Jump to content
ELFORUM - Forumul electronistilor

tv vortex V21UA3 defect alimentare


 Share

Recommended Posts

  • Replies 22
  • Created
  • Last Reply

Top Posters In This Topic

TV (NO NAME) China

șasiu P1470A06

Componente:

UOC - TDA11136PS/N3/3 (NT11136PC301BG)

Memorie - FT24C08A

SMPS - 2SC5386

Vertical - LA78040

Sunet - TDA2003

Tuner - ET-5EE-K04

TV/AV - HCF4052BE

Tube - A51EMW032X0A1

FBT - BSC27-F1429T

HOT - 2SC5296

RGB Amp. - 2SC2482

Manifestare:

La pornire incepe sa scadă treptat +B de la 110V la 56V

si 24V la 8V ,iar tensiunea de 12 V la 4,5 V

Cauza : tranzistor defect V515 (2SB764)

Link to comment
Share on other sites

  • 5 weeks later...

Va rog o schema pentru acest sasiu daca se poate si cum se poate intra in service meniu (cred ca este o tasta ascunsa), am un televizor care nu mai prinde posturi pe banda b1 , am presupus ca selectorul et-5ee-k04 este defect , se poate inlocui acest selector cu uv1316/a ?

Link to comment
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.

 Share




×
×
  • 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