Identify Flawed Motherboards

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • Ritalin
    Senior Member
    • Sep 2010
    • 194
    #1

    Identify Flawed Motherboards

    So I notice this forum has a whole section for recap'ing motherboards, and I was wondering how do you know a motherboard has bad caps?(Besides looking at the caps that is) Completely dead? Doesn't boot to bios?

    Since I have been repairing monitors (Up to 10 now) I think it's time to start expanding and learning more stuff to repair.

    Thanks in advance!
    Tags: None
    • mockingbird
      Badcaps Legend
      • Dec 2008
      • 5484
      • -
      #2
      Re: Identify Flawed Motherboards

      1) If the capacitors are off-brand
      2) If the capacitors are HN/HM with a datecode before '05 or '06 (not sure)
      3) If the capacitors are KZG or KZJ
      4) If the capacitors are bulged, even if they're known good series

        Comment

        Previous template Next

        Related Topics

        Collapse
        • thesame
          DVR HIKVISION DS-7208HWI-E1/A BOARD DS-80104 REV 2.2 help identify burnt components
          by thesame
          Hy guys , i have a DVR board DS-80104 REV 2.2 that was powered wrong, i have some smds on the board that are blown and i can't identify them , maybe if someone has this board somehow and we can identify the smds', i have searched online and i can't find a schematic.
          The smds are SOT-23-6 , one of them i think it has the marking ADJF since i found another one on the board with this marking , but the other one it seems that it starts with AG or it looks like. I would really apreciate if someone could help me identify those IC's .

          ​...
          02-27-2024, 04:31 AM
        • chth96
          How can I identify varistor which have been blew up?
          by chth96
          I mistakely pluged 100v japanese retro game console to 220v outlet.
          So It seems that glass fuse and varistor have been blew up.
          I can identify that voltage and ampere value of glass fuse(250V LF 1.6A),but It is impossible to identify varistor type in my sega saturn PSU(YAMAHA 35M07U XR258)
          Is there any way to identify varistor type in my sega saturn PSU?
          Any reply would be appreciated.


          EDIT:
          It seems that I finally found out what type this black varistor is. It is Panasonic ERZV05D221 “ZNR” Transient/Surge Absorbers (Type D) Varistor Voltage...
          2 Photos
          11-26-2023, 08:52 AM
        • freakorio
          Need Help To Identify Component on Ymain LJ41-05120A
          by freakorio
          Hi guys , i hope this is the right place , i got Plasma Samsung PS-50Q91H and i need to repair Ymain LJ41-05120A , but those component are burn and i can not identify to replace those part , and the part are blue capacitor and the location are C5105 and C5106 and here i attach the part that need to identify , and one more thing , i also need to replace Zener Diode on location ZD5502 and the part are BZV55C because mine is short but i don't know the voltage because those parts are release with many type of voltage. Looking forward for your kindly reply
          1 Photo
          05-21-2024, 02:32 AM
        • baiceanu_stefan
          nm-f251 Schematic, boardview or help identify componente
          by baiceanu_stefan
          Hello, I have a legion pro 5 16arx8 serial number pf4bf4aw mb code nm-f251 rev1.0 which was dissasembled by the client for cleaning. Now it does start but for 20 secs after that fans run at maximum and then shut down. Found PU8302 burned but cannot identify it the part. It is written eHFAA on it but didn't found any info, no boardview, nothing. Can anyone help identify the part so I can order it from somwhere? Ataching some pictures of the motherboard, serial number and part. Than\k you...
          04-24-2024, 12:49 AM
        • cmn.fix
          FFN 551 IC need help to identify
          by cmn.fix
          Hi! I hope I am posting this in the right section. I need help to identify this component that is on an MSI Stealth GS77 with motherboard 17P11-07S around the graphics chip. Can't seem to find schematics or anything online about it. It looks like some sort of switch to me, I have attached pictures. Any help is greatly appreciated. Thank you! ...
          Today, 08:09 AM
        • Loading...
        • No more items.
        Working...