• Acer Predator an515-57-782b [LA-L191P] brak reakcji na włącznik

It is currently 8 January 2026, 13:24

Acer Predator an515-57-782b [LA-L191P] brak reakcji na włącznik

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
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#1 Acer Predator an515-57-782b [LA-L191P] brak reakcji na włącznik

by przemekzn • 6 January 2026, 09:41
Witam, próbuje naprawić laptopa Acer Predator an515-57-782b [LA-L191P] ale laptop nie reaguje na włącznik, przy zasilaczu serwisowym zużycie prądu sekundowo skacze 0.019w a 0.079w czasami pojawi się 0.359w albo totalne 0w
Pl1001 21.5Ω
Plw1, 2 27.7Ω
Plv2-5 0.2Ω
Pl301 31.5kΩ
Pl501 58kΩ
Pl1801 2.03kΩ
Plm1 110Ω
Plb2 590kΩ

Na cewce pl501 jest 5v, brak 3.3v

Na termowizji widać że błyska pu301
Napięcia na pu301
Pin 1 spada z 1v do 0.14v
Piny 2-5 19.98v
Pin 6-10,19,20 0v
Pin 11 4.56v
Pin 15 1.721v
Pin 16 0.046v
Pin 17 3.25v

Re: Acer Predator an515-57-782b [LA-L191P] brak reakcji na włącznik

by Google Adsense [BOT] • 6 January 2026, 09:41

#2 Re: Acer Predator an515-57-782b [LA-L191P] brak reakcji na włącznik

by Machine • 7 January 2026, 09:28
Measure the voltages on pins 19, 65, 68, 99, 100, 101, 104, 110, 112, 116, 122 of KBC.
Measure the voltages on pin 114 of the KBC in the following cases:
at power off
with power on pressed
at power on.

Re: Acer Predator an515-57-782b [LA-L191P] brak reakcji na włącznik

by Google Adsense [BOT] • 7 January 2026, 09:28
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