Jump to content
ELFORUM - Forumul Electronistilor
Sign in to follow this  
vl78stc

tvLG modelcf-21d70x

Recommended Posts

salutare acest tv a avut trafo lini dus am pus hr7906 nou,am schimbat condensatorii din surse primar secundar tv porneste se vede ok,dar dupa citeva minute 10-30minute se opreste singur si intra in stby,daca il pornesc merge ok si tot se opreste dupa citeva minute.Se opreste mai greu la prima pornire, dar dupa aceea se opreste la 5-10 minute.

este echipat cu tda 8362b,lg8634-20b,sursa str5707,24c02.am schimbat toti condensatorii din secundar ma refer la cei de 160v ,refacut lipituri si tot asa face ,am schimbat si in primar 2x220uf/35v si 4,7 uf/50v si refacut lipituri,

as dori un sfat sau poate imi scapa ceva.

multumesc

Share this post


Link to post
Share on other sites

...si fara final linii cuplat la sursa trece in st-by? Adica sursa pe bec!

Share this post


Link to post
Share on other sites

Protectia "abnormala",dar nu spun mai mult  :secret

Edited by Andrei Tabacaru

Share this post


Link to post
Share on other sites

nu inteleg andrei ce vrei sa zici,este un secret banuiesc nu?oricum eu va multumesc de sfaturi si  ramine sa ma descurc singur

numai bine

Share this post


Link to post
Share on other sites

Protectia "abnormala",dar nu spun mai mult  :secret

d-nul Andrei stie ce spune....v-am raspuns mai devreme dincolo!

este schimbat,stiam de el,altceva

multumesc oricum

pai, la set cu dioda D408 de pe circuitul ABNORMAL! este cam inghesuita pe placa, dar trebuie schimbata!

Edited by cornel1962

Share this post


Link to post
Share on other sites

nu stiam,multumesc de informatie,am sa schimb si dioda

Share this post


Link to post
Share on other sites
Guest Stanica Constantin

Am schimbat si dioda am pus ba159, si am pățit la fel,am schimbat din nou c 1uf/160v si am pus 4,7uf si totul e okMultumesc de sfat tuturor

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.