Help Identifying SM Diode Acer S231HL LCD LED Monitor

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  • VitalComputing
    Help identifying component on main board of Acer KG281K monitor
    by VitalComputing
    Hi All

    This component is from the main board of an Acer monitor. I've been fighting this monitor all day and I refuse to let it beat me! Can anybody identify what this component might be?



    I have 20V on the input side of the component and nothing on the capacitors on the other side of it. Does it look damaged or does this component have two markings???

    thanks...
    02-12-2023, 02:41 PM
  • mobotest
    Acer S231HL LCD LED Monitor - No power then works after unplugged for a month
    by mobotest
    Hello,

    Monitor:
    Acer S231HL LCD LED

    Adapter:
    Delta Electronics ADP-40PH 19V 2.1 AC/DC

    Symptom:
    No monitor power LED light. Monitor did not turn on.
    Adapter measured 18.92V at adapter barrel connector.
    Then after a month of leaving monitor unplugged, monitor started working again yesterday.
    Adapter still measures 18.92V.

    Questions:
    1. Is 18.92V output within spec for a 19V adapter? or is it a sign of future failure?
    2. Does the described behavior indicate some component in the monitor that is faulty...
    01-16-2021, 03:54 AM
  • momaka
    HannStar Hanns-G HC194d LCD monitor repair
    by momaka
    Normally, I never post repairs this quick after I do them, because… I am usually very slow. But today, I’m making an exception here. Why? No idea. Perhaps only because the repair details are still “fresh” in my head… which is ironic, given this is a 16 year old monitor that hardly anyone will care about today. It is new to me, though. I picked it up last November from someone on my local Craigslist. It wasn’t very close to where I live, but was close to a family friend that I had to go visit anyways. So after watching the posting on Craigslist for a few weeks and seeing it getting...
    03-15-2023, 10:17 PM
  • maralexbar
    How to force Acer Aspire Series to bootup BIOS/UEFI on external Monitor?
    by maralexbar
    I ask this question in general as there are many Acer Aspire models with UEFI Insyde BIOS that do not boot to the BIOS on an external monitor (VGA, HDMI, etc) showing only the Internal LCD (LVDS, eDP etc).
    It's a pain to work on Acer notebooks with a broken screen and not being able to access the BIOS using an external monitor.

    If anyone knows how to force the external monitor as primary for Notebooks of those models
    11-02-2024, 09:18 AM
  • keepread
    Dell monitor PSU vs Dell laptop PSU
    by keepread
    Hi there!
    Someone gave me their old monitor, it's Dell S2715ht.
    The owner was using it when his PSU began to smell and then to smoke. It literally began to melt. He turned the monitor off, pulled the PSU, and ditched it because it was smelly even after it cooled. So I got the monitor but not the plug.
    Now, I tried to bring the monitor back to life, by plugging one of my many Dell laptop PSUs. They are of the same 19.5V, and the wattage of the laptop PSU is higher than that which the monitor is rated for. Visually, the socket on the monitor seems compatible, and the plug plugs...
    10-30-2025, 04:45 PM
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