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  1. bertus

    SPICE link list

    Hello, As linear is taken over by Analog Devices, the LTspice software can be downloaded here: https://www.analog.com/en/design-center/design-tools-and-calculators.html Bertus
  2. bertus

    SPICE link list

    Hello, Here I have a couple of links collected on All About Circuits about LTspice: The library and components models of LTspice free download. Index of /Spice_Model_CD/Vendor List LTspiceIV-library Library Listing Expanded Components Library and Circuits. Download LTspice Simulation...
  3. bertus

    Magnifying light voltages

    Hello, On the PCB I see 30 leds. 15 strings of 2 leds in parallel. There is also a standby led that is separatly wired. Having leds in parallel is a bad practice. I would give each string its own current limiting resistor. Have a look at the attached PDF. Bertus
  4. bertus

    I received a message of crystal diskinfo hdd

    Hello, @Martaine2005 , Perhaps johnmullins gave him the idea for a username. Bertus
  5. bertus

    I received a message of crystal diskinfo hdd

    Hello, Here is an overview of other Smart tools: https://en.wikipedia.org/wiki/Comparison_of_S.M.A.R.T._tools I am using GSmartControl on my linux system. Here is a screenshot of my 2TB disk: Bertus
  6. bertus

    Dead CELCUS LCD32S913HD

    Hello, The red round part is indeed a fuse. It is the littlefuse TR5 382 series: https://uk.farnell.com/c/circuit-protection/fuses-fuse-accessories/fuses/prl/results?brand=littelfuse&product-range=tr5-382-series Eaton Bussmann has also the same fuses in black...
  7. bertus

    Farewell

    Hello, Take your time. You are never to old to learn. We will see you back when you are ready for it. Bertus
  8. bertus

    I received a message of crystal diskinfo hdd

    Hello, I hope you do not get in the situation I had some years ago. The SMART gave me the message "immediately make a backup and replace your harddisk" Bertus
  9. bertus

    High Voltage spike , disrupts Display functionality

    Hello, Do you have a schematic to post? Then we can have a look how to proceed. I see that the mentioned TVS has a clamping voltage of 9.2 Volts. https://www.littelfuse.com/products/tvs-diodes/surface-mount/smbj/smbj5_0a.aspx You might want to read this...
  10. bertus

    Pioneer AV receiver VSX-522.

    Hello, You can download documentation over here: http://www.jabse.com/L1Bpb25lZXIvQXVkaW8vVlNYLTUyMi9oZmVfcGlvbmVlcl92c3gtNTIyLWtfc2VydmljZV9lbi5wZGY= Bertus
  11. bertus

    Noisy CPU fan - reduce its RPM

    Hello, Wich brand and type of laptop do you have? There might be settings in the bios. Bertus
  12. bertus

    Noisy CPU fan - reduce its RPM

    Hello, I would first check for dust. Dust can make the fan go faster to ensure the cooling. Bertus
  13. bertus

    powering 2 LEDS or Neons from a 240v feed?

    Hello, When using leds, scratch the leds with some sandpaper to have a wider scattering of the light. Leds can have very narrow beams. Bertus
  14. bertus

    I received a message of crystal diskinfo hdd

    Hello, It depends on how the harddisk firmware treats the bad sectors. In the block from the wiki I posted, you can read about it. Here is a copy of that text again: Count of "unstable" sectors (waiting to be remapped, because of unrecoverable read errors). If an unstable sector is...
  15. bertus

    Comedy Thread

  16. bertus

    Comedy Thread

    This is a story about four people named Everybody, Somebody, Anybody and Nobody. There was an important job to be done and Everybody was sure that Somebody would do it. Anybody could have done it, but Nobody did it. Somebody got angry about that, because it was Everybody’s job. Everybody thought...
  17. bertus

    Comedy Thread

    How about personal protection. More on this page: http://www.ibiblio.org/kuphaldt/socratic/sinst/doc/fail.html Bertus
  18. bertus

    I received a message of crystal diskinfo hdd

    Hello, The mentioned software looks like a shell for S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology), the disk health status tool. https://crystalmark.info/en/software/crystaldiskinfo/ https://en.wikipedia.org/wiki/S.M.A.R.T. It looks like there is a problem with the disk...
  19. bertus

    Ferroresonance battery charger

    Hello, Read this page: https://oltronix.nl/en/ferroresonant-principle And the attached PDF. Bertus
  20. bertus

    Comedy Thread

    Great Moments in Star Trek History - Hello, Computer
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