opethfan
Senior Member
Last Activity: 04-08-2025, 07:44 AM
Joined: 02-21-2015
Location: san fermo
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I don't have the battery because this board is sent from another repair shop and he sent just the board... -
REGN 6V is present
the BQ is new, i changed for first some days ago...Leave a comment:
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I have only:
pin 28 - 19v
pin 6 - 2.5v
pin 24 - 5.9v
pin 25 - 5.9v
other pins are all 0 volts...Leave a comment:
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ACDET now is 2.6v but still no power...Leave a comment:
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Leave a comment:
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GH5JJ TLA-K701 no charging no power no acdet
hi
i'm not skilled with laptop repair, i need some helps:
i don't have ACDET on PU1802 and in consequence i don't have ACDRV
please check pictures... -
Re: Acer a515-51G La-e892p charge up to 70%, charge led flashes
did you fix this? i have the same problemLeave a comment:
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LA-D661P acer es1-524-224t battery blinking
Hi
i have these problems:
- when plugged power supply, the laptop's orange led starts blinking
- the battery won't charge
- the voltages on the battery contacts without the battery plugges are around 3 volts
- the laptop is working good but it won't see the audio device
someone has same experience?
thanks -
Re: 820-2327-a long beep on startup and black screen
there isn't any hot ic.
After black screen it boots normally when i wait
in fact:
- sometimes it do a long beep and black screen
- sometimes only black screen
- sometimes after black screen it boot from drive normally
- sometimes after black screen nothing happen but fan continue spinsLeave a comment:
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820-2327-a long beep on startup and black screen
Hi
i have this macbook pro:
- 1 beep on startup and black screen
- sometimes it boot without problem
i try to replace ram and hdd without luck
can someone help me? -
Re: can't find p-channel mosfet
thank youLeave a comment:
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can't find p-channel mosfet
hi
i have to replace q7085 from a macbook board 820-2849
and the part is named HAT1128R01
but i can't find it.
i need to know some similar mosfet
thanks -
Re: 820-3209-a power on only without u7000
u9701 Vin present, enable voltage aren't present
removed capacitor, same 1.1 v
do you think i need to reball/replace smc?
remember that now when i plug battery, the fan starts to spin...Last edited by opethfan; 02-20-2017, 05:38 AM.Leave a comment:
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Re: 820-3209-a power on only without u7000
the resistance value are right, could be the capacitor c5304 ?
or maybe is low because 7.27 should be higher?Leave a comment:
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Re: 820-3209-a power on only without u7000
r5303 27k
r5304 5.4kLeave a comment:
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Re: 820-3209-a power on only without u7000
r5303 voltages: 7.27 v and 1.1 vLast edited by opethfan; 02-18-2017, 02:08 AM.Leave a comment:
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Re: 820-3209-a power on only without u7000
replaced with 100k size 402 not 201 but same 0v on pin 6 of q5300Leave a comment:
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Re: 820-3209-a power on only without u7000
3 7.6v
4 7.6v
5 3.8v
6 0v
r5302 is 30k and not 100k like schematicsLeave a comment:
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Re: 820-3209-a power on only without u7000
u7000 pin 13 is 3.4v
which fuse do you mean?
i checked pbusvsens_en on q5300 pin 2 and the is 3.4Leave a comment:
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Re: 820-3209-a power on only without u7000
pbus_s0-vsense is not present for example. I going to replace smc, right?Leave a comment:
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