LCD screen repair / fix?

TTDegs · 25th July 2007, 10:59

Anyone out there got a clue about LCD screens?

My Dell 1703 works fine - for a split second at a time, then goes blank

Power light is still green, and if I turn it off and back on, I can see my PC desktop - for a split second until it goes blank again.

Tried it with a few input sources, both VGA and DVI, and also with no input at all (the self test screen comes up for a split second then).

Any ideas please?

Thank you!

Kremmen · 25th July 2007, 11:17

Ah - I had that on my work hp1530.

They came and took it away for repair and a few weeks later arrived with a brand new hp1740 because the old unit was beyond repair.

Not the news you wanted to hear I suspect ?

TTDegs · 25th July 2007, 11:22

Quote:

Originally Posted by Kremmen

Ah - I had that on my work hp1530.

They came and took it away for repair and a few weeks later arrived with a brand new hp1740 because the old unit was beyond repair.

Not the news you wanted to hear I suspect ?

LOL - no, not really

but thanks anyway!

FWH · 25th July 2007, 11:22

Really doesn´t sound like anything you can fix yourself I´m afraid.

Foggy69 · 25th July 2007, 11:33

Have you switched it off, left it switched of for a minute, then back on

If this didn't help, have you tried kicking it or hitting it.

Wise words from foggy's book on how to repair delicate electrical objects.

TTDegs · 25th July 2007, 12:17

[quote=Foggy69;91317]Have you switched it off, left it switched of for a minute, then back on

[quote]
yep

Quote:

If this didn't help, have you tried kicking it or hitting it.

and shook it a bit too

Quote:

Wise words from foggy's book on how to repair delicate electrical objects.

I think we read the same books!

step 97 - if all else fails, post the question up on a completly un-related web forum

LoonyJohn · 25th July 2007, 12:25

There is a small circuit in all LCD computer screens called an 'invertor', sometimes detachable and replaceable. It boosts the voltage to the luminescent sheet behind the display, and can be quite dangerous if touched whilst switched on!
If this bit goes, then you get the same sort of effect that you are describing, a bit like a blown starter on a flourescent tube

LJ

TTDegs · 25th July 2007, 12:36

Cheers LJ

not a recommended DIY fix for a ham fisted numpty (like me) then...

25th July 2007, 10:59	#1 (permalink)
TTDegs Super Moderator Civinfo master Join Date: 4th August 2006 Location: Cardiff Posts: 5,638 Thanks: 0 Thanked 1 Time in 1 Post	LCD screen repair / fix? Anyone out there got a clue about LCD screens? My Dell 1703 works fine - for a split second at a time, then goes blank Power light is still green, and if I turn it off and back on, I can see my PC desktop - for a split second until it goes blank again. Tried it with a few input sources, both VGA and DVI, and also with no input at all (the self test screen comes up for a split second then). Any ideas please? Thank you!

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This thread is about: LCD screen repair / fix?, it's in Any non Civic chat here please! at the Honda Civic forum Civinfo; Anyone out there got a clue about LCD screens? My Dell 1703 works fine - for a split second at a time, then goes blank ...

25th July 2007, 11:17	#2 (permalink)
Kremmen Krem de la Krem Civinfo guru Join Date: 7th January 2007 Location: West London Posts: 2,510 Thanks: 6 Thanked 10 Times in 10 Posts	Ah - I had that on my work hp1530. They came and took it away for repair and a few weeks later arrived with a brand new hp1740 because the old unit was beyond repair. Not the news you wanted to hear I suspect ?

25th July 2007, 11:22	#4 (permalink)
FWH Super Moderator Civinfo master Join Date: 3rd June 2007 Location: Sweden Posts: 5,231 Thanks: 6 Thanked 43 Times in 39 Posts	Really doesn´t sound like anything you can fix yourself I´m afraid.

25th July 2007, 11:33	#5 (permalink)
Foggy69 Vivid Blue Rocks!!! Rocketship door handle Join Date: 5th December 2006 Location: Westerham Posts: 1,051 Thanks: 2 Thanked 8 Times in 7 Posts	Have you switched it off, left it switched of for a minute, then back on If this didn't help, have you tried kicking it or hitting it. Wise words from foggy's book on how to repair delicate electrical objects.

25th July 2007, 12:25	#7 (permalink)
LoonyJohn Honda Tardis Locking Wheelnut Join Date: 18th February 2007 Location: NE Derbyshire Posts: 105 Thanks: 0 Thanked 1 Time in 1 Post	There is a small circuit in all LCD computer screens called an 'invertor', sometimes detachable and replaceable. It boosts the voltage to the luminescent sheet behind the display, and can be quite dangerous if touched whilst switched on! If this bit goes, then you get the same sort of effect that you are describing, a bit like a blown starter on a flourescent tube LJ

25th July 2007, 12:36	#8 (permalink)
TTDegs Super Moderator Civinfo master Join Date: 4th August 2006 Location: Cardiff Posts: 5,638 Thanks: 0 Thanked 1 Time in 1 Post	Cheers LJ not a recommended DIY fix for a ham fisted numpty (like me) then...