Suddenly it takes as much as up to 30 minutes to warm up when I turn it on and I cannot get a picture on the screen. I have a hook-up to DirectTV, and have talked to a technician who says the TV is a

T'Con board fault. Check and replace it. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD screen are similar, irrespective of its brand and screen size.

Periods.......Nice little items because they denote the End of a sentence.
See how this works?

"I have a vgn cs36gj, I was working with it, suddenly the LCD became pale black, I connected it to external monitor and it has a picture, sometimes after turning on for 30 minutes LCD start working normally, but after turning off and disconnecting power when I turn it on, it only shows a pale black picture, you know it is on but only black!"

Now you try it.........

"I have a vgn cs36gj. I was working with it, suddenly the LCD became pale black.
I connected it to external monitor and it has a picture."

Okay, I got that part.........

"sometimes after turning on for 30 minutes LCD start working normally, but after turning off and disconnecting power when I turn it on, it only shows a pale black picture, you know it is on but only black!"

WHICH LCD?
Laptop LCD?
External monitor LCD?
Man on the moon LCD?

1) If the external monitor LCD goes 'pale black', the problem is the graphics chipset.
This I do not believe

2) If the laptop LCD goes pale black, this I believe.

Post back in a Comment.

Regards,
joecoolvette

pull the card out of the front of the directtv box ...wait 1 minute and put back in...turn box on...hope this helps

Ur main video backlight board is dead,must be replaced.

Sounds like a power supply fault due to leaky capacitors(electrolitics).
From cold take the back off and run a hair dryer over the power supply for a few minutes then switch on,if it comes up fully working then you have to isolate the faulty part/parts and replace.

put a towel across the top of the tv so it can heat up faster and you will get your picture. be carefull!!

Hi there, I will need the Full model number of your TV, then i can see whay i can do.

OFF YOUR TV WITH POWER BOTTON, THEN PRESS IN REMORE CONTROL DISPLAY BOTTON # 5 BOTTONVOL + BOTTON AND POWER BOTTON.( DISPLAY--5--VOL+--POWER)

I am not familar with that particular set, but this is what I would check (assuming you don't have a surround sound system hooked up to it as it would sound like a tuner problem otherwise). If you have external Audio/Video jacks with cables hooked up to the Direct TV box, move the video cable and see if you lose video when it is jiggled. If so, you either have a bad cable or connection/connector. When you say you have to turn the TV off for about 30 minutes, do you leave the directTV box on? If so, then the problem seems to be with the TV. Otherwise, maybe the direct TV box is at fault -- leave the TV on and turn off the cable box for a half hour and try it again. You have a few possibilities here, good luck.

This can happen if your component cables are not pushed in all the way. Sometimes they become loose, so just make sure they are pushed in all the way.