Samsung Synchmaster 2693HM WHITE SCREEN

[OncleOh]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

@mockingbird

Why Yikes!

I used 105degre ones , have to check.

So what do you suggest about t-con board?


Regards!
Leo

[mockingbird]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

Yikes!

Did you use Jamicon as replacements?

[OncleOh]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

T-con board right side. Previous picture was left side.


Regards!
Leo

[OncleOh]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

T-con board.


Regards!
Leo

[OncleOh]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

Here are the photos of the PSU.
Note that all the caps on the PSU except the big one are changed.


Regards!
Leo

[momaka]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

forgot to mention that after white screen it goest to black (white faids to black)

I had a monitor with those same problems before. Like yours, the fuse on the t-con was good. Problem turned out to be a shorted tiny ceramic cap the secondary boosted rail on the t-con board. Fairly easy fix.

Your monitor's t-con is probably very different from mine, but if you just want to get an idea of the problem, you can find my thread here:
https://www.badcaps.net/forum/showthread.php?t=12210

Would the pictures of the boards help?

Yes, very much!

You should be able to spot a round inductor on your t-con. The area of interest on the t-con is usually around that inductor. I suggest you take several pictures: one of the whole t-con board, and several close-ups of the area around the round inductor.

Also, as a very primitive test, power on the monitor and see if anything gets hot on the t-con board, especially any ICs and diodes in the area of the round inductor. You may have to cycle the power to the monitor on and off a few times for this. Be careful, as components can get hot very quickly if there is a fault. Let me know if you find any that do.

[OncleOh]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

Hi,
forgot to mention that after white screen it goest to black (white faids to black)
Would the pictures of the boards help?

Regards!
Leo

[OncleOh]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

@PlainBill

Already checked all the cables all seem ok, have to check voltages.
Any other idea?


Regards!
Leo

[PlainBill]

Re: Samsung Synchmaster 2693HM WHITE SCREEN

Hi,
i have a samsung 2693HM with white scren when it powers off, already replaced all caps on the power board and still the same result, cheched the fuses on T-CON board and all ok.

Is it possibel taht the inverter board is bad, i changed the caps on the inverter board too?


Regards!
Leo

No. If the inverter wasn't working you would have a black screen.

Triple check the seating of the cable from the signal board to the tcon, and the flex strips from the tcon to the panel. If there is a separate power cable to the tcon check that too.

PlainBill

PlainBill

[OncleOh]

Hi,
i have a samsung 2693HM with white scren when it powers off, already replaced all caps on the power board and still the same result, cheched the fuses on T-CON board and all ok.

Is it possibel taht the inverter board is bad, i changed the caps on the inverter board too?


Regards!
Leo