i have a sony kdl-32l5000 that has a nice picture everything works but after about 5-10m the image goes dark i still have sound but image is very dark like when the iverter or lamp goes out on a laptop what could be the issue ?
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
Is this a laptop, desktop pc, or monitor. -
Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
It's a 32" LCD TV. That's might be why he posted in this section.
To the OP, Try looking through the vents on the back of the TV. You may be able to see the brightness of the backlights (this may be easier in a dark room). Do the backlights go out, do they get dim, or do they retain the same brightness?
PlainBillFor a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.
Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
um it said "laptop" in the post and the model # when google turned up a tv. i was confused.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
I took the cover off to check for loose cables to answer the question if the backlights go out yes they do I took some pics but I have to resizeComment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
When lights are on they are very brightComment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
Can. Anyone help MeComment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
I would guess that folks are waiting on the pictures you mentioned in post #5.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
When the screen goes dark are the lights still on, or do they go off? If they go off, do they slowly fade off or do they go off abruptly?
Remember, this is Garbage In, Garbage Out. We can't see what is happening; you have to give us as much information as possible.
PlainBillFor a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.
Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
Since the thread has seemed to have died hopefully I can revive it. I am having the exact same issue, except it takes about 30 minutes to happen. The back light is completely out and the color fluxes just before it shuts off. The shut off literally takes a couple of seconds. I would suspect inverter but one of the heat sinks on the power board gets excessively hot and the longer it is left off the longer it will stay on the next time. Any help would be greatly appreciated.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
Let's start with the pictures, please. Use "Manage Attachments" and post the following (as close to 2000 x 2000 as you can): one of the entire back with the cover off (overall shot), top/bottom of the power board and top/bottom of the logic board.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
I agree on the pictures. One over-all shot so we can see what is connected where, and top and bottom of the power supply with the overheated heat sink tagged.
PlainBillFor a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.
Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
Hi there, since NO-ONE can give you an educated answer, I'll help you out.
You will need to replace BOTH backlight Inverter boards (if your model has 2)
Generally when one goes, the other one won't be far from dying. The backlight shutting down is due to the inverter switching itself off (overcurrent/overvoltage protection). The transformers on the inverter boards break down with time & temp and can give problems such as flickering, NO backlight, or a few seconds then turning off.
Here's one on ebay - it's for the KDL-32L4000 but should fit your model. Ask the seller first tho.
http://cgi.ebay.co.uk/INVERTER-BOARD...item3cb13c6878Comment
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
Woa....just wait a minute! Replace the boards? Replace both boards??? I had hope to never see the "R" word used in reference to the entire board (unless its the Y-Sus on a plasma maybe).
Let's see the pics, then go to the much cheaper and more fun component level first. Only after much thought should we draw the "R" word out of the holster.....
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Re: sony kdl-32l5000 nice picture after 10m goes dark no picture
FYI, to a guy new to this forum, the members above that you just maligned are some of the most educated and experienced folks out there. You might want to get to know your surroundings a bit more.....food for thought.Comment
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Was watching this set, and suddenly it went dark. Picture is still visible, just very dark. Tried checking all settings, adjusting brightness to 100% no change. Reset through menus, no change.
bought used boards from ebay (power and input boards) replaced with same results, changing brightness does seem to have a slight affect.. but not to normal visibility of picture.
I'm handy, fixed TVs before.. I can't see any issues with boards... hoping someone can point me in the right direction to properly diagnose. I don't believe the LEDs are caput, since the picture is on and equal... -
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Hi all
While I have quite a decent background in electrical & electronic troubleshooting & repairs, this is my first time stripping down an LCD TV for repair.... I have inherited a 3yr old Panasonic LCD which has a picture, but it is quite dark (too dark to be watchable - but still quite easy to see; I didnt need a torch to see it).
I started by checking and trying to adjust all of the picture and backlighting levels, but that made little to no difference. I also did a factory reset.
From there I envisaged that the backlighting wasn't working, however... -
This tv is not even 3 years old. its a sony XBR-75X900H, it was like a flashbang went off suddenly, tv faded to black and no picture. backlight is on. tried to do the power cycle, factory reset. i get beeps from remote if i tap up/down but no picture. how can i determine if its the panel or a board? i have replaced boards before im just not sure what the issue is here. sony said nothing they can do and only suggested to find a local repair shop. please guide me here
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