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Re: hp elitebook 6930p no power
ok,i fix it. i try with original adapter and its work.
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hp elitebook 6930p no power
hi.. i working on elitebook 6930p no power, this i list my resistance :
L20 = 7.5 Ohm 0Volt
L21 = 6.5 Ohm 0Volt
L5 = 60 KOhm 0Volt
L49 = 36.3 Ohm 0Volt
L57 = 241 Ohm 0Volt
L53 = 1.21Kohm 0Volt
L54 = 59Kohm 0Volt
L55 = 1.7Kohm 0Volt
here [URL="https://www.badcaps.net/forum/showthread.php?t=45738&highlight=hp+elitebook+6930p"]schematic[/URL]hi.. i working on elitebook 6930p no power, this i list my resistance :
L20 = 7.5 Ohm 0Volt
L21 = 6.5 Ohm 0Volt
L5 = 60 KOhm 0Volt
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Re: Lenovo b450 LA 14 no power up 13mA
yes L15,or i am doing something wrong?...
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Re: Lenovo b450 LA 14 no power up 13mA
yes i have, here a result of L15 1.41kohm and another side is 1.29kohm. if i put black probe at ground the result 1.69kohm and another side 2.0kohm
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Re: Lenovo b450 LA 14 no power up 13mA
L6 = 1.27kOhm
L15 = 420 ohm
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Re: Lenovo b450 LA 14 no power up 13mA
found 19v at this point . here i list on ic u47:-
1) 1.4v
2) 0v
3) 2.0v
4) 2.0v
5) 0v
6) 1.3v
7) 0v
8) 3.3
9) 4.5
10) 0v
11) 0v
12) 4.9v
13) 1.48v
14) 3.3v
15) 0v
16) 19v
17) 4.9v
18) 0v
19) 0v
20) 0v
21) 0v
22) 4.5v
23) 0v
24) 0v
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Re: Lenovo b450 LA 14 no power up 13mA
I am wrong C528, not c258...c528 is 51125_VBST2...
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Re: Lenovo b450 LA 14 no power up 13mA
c258 = 4.5v
u20 resistance mode value :
pin 123 = 45kohm
pin 4 = 9kohm
pin 5678 = 4.6 M Ohm...
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Lenovo b450 LA 14 no power up 13mA
hi ..have a lenovo B450 no power Up. have 19v,3.3 v,5 volt but 5volt drop to 4.5v
L15 = 1.5 K Ohm
L6 = 34 K Ohm
L30 = 7.4 OHM
L7 = 18MOHM
L8 = 15.6OHM
L9 = 15.5OHM
L17 = 1.7KOHM
L16 = 18.6OHM
Schematic: [url]https://www.badcaps.net/forum/showthread.php?p=1244154#post1244154[/url]https://hi ..have a lenovo B450 no p...OHM<br /> L17Last edited by Vesko356; 06-03-2023, 01:35 AM. Reason: Attached schematic removed and replaced with link.
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Re: Thinkpad L460 NM-A651 Keyboard Problems
[url]https://support.lenovo.com/sa/en/solutions/ht103985-keyboard-keys-may-not-work[/url]Re: Thinkpad L460 NM-A651 Keyboard P...not-work[/url]
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Re: HP ProBook 4440s ONLY charges when OFF
mybe u need try to use live linux
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Re: Lenovo Yoga 700-14ISK at startup 4 beeps no display
hi.. try release keyboard and then ONLast edited by maxsim86; 04-27-2023, 06:16 AM.
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