ENVISION EN9410e 19" Monitor Bad Caps

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  • black6host
    Replacement caps for Samson Resolv studio monitor 65A Amp board.
    by black6host
    Good day!

    I have a Samson Resolv studio monitor that has no sound output. I've opened it up and found two caps that are bulging on what I believe to be the power supply section of the amplifier board. The board is marked Resolv 65A AMP V1.2. The caps in question are YUSCON, 2200uF, 35V, 85C temp and have markings of RA(P) and are 16mm x 25.5mm tall. I've attached the schematic and the caps in question are C5 and C6. I'm assuming they are low esr caps. I've tested both caps and they test low uF, nowhere near 2200uF.

    I'm going to replace the caps and I'll be the first...
    02-06-2024, 08:22 PM
  • 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
  • momaka
    Seasonic B12 BC-550 – barely 2 years old and with BAD CAPS already!
    by momaka
    I know I've been a little scarce lately (like the last 2-3 years), but I'm still here and still doing my thing with fixing PSUs.

    For today's considerations, I have a Seasonic B12 BC-550 [A551bcafh] 550 Watt ATX power supply for you (click on links for full size images).

    https://www.badcaps.net/filedata/fetch?id=3591771


    https://www.badcaps.net/filedata/fetch?id=3591772

    It's a modern ATX unit with fixed (non-modular) cables and an 80-plus bronze certificate. Here's the label:

    https://www.badcaps.net/filedata/fetch?id=359177...
    03-12-2025, 03:42 PM
  • momaka
    Westinghouse L2210NW LCD monitor - bad caps repair
    by momaka
    Here's another LCD monitor repair: Westinghouse L2210NW.
    Quick specs: 22” CCFL backlit LCD, 1680x1050 max resolution (16:10 aspect ratio)

    I got it with a bunch of desktops PCs from a repair shop that was trying to free up space a few years ago. It seemed like a cheap monitor, so I didn't really care that much at first when I picked it up (and indeed it is, picture-wise.) But hey, free is free, so I can't complain. Moreover, it looked clean and the screen didn't have any significant scratches or blemishes.

    Pictures of the monitor outside/case after a brief...
    01-11-2021, 01:14 AM
  • eryjus
    Heathkit IO-4205 Power Supply Caps
    by eryjus
    Hello,

    First, I am a complete noob with high voltage stuff. I'm learning, but I need help by someone looking over my shoulder.

    I recently came into posession of a Heathkit IO-4205 5MHz Dual Trace Oscilloscope. The documentation is copyright 1978. I'm told it works.

    I opened it up to check the caps before I applied power, and found the following black caps and wanted to know what they were. They are on the power supply board. I was able to read the name and model and came up with, "Nytronics 162J-1, 0.1uF, 20% tolerance, 2000VDC."
    ...
    05-10-2023, 11:21 AM
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