Jump to content
ELFORUM - Forumul electronistilor
niki4

Tvc Serreno Ser21n-a8

Recommended Posts

Am chinazaria din titlu-scoate tensiuni mici, U in loc de 110v am 40v,in loc de 26v am 9v,in loc de 11-13v am 2-3v,am verif condensatorii, am inlocuit diodele 1n4148 ,am inloc tz din partea primara,am inlocuit optocuplorul,am verif semireglabilul,am verif rezistorii.Deci nu am U de 11v din care face 5v ptr memorie si procesor.Poate mai are cineva vreo idee.

Link to post
Share on other sites

Verifică tranzistorul din driverul linii , cel final linii , prezența tensiunii B+ la traful de linii , condensatoarele de pe B+ , prezența tensiunii la primarul trafului driver linii , și impulsurile de comandă in baza tranzistorului driver linii .

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.


×
×
  • 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.Terms of Use si Guidelines