Re: lenovo yoga 13 mb panasonic
thank you my friend
The problem was the diode Not Found
Maybe Previous maintenance result
And I replaced
Now the device is working normally...
Thank you to the guys at HEGE supporting Badcaps [ HEGE ] [ HEGE DEX Chart ]
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Re: hp 250-g6 \la-e802p no power
Thank you my friends
I changed all the charging MOSFET and discharging MOSFET
And the device is working properly...
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Re: lenovo yoga 13 mb panasonic
dc in mosfet If the device is working pin1=19.3 pin 4=25 pin 8=19
dc in mosfet If the device does not work pin1=20 pin 4=26 pin 8=20
In both cases ic bios vcc 3.3v
In both cases power button =3.3v
I do the following:
flash BIOS
clear me
replace the charging ic bq735
replace ic 8150l
But the same problem
Any suggestions?...
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Re: lenovo yoga 13 mb panasonic
yes I mean its working only when RTC cell and adapter and battery is removed
and I don't have schematic...Last edited by Rekoo1997; 11-08-2022, 07:37 AM.
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lenovo yoga 13 mb panasonic
Hello all friends.
yoga 13 mb panasonic
not working when rtc is conncected or charger connected after shutdown
in another meaning
no power if any volt in mb but led power is on and no current
but if remove rtc and battery and charger its working
i flashed bios and clear me but still proplemLast edited by Rekoo1997; 11-07-2022, 08:48 AM.
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Re: hp 250-g6 \la-e802p no power
pin 20 = 19.57
pin 16 = 6.08
pin 17 BTST = 5.87
pin 4 = 0.77
pin 3 = 0.77...
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Re: hp 250-g6 \la-e802p no power
all DCin mosfets and chargind mosfet is ok...
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hp 250-g6 \la-e802p no power
Hello,
I have la-e802p Mainboard
+19V_VIN ok
+19VB not found and ACDRV not found
PRB9 is ok
if connect battery and chrarger the device work on battery
i changed ic CHARGER but same problem
Can anybody let me know what I'm missing?Last edited by Rekoo1997; 09-04-2022, 07:39 AM.
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Re: Dell 6540 cmos battery ( no data )
"No data " I meaning the laptop running power but no display and no response
And power supply current 1.2 amp
But if I remove cmos battery all things working fine...Last edited by Rekoo1997; 10-10-2021, 10:16 AM.
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Dell 6540 cmos battery ( no data )
Hi
Dell model : la-9411p
Laptop it working power only (no data ) if connect cmos battery but if remove cmos battery and turn on laptop working fine but if restart no data
I have tried flashing more bios
And cleared me but still problem
Please call help me
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