nice blown antec thread

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  • cmlewis89
    LG 47LB5DF blown power supply board
    by cmlewis89
    Hi folks,

    I'm new to this forum. So my trusty 17-year-old LG 47" LCD recently died. As I was booting it up, I heard a hum followed by a loud bang, sounds of pieces flying around, and loss of power to the unit. Inspecting the PSU, I saw two obvious problems: a blown thermistor (bang + flung pieces) and a visibly bulging main cap. Inspecting as many components as I could with my Fluke MM, I diagnosed that the following components on the "hot side" of the board were also bad: one of the 2 main MOSFETs, main 8A fuse, small cap (25V 47uF) connected to main caps, and a blown...
    09-03-2024, 07:50 PM
  • s_henya
    Antec VP-600P and NE550M dead
    by s_henya
    Hi all,

    Got in these 2 nice PSUs, both died after power surge.
    Both seems to be suffering from the same fault.
    Blown main fuse
    Shorted N mosfet 550v
    VP-600P: 5R280CE short between GDS
    NE550M: MDF18N50 short between GDS

    In terns of board layout these seems pretty identical.

    From past knowledge, once gate get shorted, most likely the for the driver to go bad as well.
    I never tried to salvage blown fuse PSU with shorted Mosfet due to that.

    Is it worth to try and replace the mosfets? is there a chance that the...
    12-03-2024, 10:00 PM
  • drscoot
    HP X360 convertible battery blown fuse error, not charging
    by drscoot
    HP Modelnumber: 14-dh0061nb​
    This laptop had a shorted cap on a Vcore section. After replacement is works again. But there is still a battery issue.
    The battery is HT03XL and with the built-in component test from HP, in the Power section, I get an error: Logic State: Calibration required (20), Charge state: Blown Fuse (42)
    I have another same battery, also with error: Logic State: Very Weak (70), Charge state: Blown Fuse (42)
    And a third battery TF03XL (looks identical) with error: Logic State: OK (0), Charge state: Blown Fuse (42)
    All these 3 batteries are charging...
    12-15-2023, 05:54 AM
  • Admin
    Forum Rules - Updated!
    by Admin
    FORUM RULES *ALL NEW MEMBERS, PLEASE READ! UPDATED!*

    First and foremost, welcome to the Badcaps Part Search Engine & Electronics Repair Forums!

    ***********************************************************
    IMPORTANT NOTICE ON FILE ATTACHMENTS
    As with any forum, we are susceptible to our users being targeted with malicious attachments in posts. We do our best to remove anything suspicious but need our users to be cautious. If you are unsure about an attachments legitimacy please ask directly under the post and wait for a reply by an Admin or Moderator. NEVER...
    12-04-2023, 08:53 AM
  • swerg
    Part selection for possible blown inductor on ASUS GX531-GW-AB76 laptop mobo
    by swerg
    Hey everyone,

    I'm a novice trying to repair my laptop. The LCD screen has an image, but no LED backlight for the image. It also produces an image when connected to an external monitor.
    I have found what I believe to be a blown inductor labeled "L4502" and "120 Ohm" in the schematics (zoomed in image, blue arrow to blown component). I have included an image of the general area of the mobo and an excerpt from the schematics as well.
    I am having trouble selecting a replacement component, which I believe to be a 120 Ohm ferrite bead, from the components...
    06-06-2024, 03:39 PM
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