about resistance help 2 inductors that have different values

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • sony855
    New Member
    • Feb 2021
    • 1
    • bulgaria
    #1

    about resistance help 2 inductors that have different values

    Hello !
    I would like to ask you . How I can learn the exact resistance value of each component. Im talking about laptop motherboard. I have 2 inductors that have different values one is 0.200k om other one is 0.100 kom . Thanks . How to know which value is good and which one is not goof. Thanks
    Tags: None
    Previous template Next

    Related Topics

    Collapse
    • cind12
      GTX 1080 TI Gigabyte Aorus low resistance on vmem
      by cind12
      Hi guys, i was wondering, i've got 9Ohms on Vmem, one of the mosfet was shortet to ground, so i've desoldered hi and low mosfets nad still low res, then i removed all of the memory chips, and the resistance is still low, so did you had maybe a card with that low res on memories, and the card was working fine ?
      Removed the U1866Q and still without result, i dont have thermal cam so can't see where is hot spot when incjeting voltage.
      The resistance on core is ok 0.1Ohm ((Power 0.8V when on)
      Resistance on 12V 4K ohms (Power present when on)
      Resistance on 12V PEX 4K ohms...
      12-08-2023, 09:09 AM
    • proxneo
      Recapping Sony ICF-SW55 - verifying cap values
      by proxneo
      Dear reader

      I am performing a repair on a Sony ICF-SW55, which includes recapping (some) of the SMD capacitors on the mainboard. I am looking for verification of their values. At the moment, I'm 95% sure I've got the right values, but it is hard to find some official, credible or multiple independant sources on this.

      At the moment, I have selected replacements based on the following list of values:

      3 x 470uF 10VDC
      3 x 4.7uF 35VDC
      4 x 47uF 50VDC
      8 x 22uF 6.3 VDC
      1 x 220uF 6.3VDC
      5 x 100uF 6.3VDC

      Which...
      06-21-2023, 12:38 AM
    • komadreja
      HP ProDesk 400 G4 SFF 911985-001 REV.0A blown inductors (unknow values)
      by komadreja
      Hi, a shorted mosfet((spare is on the way) and 5 smd inductors after the cpu 12v. connector totally burned.

      I have another same mobo and try to get the inductors values, but my poor LC100-A inductance meter is unable to show me nothing.
      I think the values are in nanohenries because the LC100-A can only show mH and microH.

      In the picture i replace the coils but i think is not a good idea(since i donΒ΄t know the correct values).

      The power supply are ok(tested output voltages).

      Unable to me to get that mobo schematics.

      Hope someone...
      02-04-2021, 12:21 PM
    • Geeker007
      9th Gen Dell Optiplex Micro PC motherboard repair: Short Circuit?
      by Geeker007
      Hi All, I have a 9th Gen Dell Optiplex micro PC motherboard which doesn't power on. When I connect the motherboard with power adapter, it goes into safe mode and turns off. So from info I have gathered online, it looks like there is a short circuit on the motherboard. So can you guys help me with figuring out the issue?

      I am new to electronics repair, so my queries could be naive but I am ready to learn.

      So I have a multimeter and a solder with me. But I can try to get a variable voltage power supply with a thermal camera as well. From what I seen online, best way is...
      01-28-2025, 03:31 PM
    • jagiro84
      Alienware missing 3v 5v
      by jagiro84
      Hi there, after cleaning my Alienware it lost "almost" all signs of life.

      Before I did anything on it while it was still working I took some notes and voltages of the main inductors and resistance measurements.

      I noticed it's missing the main 3v and 5v,

      Here is the current situation in easy to follow order.

      - power button has 3v
      - Bios chip has no voltage on its pins
      - present voltages 20v , 12v, 3.9v , 3 and 5 volts in certain areas only
      - first 2 MOSFETs near the 3v and 5v inductor have voltage BUT not on the gates...
      4 Photos
      06-29-2024, 11:28 AM
    • Loading...
    • No more items.
    Working...