• Dell Inspiron 15 3511 - brak startu, grzeje się charger

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Dell Inspiron 15 3511 - brak startu, grzeje się charger

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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.
  3. Before posting a new topic please read all topics in TRAININGS subforum and make a preliminary diagnostic based on the content of those trainings.
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#41 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 5 January 2024, 15:53
Resistance is 330ohm .... short circuit test on PRB02 ?

Re: Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by Google Adsense [BOT] • 5 January 2024, 15:53

#43 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 5 January 2024, 17:08
Repeat the test on PRB01 or PRB02? On PRB02 at 1V, current consumption is 0A

#44 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by matic • 6 January 2024, 20:07
Measure the resistances on all coils in reference to any pin of resistor PRB02.

#45 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 8 January 2024, 09:58
PL301 - 20kohm
PL1801 - 2,3Kohm
PLG2 -840ohm
PLZ01- 230ohm
PLZ02 -220ohm
PL501- 11,5kohm
PLB01- 200kohm

#46 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by matic • 8 January 2024, 10:33
Perform a short circuit test on any pin of resistor PRB02. For a short circuit test limit the voltage to 19V.

#47 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 8 January 2024, 10:56
19V - current consumption 0.02A - no short circuit on PRB02

#49 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 8 January 2024, 11:39
57.4ohm .. checked on two multimeters

#51 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 8 January 2024, 15:50
I'm sure the measurement is 57ohm (not kohm)

When connecting the power supply, service to perform a short-circuit test - the short-circuit diode will flash for a fraction of a second to indicate a short-circuit, but it immediately disappears and no current consumption is visible

#52 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by matic • 9 January 2024, 09:03
Disconnect the power supply and main battery then wait about three minutes and remeasure the resistance to ground on any pin of resistor PRB02 with both polarities of test leads.

#53 Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by pawel1978 • 9 January 2024, 10:02
The board was unplugged all night - without power or batteries. Resistance from PRB02 to ground on both pins in both directions 50.1 ohm.

After desoldering PUB01, the resistance on PRB02 to ground is 272 ohms

---
edit;

I replaced PUB01 again, the notebook started again. After connecting the battery, the consumption is 0.04A and nothing happens. The equipment was returned to the owner, working but without a battery or charging. It is not always possible to solve the problem - Thank you very much for your help and time.

Re: Dell Inspiron 15 3511 - brak startu, grzeje się charger

by Google Adsense [BOT] • 9 January 2024, 10:02
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