https://youtu.be/EQU_ULxAVjs
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3V ALW On Power Logic of Laptop Standby Circuit TPS51427A chip complete testing step by step
tps51427a, isl6237, rt8206b laptop step down 3v-5v section ic working sequence with practical testing and 3v alwon power logic concept.
working concept of tps51427a, isl6237 and rt8206b
#lciit #selflearingvideocourse #laptopchipleveltraining
3v alw on power…
working concept of tps51427a, isl6237 and rt8206b
#lciit #selflearingvideocourse #laptopchipleveltraining
3v alw on power…
https://youtu.be/3gA_oMo_lgE
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How to Check LPC clock19.2 Mhz By DSO On Braswel Laptop Motherboard
19.2 MHZ LPC CLOCK AND 19.2 MHZ PCH CRYSTAL PRACTICAL TESSTING BY DSO ON INTEL BRASWELL CPU BASED LAPTOP MOTHERBOARD.
IF THIS CLOCK IS MISSION THEN NO DISPLAY PROBLEM OCCURS IN LAPTOP . LPC CLOCK MISSING IS ONE OF THE MAIN REASON FOR NO DISPLAY. ALWAYS CHECK…
IF THIS CLOCK IS MISSION THEN NO DISPLAY PROBLEM OCCURS IN LAPTOP . LPC CLOCK MISSING IS ONE OF THE MAIN REASON FOR NO DISPLAY. ALWAYS CHECK…
BOARD TRIPPING PROBLEM WITH RAM CULPRIT - TRIP RESISTOR OF STEP DOWN CIRCUIT.
PROBLEM: SIR. EK.ACER ZQS. KA MB AAYA HAI DEAD ME 3/5 IC KHARAB THA CHANGE KIYA 3.3 BAN RAHA THA 5 NAHI BAN RAHA THA THEN CHECK KIYA ENTRIP KA RESISTER MISS THA SCHEMATIC PAR ENTRIP KA RESISTAR 107K THA MUJHAI SAME NAHI MILA TO 100K LAGAYA 5 BAN GAYA ABHI PROBLEM A HAI WITHOUT RAM THIK CHAL RAHA HAI OFF NAHI HOTA
BUT RAM LAGANE SE ON HOKAR OFF HO RAHA HAI
SIR KIYA ENTRIP KA PROBLEM HO SAKTA HAI KIYa
SOLUTION: Sir case done 110k ka resistar dala display aa gaya trip v nahi ho raha. Thankq so much sir
PROBLEM: SIR. EK.ACER ZQS. KA MB AAYA HAI DEAD ME 3/5 IC KHARAB THA CHANGE KIYA 3.3 BAN RAHA THA 5 NAHI BAN RAHA THA THEN CHECK KIYA ENTRIP KA RESISTER MISS THA SCHEMATIC PAR ENTRIP KA RESISTAR 107K THA MUJHAI SAME NAHI MILA TO 100K LAGAYA 5 BAN GAYA ABHI PROBLEM A HAI WITHOUT RAM THIK CHAL RAHA HAI OFF NAHI HOTA
BUT RAM LAGANE SE ON HOKAR OFF HO RAHA HAI
SIR KIYA ENTRIP KA PROBLEM HO SAKTA HAI KIYa
SOLUTION: Sir case done 110k ka resistar dala display aa gaya trip v nahi ho raha. Thankq so much sir
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✅ SHASTRI NAGAR, NEW DELHI
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