acer 4745g dead

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • bowor
    Member
    • Oct 2013
    • 36
    • indonesia

    #1

    acer 4745g dead

    can you please tell me picture this scheme!

    there vin_src voltage 19v. vin_on voltage 16v. but the voltage vin nothing at all. is the problem of the EC but for 3/5valw voltage there. please help!!!! thank you
    Attached Files
    Last edited by bowor; 11-18-2013, 05:15 AM.
  • robrock1
    Senior Member
    • Jul 2013
    • 129
    • Ghana

    #2
    Re: acer 4745g dead

    Flash bios first - is the battery charging? Do you have power good signals? If you flash bios and battery is charging, try to reflow southbridge or replace kbc.

    Comment

    Related Topics

    Collapse

    • tvguy12012012120
      Zombie Samsung UN55NU6900F dead / no standby voltage - randomly came to life after hours of troubleshooting then died
      by tvguy12012012120
      This is my first attempt at troubleshooting a board like this, I know I could just buy a new board but I'm curious to figure out how this works. I've been testing different components in the evenings this week and I think the problem is with the IC failing to start up for some reason. When the board is plugged in there is no standby voltage.

      Then today it randomly sprung to life like a zombie but shortly died thereafter. I have no idea why it would have done that and its the first time I've seen it running. I discharged capacitors on the board last night, then it was sitting today....
      02-07-2025, 05:13 PM
    • ruletero
      Acer a515-43 low battery charge voltage
      by ruletero
      Hi

      Acer A515-43
      LA-H801P

      Fail: Does not charge battery, has low voltaje on connector.

      Laptop didn't want to turn on, only charge led blinked.

      I found PQB5 (mosfet high battery charger) in short, voltaje in +12.6V_BATT was 19 v ...

      I changed it, changed PQB6 too and now battery charger voltage is 4.4V but battery is 3 cell, 11.25v, then is very low to charging.

      Laptop turns on without battery and works fine, but with battery turns on and turns off inmediately, I suspect battery bad but I don't know...
      10-24-2022, 02:31 PM
    • bripoll
      Acer Veriton N4670GT Dead
      by bripoll
      Hello, I have an Acer veriton n4670GT that, due to a fall to the ground, only started if I did a BIOS reset.
      The power button ar ok, and when power off windows, then if press power button, this power on, but goes to boot loop, like press power button forever

      It crossed my mind to try a BIOS update and when I finished it turned off and no longer starts in any way.
      I have a flash programmer, but the file you download from the Acer website has a .CAP extension, it is not a .BIN

      I have programmed it, but it still won't start, it is dead
      Before programming...
      11-23-2023, 02:56 PM
    • Document Archive
      Acer Aspire Aspire 9920 G-933G64HN Specification for Upgrade or Repair
      by Document Archive
      This specification for the Acer Aspire Aspire 9920 G-933G64HN can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Aspire 9920 G-933G64HN boardview and Aspire 9920 G-933G64HN schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet,...
      09-06-2024, 05:27 AM
    • Document Archive
      Acer Aspire Acer Aspire 7 Charcoal Black Notebook 7 Specification for Upgrade or Repair
      by Document Archive
      This specification for the Acer Aspire Acer Aspire 7 Charcoal Black Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Acer Aspire 7 Charcoal Black boardview and Acer Aspire 7 Charcoal Black schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties...
      09-07-2024, 05:00 AM
    • Loading...
    • No more items.
    Working...