Author Topic: lg 50LB659  (Read 390 times)

0 Members and 1 Guest are viewing this topic.

shopyd

  • Newbie
  • *
  • Posts: 7
    • Email
lg 50LB659
« on: December 21, 2017,09:16:10 »
hello experts
i have this problem on my lg
when i start the tv the screen is black but the back light is on .if i disconnect one side of the reebons that is connected from the lcd to the main board  i get a picture on the half of the screen .but when i connect this side back there is no picture at all.so i assume the other half of the screen cause a short to the tcon board and prevent it ro display .the tcon is integrated in the main board not separate.
is it possible that the half of a screen will be defected.anyone has experience this ??
any suggestions??

thanks

Mulja tv repair portal

lg 50LB659
« on: December 21, 2017,09:16:10 »

downunder

  • Hero Member
  • *****
  • Posts: 923
Re: lg 50LB659
« Reply #1 on: December 21, 2017,15:42:29 »

Hi shopyd,

Yes, your display panel is knackered. Quite common, especially when overzealous cleaners let liquid run into the bottom of the panel where it corrodes
everything.                  Bruce

shopyd

  • Newbie
  • *
  • Posts: 7
    • Email
Re: lg 50LB659
« Reply #2 on: October 08, 2018,10:24:18 »
hello sir

are you a tv repair tec.? did you experience this problem? i did not use any liquid on the screen. it came suddenly one day.

are you 100% sure it is not the main board that includes the tcon board

thanks

Mulja tv repair portal

Re: lg 50LB659
« Reply #2 on: October 08, 2018,10:24:18 »

downunder

  • Hero Member
  • *****
  • Posts: 923
Re: lg 50LB659
« Reply #3 on: October 08, 2018,17:02:53 »

Experienced? I've been repairing TVs for over 50 years. And yes, I've come across this problem, but you said you disconnected ribbons from the lcd to the main board. Do you mean T-con to main? If so, try same with ribbons T-con to lcd panel. If you get the same situation, then one half of the panel is faulty and dragging the data down.                               Bruce

Sorry, I misread that - no T-con on the TV, built into the main - so only one pair of ribbons. I still say it's the display panel.
« Last Edit: October 08, 2018,20:45:59 by downunder »

 

Powered by EzPortal
download