Tevion/Medion MD 20081 DE-S, won't turn on, blue triangle led blinks permanently

[zeko]

Hi,
Tevion/Medion MD 20081 DE-S (26 inch), won't turn on, blue triangle led blinks permanently.
MSN: 30009489
EAN: 23199125
PLU: 2416


After switching on, Blue LED lights and after few seconds only the blue LED blinks,
...no picture and no sound.
All electrolytic capacitors in the power supply are OK!

please help...

[zeko]

Hi,
power supply board: 17PW26-4

Mainboard: 17MB35-4

[t1412]

hi have you taken the capacitors out and tested them heres the ones i found to be faulty or check them

regards
shaun

[zeko]

is faulty diode D893 UF5402 in secondarily.
I can take a UF5408 or IN5402?

[zeko]

Thanks @t1412.

installed new UF5404 diode and the TV works!!!!

[t1412]