Forwarded from SCHEMAGURU
AFS SOLUTIONS:
💥 Name AFS SOLUTIONS
💥Location : bangalore
💥 Laptop/desktop : laptop
💥 Model : Hp 15 U36
💥 Case : not power on..
💥 solution below....
💥 After a long lime my friend RTC came to meet me to help him out..
💥 this case is of HP QUANTA U36 GFX
💥 🙏 The diversion was liitle different... As this laptop been to other service centre after 1 month the customer was told to replace board..
💥 the customer gave this board to us a challenge to repair same board... I took an approval for 3000 at my risk for spares..
💥 step 1: check all tampered issues.. This was PGA socket to no tension of cpu and no tamper on board
💥 step 2: cleaned full board for corrosion..
💥 Step 3 : checked all coil values.. Every thing was ok..
💥 then why did the other service guy could not repair..
💥 step 4 : checked 3.3v, 5v. Its ok..
💥 step 4 : On off swith ok 3v
💥 then what was the issue..
💥 step 5; bios can be a reason for no power.. So created new bios and porgrammed.. Still no result..
💥 step 6: now it was time for Schematics... But exact Schematics not available.. Ok
🕶 now only theory could help me as i did not have same board..
💥 Step 7: downloaded i/o data sheet and folllowed all requirements.. I/o was ok..
💥 Step 8 : searched for convertion mosfet and checked gate v+ of 3/5v mosfet.. Input was ok no output...
💥step 9: now removed heat shink and followed pch requirements..
💥 step 10: its time for DSO..
💥 now my RTC came.. Checked 32.768khz crystal with dso and laptop on...
💥 step 11 : changed crystal and 2caps.. Tested board for 4 hours after filling working fine..
💥 knowledge was my investment and profit 3000...
💥 AFREEN.... The customer was 😊 happy 😊
💥 Name AFS SOLUTIONS
💥Location : bangalore
💥 Laptop/desktop : laptop
💥 Model : Hp 15 U36
💥 Case : not power on..
💥 solution below....
💥 After a long lime my friend RTC came to meet me to help him out..
💥 this case is of HP QUANTA U36 GFX
💥 🙏 The diversion was liitle different... As this laptop been to other service centre after 1 month the customer was told to replace board..
💥 the customer gave this board to us a challenge to repair same board... I took an approval for 3000 at my risk for spares..
💥 step 1: check all tampered issues.. This was PGA socket to no tension of cpu and no tamper on board
💥 step 2: cleaned full board for corrosion..
💥 Step 3 : checked all coil values.. Every thing was ok..
💥 then why did the other service guy could not repair..
💥 step 4 : checked 3.3v, 5v. Its ok..
💥 step 4 : On off swith ok 3v
💥 then what was the issue..
💥 step 5; bios can be a reason for no power.. So created new bios and porgrammed.. Still no result..
💥 step 6: now it was time for Schematics... But exact Schematics not available.. Ok
🕶 now only theory could help me as i did not have same board..
💥 Step 7: downloaded i/o data sheet and folllowed all requirements.. I/o was ok..
💥 Step 8 : searched for convertion mosfet and checked gate v+ of 3/5v mosfet.. Input was ok no output...
💥step 9: now removed heat shink and followed pch requirements..
💥 step 10: its time for DSO..
💥 now my RTC came.. Checked 32.768khz crystal with dso and laptop on...
💥 step 11 : changed crystal and 2caps.. Tested board for 4 hours after filling working fine..
💥 knowledge was my investment and profit 3000...
💥 AFREEN.... The customer was 😊 happy 😊
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Forwarded from SCHEMAGURU
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💥 pls click on the below link and rate for '5' STARS with postive review..
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Forwarded from SCHEMAGURU
Forwarded from SCHEMAGURU
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