• ASUS GL552VW rev. 2.0 nie włącza się na samej baterii

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#1 ASUS GL552VW rev. 2.0 nie włącza się na samej baterii


by grigoriii 23 September 2023, 12:21
Cześć,

mam laptopa po zalaniu który nie startował, zalanie było w okolicach układu PU8301 na linii +1.0VSUS[PCH]. Zalanie wyczyszczone i przelutowane elementy, laptop wystartował i działa. Niestety jest jeszcze jeden problem, a mianowicie startuje z samego zasilacza, startuje z zasilacza z wpiętą baterią, ale gdy jest tylko wpięta bateria to nie reaguje na przycisk power. Wystarczy wpiąć na chwilę ładowarkę i włączyć laptopa i można odłączyć ładowarkę - laptop działa dalej bez problemu na baterii. Ładowanie baterii działa.

Przy wpiętej baterii napięcia:
PL9801 - 12,36V

Na PU8901:
n5. ACOK - 0V
n.11 SDA - 0V
n.17 BATSRC - 12,36V
n.18 BATDRV - 18V
n.24 REGN - 0,35V
n.28 VCC - 12,36

Gdy Jest wpięty zasilacz to na REGN mam 6V czyli ok bo działa przepinanie z zasilacza na baterię.

Na złączu klawiatury (włącznik jest z klawiaturą) n5. jest napięcie PWR_SW zarówno przy wpiętym zasilaczu i na samej baterię.

Załączam część schematu z chargerem BQ24780S.

Dzięki za wsparcie.

Image

Re: ASUS GL552VW rev. 2.0 nie włącza się na samej baterii


by Google Adsense [BOT] 23 September 2023, 12:21
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