Search results

Search Forums New Posts
  1. bertus

    Help identifying component

    Hello, From wich device is the part? Can you show a bit more? It could well be an OEM product, from wich no data can be found on the net. Bertus
  2. bertus

    Older Model Hitachi TV MT-2870

    Hello, Its more the humidity that can cause troubles. When the TV has a CRT tube, there is high voltage that can break at high humidity. Bertus
  3. bertus

    output of power supply reads 24V should be 12V

    Hello, Here is a link to the full datasheet: https://eu.mouser.com/datasheet/2/643/ds_bps_mpb125_multiple_output_series-1314557.pdf Bertus
  4. bertus

    output of power supply reads 24V should be 12V

    Hello, The secondary power can only supply 0.5 Amp: Bertus
  5. bertus

    output of power supply reads 24V should be 12V

    Hello, This article will give you likely more info: https://www.edn.com/power-supply-remote-sense-mistakes-remedies/ Bertus
  6. bertus

    output of power supply reads 24V should be 12V

    Hello, The connection of pin 1 (RTN) and pin 2 (- sense) sould be OK. Pin 3 (+ sense) of J3 should be connected to one of the +12 V too. The sense pins are there to compensate losses on power cables and are connected direct at the load (after the power cables). They can be thinner wires to...
  7. bertus

    output of power supply reads 24V should be 12V

    Hello, Is this the model: If so, are the sense connections made? Bertus
  8. bertus

    TDK S-60 low volume on one side

    Hello, When you reduce the size of the pictures to about 300 kB, the uploads will work. Bertus
  9. bertus

    Soldering Problems

    Hello, the following page will give you some tips on through hole soldering: https://www.mikroe.com/blog/through-hole-soldering Don´t let you be put off by the number of solderspots. I once made a board with 30 chips on it. These are more decent videos on soldering: Bertus
  10. bertus

    Looking for a countdown relay

    Hello, There are many useless boxes around: https://www.google.com/search?as_st=y&tbm=isch&as_q=useless+box&as_epq=&as_oq=&as_eq=&imgsz=&imgar=&imgc=&imgcolor=&imgtype=&cr=&as_sitesearch=&safe=images&as_filetype=&tbs= Here is one with many switches...
  11. bertus

    Soldering temperature indicator

    Hello, Perhaps a thermal imaging camera might be a better solution. That way you can monitor the chip and its surroundings: https://www.pass-thermal.co.uk/hikvision-ds-2tp31-3auf-handheld-thermal-imaging-camera Bertus
  12. bertus

    Need help understanding part of circuit

    Hello, As the block diagram shows , the CF output is open drain as @Harald Kapp said: Open drain requires that a load is connected to the powersupply to have effect. Bertus
  13. bertus

    New To This Forum, Want To Learn More About Electronics

    Hello, Welcome here and enjoy your stay. The internet archive has a lot of books and magazines in opensource: =languageSorter%3A%22English%22&and[]=mediatype%3A%22texts%22']https://archive.org/search.php?query=electronics opensource&and[&and[]=languageSorter:"English"&and[]=mediatype:"texts"...
  14. bertus

    Un-identifiable markings on Ceramic Capacitor

    Hello, As I said, It looks more like a varistor. Have a look at this page to compare: https://www.galco.com/buy/Harris/V150LA5 Bertus
  15. bertus

    Un-identifiable markings on Ceramic Capacitor

    Hello, Are you sure is is a capacitor? Can you post some pictues of front and back? Perhaps it can be a surge varistor. Bertus
  16. bertus

    Replacing surge varistor

    Hello, The attached PDF from littlefuse will give you info on overcurrent and overvoltage protection. Bertus
  17. bertus

    Mobile Phone Detector for GSM, 3G and 4G devices

    Hello, The circuit is not selective and will respond to any strong RF signal. There is no good RF detector in the circuit. Also it is not wise to build a RF circuit on a breadboard. Bertus
  18. bertus

    Need help with FM transmitter "adaptation" in photo

    Hello, Only authorized equipment may be used: https://www.ctu.eu/recommendation-end-users Bertus
  19. bertus

    sensor portal

    Hello, Sensor portal has a lot of information on sensors: https://www.sensorsportal.com/HTML/Sensor.htm Bertus
  20. bertus

    NAD C320BEE Amplifier Input Selection Not Working

    Hello, As @Harald Kapp said, old capacitors will lose a lot of the capacity. This page shows you the effect of different capacitors after de rectifier: I have also attached the complete PDF where this page comes from. Bertus
Top