• Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

It is currently 9 March 2025, 23:21

Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

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#1 Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by timon521182 • 1 February 2025, 15:54
Witam problem z płytą NM-D562 rev 2.0 nie daje obrazu na matryce oraz na monitor zewnętrzny, po naciśnięciu włącznika świeci włącznik i klawiatura wentylatory się kręcą. Podmieniłem ram. przeinstalowałem bios. Aktualnie auta startuje automatycznie po otrzymaniu zasilania pobór 1,3A-1,0A
Napięcia które zmierzyłem prezentują się następująco:

PL4005 1,26V
PL4006 1,26V
PL2001 0,75V
PL2002 0,75V
PL2003 0,75V
PL2004 0,75V
PL2005 0,75V
PL6601 1,78V
PL5401 0,22V
PL7701 0,75V
PL3001 1,22V
PL7901 10,23V
PL6201 3,3V
PL6202 5,07V
PL1009 0,77V
PL1003 1,09V
PL1004 1,09V
PL1005 1,09V
PL1006 1,09V
PL6801 0,955V

Na złączu matrycy JEDP1
pin1,2 19,2 V
pin 4-7 0V (bez matrycy, z podpiętą matrycą)
pin20 3,3v
pin21 5v
czy problem leży w UV9 SY6288E1AAC który nie podaje sygnału LCD_VDD_Out
UV9 PIn 5 3V
UV9 do masy
pin1 3,6kohm
pin2 0ohm
pin3 31 mohm
pin4 12,8 kohm
pin5 4,6kohm

Re: Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by Google Adsense [BOT] • 1 February 2025, 15:54

#3 Re: Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by timon521182 • 3 February 2025, 16:10
JEDP1
Pin8 0V
Pin9 0V
Pin10 0V
Pin11 0V

UV9
pin3 0,04V
pin4 0.01V

rezystancja do masy
UV9
pin3 20 Mohm
pin4 12,8 kohm

#5 Re: Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by timon521182 • 3 February 2025, 17:22
UV18 is not occupied

Pin 1 0.0V
Pin 2 0.0V
Pin 3 0.0V
Pin 4 0.0V
Pin 5 0.0V
Pin 6 0.0V
Pin 7 0.0V
Pin 8 0.0V
Pin 9 0.0V
Pin 10 0.0V
Pin 11 0.0V
Pin 12 0.0V
Pin 13 0.0V
Pin 14 0.0V
Pin 15 0.0V
Pin 16 5V
Pin 17 0,0V

#7 Re: Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by timon521182 • 5 February 2025, 15:55
My board is with GPU
UC2
Pin 2 0V
Pin 4 0V
pin 5 3,3V

UC3
Pin 2 0v
Pin 4 0V
Pin 5 3,3V

#9 Re: Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by timon521182 • 25 February 2025, 19:42
Niestety klient zabrał laptopa rezygnując z naprawy

Re: Lenovo 5 15ACH6H NM-D562 rev 2.0 - brak obrazu

by Google Adsense [BOT] • 25 February 2025, 19:42
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