UE40D5000 red led blinking (PSU, Main board and T-con changed)

[labo555]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

help me please

[ReeceyBurger123]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

Ok Psu is good then, have you tried disconnecting the Tcon from the Mb and powering the set up ?

[labo555]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

hello thank you for answering ..
I have tried to connect tcon but the problem remains

[ReeceyBurger123]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

Ok so the Mb is at fault here.

[labo555]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

ok what can I do? I have to replace it, or I can try to repair it

[ReeceyBurger123]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

Bet its the Bga solder, best to replace.

[pgram]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

If it is the BGA solder on the main board's CPU, you could try heating the CPU to melt/reflow the solder as a workaround. It is not a guaranteed fix and there is a good chance the problem will show up again at a later date, but it is low or no cost option and may get you a few more months or more of use from the set without having to replace the whole board.

Video examples:

• Diagnosis (TV won't turn on)
• Reflow using halogen bulb
• Reflow with a hair dryer

[labo555]

Re: UE40D5000 red led blinking (PSU, Main board and T-con changed)

ok thanks for the advice you have been so nice try with a reflow otherwise I will replace the main