to turn ON. I should have tried to fix it that time.
When under warranty few years back I think I had a similar problem not sure but that time the Samsung guys had replaced 2 CapXon capacitor(2x1000uF 10v)So I am guessing the rest are the terrible CapXon and might be the problem?
What is the first step to know what I need to replace? I haven't opened mine yet and checked for bulged capacitors, but I have already bought all the required capacitors from local shops. (from the reference/manual/ebay listings available online)
My soldering experience is minimal and I have never done any capacitor-PCB soldering that was this critical, hope it goes fine.
Thank you for the help.Comment
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Re: Problems with Samsung 740N monitors
Open, take pictures, share with the whole class.
If you can use a soldering iron without stabbing yourself in the eye or setting fire to yourself, you should be fine to do the caps. Take your time.Comment
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Re: Problems with Samsung 740N monitors
i think that the caps are bad, open it up and see for any bulged oneComment
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Re: Problems with Samsung 740N monitors
Yep, those purple ones don't pass the flat top visual inspection, get those changed with some good ones. Change the blue ones while you're at it.Comment
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Re: Problems with Samsung 740N monitors
Change only the bulged ones, fire it up and see how it goes
My guess is a working monitor
Comment
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Hello,
I'm having an issue with the Samsung 740n's phase control setting. When I use the automatic adjustment, it sets the value to around 54 (with a range of 0-100), and the picture looks clear and sharp. However, after some timeβlike after playing a gameβthe text starts to look blurry. When I auto-adjust again, it may increase the value to 80, and everything becomes sharp once more. Yet, after a while, whether it's a few hours or a day later, the same blurriness returns, and I have to adjust it again.
I'm using the Samsung 740n monitor drivers instead of the default plug-and-play... -
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