Jump to content
ELFORUM - Forumul Electronistilor
Sign in to follow this  
IsBlacks

Polaritate mufa alimentare

Recommended Posts

buna seara am si eu urmatoarea intrebare: trebuie sa inlocuiesc mufa de la alimentatorul laptopului si am mufa cu tot cu fir si nu stiu polaritatea celor 2 fire, m-am uitat atent pe fir si unul are niste minusuri mai lungi(1cm) acela reprezinta minusul(partea exterioara a mufei)?

Share this post


Link to post
Share on other sites

De obicei minusul se afla pe exteriorul mufei. Suna si tu cu un buzzer sau cu ohmmetrul si vezi care fir e pe minusul mufei la noul cablu si leaga-l ca pe cel defect.Polaritatea mufei se afla marcata pe alimentator .

post-21106-139829611938_thumb.jpg

Share this post


Link to post
Share on other sites

multumesc de raspuns, din pacate mufa nu face bine conexiunea la + asa ca imi trebuie alta

Share this post


Link to post
Share on other sites

Daca e mufa rotunda cu pin in mijloc plusul e la pinul ala deci la tine la mufa de pe cablu in orificiul din mijloc sa ai plus.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.