Re: T240 Monitor Backlighting Issue

yup. took it off again. i managed to crack the upper right corner of the TN-Panels glass . Cracked: broad 3mm x 15mm length.

Guess i should be glad thats its only a quarter circle of 3cm in the upper right corner.

Now im gonna test the soldering point some time.
The Dead spot doesnt really matter for a secondary Desk-Screen or TV. Luckily the screen hast 1200 height pixels, not only 1080 height (= 1920x1200) so i can still watch full hd, when pulling it down a bit ;-).

And i have a usable...

Re: T240 Monitor Backlighting Issue

okay... found it...
used a butter knife to push out the metal knobs holding diffusor panel screen etc together,
and then when getting out the HV cables out of the holder, one already came off.

Soo. Should i try to reattach the cable by soldering it again, or do i need to replace the tube ? -does the cable come off because of the defective tube, or is the tube defective couse the cable came off??

...=> Done already!
Ok, done and found it!

When i was looking for how to get to the lights,...

Re: T240 Monitor Backlighting Issue

Okay, so i think im trying to make a visual check of the lamps.

Thank you for the reply. I've read both links.

Perhaps im lucky enough to have a bad lamp one currently blowing up,
and i can see it directly.

If anybody still needs pictures from PCB or part numbers, i can provide them since the monitor is still disassembled.

#1: get out lights
#2: check lamps
#3: get replacement... (in germany)

..Dont like the high voltage coming from the inverter.....

Re: T240 Monitor Backlighting Issue

Hello everyone!
I found this Thread over Youtube and Google, and im also having problems with my samsung t240HD.



I shut it down and took it apart BEFORE it totally quit to function,
so i can tell, that the signal-board etc seems to be working just fine.

The Problem i had, was a slight flickering in the upper part of the screen.
When running for some time (1h), perhaps due to getting warm, the screen/picture flickered combined with a high frequency humming noise,
leading...