Hi, I have problem with asus tablet p01z. Tablet is not charging, it show only red battery when I press power on. I think problem is this component marked with red circle. Can some one tell what is that and how to solve the problem?
asus tablet p01z charging problem
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Re: asus tablet p01z charging problem
It`s not the battery, I allredy charged it with external charger. Its strange problem. When I plug in charger it show red battery. When I press power its the same, red battery. I menage to go in recovery and when I reboot from recovery tablet starts but in the battery indicator show ? and 0%.Comment
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by ahmarzoHave hp laptop motherboard part no opp 17 diner skl/kbl 15289-2 with charging problem.the laptop shows plug in charging but percentage doen not increases.the schematic or boardview is not available.
Charging ic is bq737 with voltages on pin no
1&2 -19v
34&5 -0v
6 -2.56 v
7- 0v
8&9 -3.15v
10 -0v
11 -0.18v
12 & 13 -13v
14&15 -0v
16 -6v
17;18&19 -13v
20 - 19v
Voltages on battery connector are
1&2. -13v
3&4 -3.14 v
5&6 -0v
8&9 are ground... -
by ThomasraudHello,
i have similar problem as https://www.badcaps.net/forum/showthread.php?t=37828
QUOTED
-It works on charger (without battery connected-only charger)
-It works on battery (without charger connected-only battery)
-& it also works when plugged in battery & charger, but it's not charging the battery
//Confirming, i have same issue, but problem started from charger, centre PIN is outputing 10V+ and jumping randomly 19V
and..
QUOTE
The IC cannot maintain the input current level... -
by kosmoi attach only battery to the laptop and it show orange led,when it loads windows right below corner it sais battery is charging
, i plug the charger and its charging normaly, i remove the charger and keeps say battery is charging, with charger plugged in when it charge full the led becomes green and after i remove the charger the green led of full charge is still on. any ideas?...
01-22-2021, 09:31 AM -
by johnbetonHello,
I have an Asus X415EA board that is not charging the battery after some liquid damage. Everything else works, except charging the battery.
So far I measured all the pins on the bq24780s controller with the following result:
1. ACN = 0.0V
2. ACP = 19.02V
3. CMSRC = 18.5V
4. ACDRV = 23.9V
5. ACOK = 5.9V
6. ACDET = 2.57V
7. IADP = 0.17V
8. IDCHG = 0V
9. PMON = ?
10. PROCHOT = 5.05V
11. SDA = 3.3V
12. SCL = 3.3V
13. CMPIN = 0.47V
14. CMPOUT = 6.0V
15. BATPRES = 0.0V
16.... -
by kity92I ordered a Bluetooth earbud one and half year ago, and right earbud broke. The light that should have been red when you put it in the charging case started to turn blue continuously(which means earbud is not charging) and after 1 week the earbud completely died. I disassembled right earbud because the warranty finished. I diagnosed the battery was dead, so I charged it with TP4056 and revived the battery.
Right earbud is working now but I still didn't solve charging problem. I checked the charging box with a multimeter. There is 5V. I checked the headphone pins and they are working.... - Loading...
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