Samsung UN60EH6050FXZA no picture or sound Only a blue screen

[GAStuntman]

I have a samsung model #UN60EH6050FXZA which is coming on but has no picture showing or sound. Only a blue screen. I have replaced the main board. The power supply voltage checked out & the back lights are working. Any suggestions would be greatly appreciated..

[budm]

Re: Bad luck

Did you check T-CON voltage?
Pictures of the whole backside of the TV showing how the boards are connected together so we can see what we are dealing with?

[GAStuntman]

Re: Bad luck

Here is the picture. I will test the t-con board in a few minutes. Sorry about the picture being sideways. This is my first time uploading a picture.

[budm]

Re: Bad luck

It has integrated T-CON into the LCD panel assembly.
Do you know the history of the TV?
This TV has T-CON/TAB bonding boards on the bottom edge of the screen whuch usually get damaged by the clean fluid when people spray the cleaning liquid on the screen and the excess liquid drips on to the T-CON/tab bonding board and causes the damages.

[GAStuntman]

Re: Bad luck

Lightening strike & it hasn’t shown anything since.

[Moreno83]

Re: Bad luck

Do you get a blue screen with every input? You already replaced the mainboard so there is not much left besides input or panel

[GAStuntman]

Re: Bad luck

I haven’t done anything to the tv since putting the mainboard in & checking the power supply board. Once it powers on nothing works. The remote will turn it on but the volume nor channel buttons doesn’t show on the screen. Nothing shows when I press the buttons on the tv either.

[GAStuntman]

Re: Bad luck

I disconnected and reconnected everything. Now I’m getting sound but still have a blue screen. I still have to test the t-con board but I’m not sure what I should be looking for during the testing phase?

[budm]

Re: Bad luck

Look to see if you do have 12VDC on both ends of the SMD fuse on the integrated T-CON board with ref to chassis GND.

[GAStuntman]

Re: Bad luck

Yes, I got 12.6 on both ends of the fuse.

[GAStuntman]

Re: Bad luck

IC1901 on the t-con board is getting very hot. Is this normal?

[budm]

Re: Bad luck

Pictures of the IC1901.
Too hot to hold your finger on it for more than 5 seconds?

[GAStuntman]

Re: Bad luck

Yes that's correct

[mmartell]

Re: Bad luck

Try to capture the markings on the chip.

[GAStuntman]

Re: Bad luck

It’s in the last picture posted above. It says Samsung on the chip & the IC is 1901 (same chip)

[mmartell]

Re: Bad luck

By "markings" I mean the writing on the chip other than the word Samsung.

[GAStuntman]

Re: Bad luck

Oh ok. Sorry about that. I didn’t see any marking on the chip. I have replaced the chip & the tv is still doing the same thing (blue screen).

[GAStuntman]

Re: Bad luck

There is waiting on the chip. SENK81, 1209-BB, KGT1F. The new chip is doing the same thing. Could this be a panel issue since the t-con & main board has been replaced?

[GAStuntman]

Re: Samsung UN60EH6050FXZA no picture or sound Only a blue screen

Replacing the t-con & mainboard did not fix the issue. The voltage on the replacement t-con board wasn’t right either. I’m sending the replacement board back & hopefully the next t-con board will be a working board.

[budwich]

Re: Samsung UN60EH6050FXZA no picture or sound Only a blue screen

something fishy here... seems some are "talking" about two different things. One says the tcon/ tab is integrated into the panel (which I believe is correct based on the posted picture) BUT the poster then says he replaced the tcon with no better results. This can't be THE tcon as there is no way to do the tabs. Hence, someone isn't on the same page.... and thus checking for 12v at the tcon potentially isn't being done correctly.