Vizio V042L Completely dead!

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  • Tynan Dill
    Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?
    by Tynan Dill
    I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.

    Upon bringing it home and plugging it up, it showed a standby light.

    I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.

    The screen seems to blackout and stay black, but with a flashlight I can see the display.

    With my Playstation 4 connected via HDMI, and running a game I can hear sound.

    Assuming...
    ORIGINAL POWER SUPPLY BOARD
    7 Photos
    11-22-2024, 01:46 PM
  • k370
    Yoga3 Pro-1370 Board NM-A321 DEAD no power at all
    by k370
    Hi everyone,

    I have a NM-A321 board that is dead, with no power at all.

    When I received the laptop, the +5VPMIC line was shorted. Removing the PU3 (ISL95905) solved the short, so I ordered and replaced the ISL.

    With the new ISL, the short is gone, but still no voltages at all. I measured the following rails:
    • +3VALW
    • +5VAUX
    • 1.2VSUS_PWRGD
    • 3VALW_PGD
    • 1.05VAUX_PWRGD

    Additionally, the ISL95906 (PU3) is not getting any voltage on the VIN rail.

    The only place on the board where I find any voltage is on the first MOSFETs, specifically:...
    09-23-2024, 11:57 AM
  • fharris1977
    Vizio D50u-D1 Dead: PSU or Main Board?
    by fharris1977
    Hi. Anyone who has experience with these vizio sets, which pin on this connector is the standby, the 5V pin? Trying to rule out the PSU before ordering a mainboard. I'm getting 0 Volts on all pins on this connector. Trying to jump the standby and PS ON pins to see if the PSU is functioning. Thanks in advance.
    1 Photo
    03-12-2024, 12:22 PM
  • corrize
    Nikon D5 – dead, power board issue ?
    by corrize
    Hello, the DSLR has heavyly fallen. It is dead : no sign of life and display nothing.

    When it worked, it always displayed a card present state on LCD display, even when the battery is empty it display a empty battery symbol.
    I found a dead fuse, I replaced it and a mosfet burnt, I changed it and another fuse burned. Nothing burned after. And I can't find any short circuit anywhere, it's weird.

    Now, I try to understand how it works.

    There is two boards (the little one on pictures has no component) : the first is a « power board » : managing...
    04-03-2023, 09:13 AM
  • Asraf Atb
    Help Needed: Samsung UE55MU8000 Dead - Possible Main Board Issue
    by Asraf Atb
    Hi everyone,

    Im looking for some advice regarding my Samsung UE55MU8000 TV with main board model BN94-11606C. The TV suddenly stopped turning on and now shows no signs of life at all not even the standby light at the bottom.

    Initially, I suspected an issue with the PSU, so I took it to a repair center. They tested it and confirmed that the PSU works perfectly, even on other TVs. Based on that, I started investigating the main board.

    I disconnected the main board from the PSU, and the backlight turned on, which seems to confirm the main board is the issue....
    1 Photo
    01-27-2025, 05:02 PM
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