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| HP Probook 450 G3 (DA0X63MB6H1 REV:H) Battery not charging https://vlab.su/viewtopic.php?f=53&t=96539 |
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| XPinG [ 15 ноя 2019, 12:46 ] | |
| Заголовок сообщения: | HP Probook 450 G3 (DA0X63MB6H1 REV:H) Battery not charging |
Hi everybody, Lately my Laptop an HP Probook 450G3 stopped charging the battery, in the diagnostic it says blown fuse, change battery I bought a new battery but this dis not resolve the problem, so I started digging but did not manage to find the right brd file, All the files I found on the net using the Quanta board name : DA0X63MB6H1 REV:H lead to a wrong file that is clearly not my board Does any one have already deal with such problem on a 450 G3, could you please give me hints on where to start troubleshooting Thanks in advance |
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| jocker [ 17 ноя 2019, 00:06 ] | |
| Заголовок сообщения: | Re: HP Probook 450 G3 (DA0X63MB6H1 REV:H) Battery not charging |
check bq24780s voltages. pdf bq24780s - google. |
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| XPinG [ 17 ноя 2019, 17:35 ] | |
| Заголовок сообщения: | Re: HP Probook 450 G3 (DA0X63MB6H1 REV:H) Battery not charging |
Hi jocker, Thank you for your reply, my thought had already led me to that chip, I tested : VCC = 19V BATDRV, BATSRC and BTST are at battery voltage at 14.5V, ACDRV is at 24V, CMSRC = 19V REGN = 6V BATPRES(inv) = low, so battery detected TBSTAT(inv) = 17mV Could you please help me on how to do further tests, I'm not a professional in any kind in repair field and I'm doing that to repair my own laptop Is there any chance that you have the correct brd file that could help me alot finding test points :) Best regards Posted after 2 hours 53 minutes 45 seconds: Here is an addendum to my previous post showing the actual position of the PQ24780s on my board Вложение: photopq24.png Versus its positoin and surrounding component that I found on the brd file available on the net Вложение: brdx63.PNG Than you a lot for your help |
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| jocker [ 17 ноя 2019, 20:46 ] | |
| Заголовок сообщения: | Re: HP Probook 450 G3 (DA0X63MB6H1 REV:H) Battery not charging |
incorrect brd or another revision. smd around bq ! |
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| XPinG [ 18 ноя 2019, 01:09 ] | |
| Заголовок сообщения: | Re: HP Probook 450 G3 (DA0X63MB6H1 REV:H) Battery not charging |
Yes sure that the brd file that I have is wrong Here is a picture of my board number Вложение: 20191117_203927.jpg Do you have a brd file that has the same smd layout as mine around PQ ? What's your opinion about my measurements do they seem right to you ? do you know on which pin does the PQ order to the MOSFET to charge the battery ? Thanks in advance BR |
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