bonjour très bien expliquer merci pour ce cours sur les signaux important d'une carte mère de laptop et merci pour la traduction en français ,ça m'a permis de suivre votre cours ,je vais suivre toutes vos vidéos, je vous salut depuis la France , je vous dis a bientôt sur votre chaîne
BTW thanks for informative/ educational for a person journeying into computer repair myself. Your explanations and detail flowcharts is amazing. I wish you can PDF those flowcharts for us to keep so we can keep and retain those knowledge tho
I had some cases with PLT RST HI but no image and no caps lock, what do you think in such cases? Tested good bios bin, cleaned...if you have that kind of case you can make a video :)
Would be a good idea to number the diffent stages to be able to logically track the various signals... But excellent work and your English is excellent . Kindly do a video explaning how to track the sequence using a schematic diagram if possible. Thanks again!!!!
sir please we need video like this every week..please..this video is not informative one step above this is wealth for those who tries to understand and learning motherboard repair..thanks a lot for this amazing educational content
Thank you very much for detailed explanation. Is this for both desktop motherboards and laptops? Is PBTN.OUT a voltage drop from 3.3V to 0V when the button is pressed? I work on a motherboard where it is only 0.8V when not pressed (it drops to 0 when pressed). I think this is not correct but all the voltages supplied to Superio seem to be present, I'm puzzled....
Really excellent, informative and clearly explained video. Thanks! Question: are signals transient, or do they remain and can be detected with a multimeter? Like high and low? Or a signal turns high for a short period and then reverts to low once the signal is passed and acknowledged?
hello, can you explain how to measure the important signals on a multimeter or oscilloscope for each signal explained (on youtube there's a lot of theory and little practice)? thanks in advance. From france
Hi brother First check the 3.3v ldo at the EC chip If it is there try reprogramming it befor you decide to replace it.. and is worth checking the EC ON line for short circuit to GND...
It will be a voldtage normally.. 3v is High or 0 v Low Pulled up 0v->3v Pulled down 3v->0v Trigger up 0v->3v-0v over mll seconds Trigger down 3v ->>0v->>>3v over mil seconds
Its the 3 and 5 VALW power supply chip This chip will generate the 3v LDO directly after it receives the adapter 19v and then it will produce the 3VALW and 5VALW when it receives the enable signals at the ENTRIP1 and 2 pins from the EC Chip
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bonjour très bien expliquer merci pour ce cours sur les signaux important d'une carte mère de laptop et merci pour la traduction en français ,ça m'a permis de suivre votre cours ,je vais suivre toutes vos vidéos, je vous salut depuis la France , je vous dis a bientôt sur votre chaîne
BTW thanks for informative/ educational for a person journeying into computer repair myself. Your explanations and detail flowcharts is amazing. I wish you can PDF those flowcharts for us to keep so we can keep and retain those knowledge tho
I just watched this again. This is very informative. Very detailed and simplified, Thanks a million brother.
Thank you so much brother
Thank you brother. Always learning something new.
Thank you brother , very informative , tracking signal is very hard .
U R welcome brother
nice explain please give us more of this field .. thank u
Excellent presentation sir
Thanks brother
Thank you brother , very informative
We must memorising all those signals in-order to troubleshoot laptop ? 😁
I had some cases with PLT RST HI but no image and no caps lock, what do you think in such cases? Tested good bios bin, cleaned...if you have that kind of case you can make a video :)
Would be a good idea to number the diffent stages to be able to logically track the various signals... But excellent work and your English is excellent . Kindly do a video explaning how to track the sequence using a schematic diagram if possible. Thanks again!!!!
sir please we need video like this every week..please..this video is not informative one step above this is wealth for those who tries to understand and learning motherboard repair..thanks a lot for this amazing educational content
I will try to do my best brother
Thank you for your support
I just stumbled upon this channel and I’m loving the information plus the length of the videos.💡💡💡
Again, very nice work. Thank you.
You welcome brother
that was a good explanation regarding on laptop signals.. keep it up bro..
very informative thank you
Very helpfull, thank u..
Thanks very much sir 🙏.
thanks amillion Brother
Thank you Sir, very informative
👏👏👏👏👏👏👏👏👏👏👏👏
Muito bom!! 👏👏.
Thank you very much for detailed explanation.
Is this for both desktop motherboards and laptops?
Is PBTN.OUT a voltage drop from 3.3V to 0V when the button is pressed?
I work on a motherboard where it is only 0.8V when not pressed (it drops to 0 when pressed). I think this is not correct but all the voltages supplied to Superio seem to be present, I'm puzzled....
Really Really helpful videos, I really don't think anyone is giving this kind of info on you tube right now, thank you....
U R welcome brother
I am glad you liked my content
😊⚘
Thank you friend
I really appreciate your valuable comments
Really excellent, informative and clearly explained video. Thanks!
Question: are signals transient, or do they remain and can be detected with a multimeter? Like high and low?
Or a signal turns high for a short period and then reverts to low once the signal is passed and acknowledged?
Very very very niiiiice u r proff man thank u man
Good
Thank u my friend
U R welcome brother
Very Helpful!! Keep Going !!
Thanks need more videos logic level sir ❤
U R welcome brother
you are the best mannnnn
Thank You... Sir.
Nice Explain
It's amazing thank you
thank you sir.
Thank yu very very mutch Brother..
U R welcome brother
hello, can you explain how to measure the important signals on a multimeter or oscilloscope for each signal explained (on youtube there's a lot of theory and little practice)?
thanks in advance. From france
thank you sir but can tell me for bios supply when get power after press power or after and from ldo or not some explanetion pls
Sir please do a video on how to use oscilloscope in laptop repairing..thank you!godbless
I will try to do that as soon as I can
Thank you so much brother
Thank you, sir, for this beautiful explanation, but how do we know that the signal is missing?
U R welcome brother
You need to follow the power up sequence and check for each signal whether it is present or not
He My great teacher... ec on signal not produced.. what would I need to check.
1. Replace ec
2. Reprogram ec
10th gen laptop
Hi brother
First check the 3.3v ldo at the EC chip
If it is there try reprogramming it befor you decide to replace it..
and is worth checking the EC ON line for short circuit to GND...
Please make a video of how to check the kbc..
Can you explain how to measure these signals with a multimeter
It will be a voldtage normally.. 3v is High or 0 v Low
Pulled up 0v->3v
Pulled down 3v->0v
Trigger up 0v->3v-0v over mll seconds
Trigger down 3v ->>0v->>>3v over mil seconds
it is siganl is always present?
what if i have the PLT_RST# but the display still not showing?
You may have an issue with the screen connector and or the screen itself
Wrre can will locate the ldo
Its the 3 and 5 VALW power supply chip
This chip will generate the 3v LDO directly after it receives the adapter 19v and then it will produce the 3VALW and 5VALW when it receives the enable signals at the ENTRIP1 and 2 pins from the EC Chip
Where is vr on for vrm
Could you please make class how to fix signal missing on board? . Thank you sir 😊
U R welcome brother
I will so such a video in near future
Thank you so much