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
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
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!!!!
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 :)
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?
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....
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