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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Plasma screen repair question...
I've got a JVC 15 inch plasma screen tv on my bench for service that went through the flood in New Orleans.(Katrina) It was under water for some time and of course the screen assembly has suffered severe water intrusion.( bubbling in between the laminated screen as well as some water streaking in backlight unit.) I'm trying to fix this for a friend that purchased it just weeks before the flood.( and at a cost of just over a grand!) I've pulled the unit completely apart and the electronics seem salvagable, only a bit of crusting that washed off with board washer easily. My question to any experienced in servicing plasma's is are the screen and backlight units cost effective to replace? The one's in this JVC are made by Phillips. I can post the specific part #'s off the parts if it's worthwile. TIA for any info. |
#2
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Plasma screen repair question...
none wrote:
I've got a JVC 15 inch plasma screen tv on my bench for service that went through the flood in New Orleans.(Katrina) It was under water for some time and of course the screen assembly has suffered severe water intrusion.( bubbling in between the laminated screen as well as some water streaking in backlight unit.) I'm trying to fix this for a friend that purchased it just weeks before the flood.( and at a cost of just over a grand!) I've pulled the unit completely apart and the electronics seem salvagable, only a bit of crusting that washed off with board washer easily. My question to any experienced in servicing plasma's is are the screen and backlight units cost effective to replace? The one's in this JVC are made by Phillips. I can post the specific part #'s off the parts if it's worthwile. TIA for any info. The plasma screens are rarely available as in individual part even on the small units. When they are available the plasma screen generally costs as much as a new replacement unit. Electronics under salt and waste laden water salvageable? More than likely the electronics is actually toast. You cannot see the damage to the via , the penetration into the surface mount components of the water, etc. |
#3
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Plasma screen repair question...
"none" wrote in message ... I've got a JVC 15 inch plasma screen tv on my bench for service that went through the flood in New Orleans.(Katrina) It was under water for some time and of course the screen assembly has suffered severe water intrusion.( bubbling in between the laminated screen as well as some water streaking in backlight unit.) I'm trying to fix this for a friend that purchased it just weeks before the flood.( and at a cost of just over a grand!) I've pulled the unit completely apart and the electronics seem salvagable, only a bit of crusting that washed off with board washer easily. My question to any experienced in servicing plasma's is are the screen and backlight units cost effective to replace? The one's in this JVC are made by Phillips. I can post the specific part #'s off the parts if it's worthwile. TIA for any info. Plasma screen? Or do you mean LCD? They're two entirely different things, if there's water inside a plasma panel it's lost it's vacuum and the unit is junk. If it's LCD, they have several layers of plastic diffusers and filters stacked together around the panel, sometimes you can dissasemble those to clean and dry them out then put it back together but that's about all you can do, the display panel is the bulk of the cost of the unit and hence not available as a spare part. If you can't fix it the unit is scrap. |
#5
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Plasma screen repair question...
On 14 Oct 2005 19:21:15 -0700, "
wrote: none wrote: I've got a JVC 15 inch plasma screen tv on my bench for service that went through the flood in New Orleans.(Katrina) It was under water for some time and of course the screen assembly has suffered severe water intrusion.( bubbling in between the laminated screen as well as some water streaking in backlight unit.) I'm trying to fix this for a friend that purchased it just weeks before the flood.( and at a cost of just over a grand!) I've pulled the unit completely apart and the electronics seem salvagable, only a bit of crusting that washed off with board washer easily. My question to any experienced in servicing plasma's is are the screen and backlight units cost effective to replace? The one's in this JVC are made by Phillips. I can post the specific part #'s off the parts if it's worthwile. TIA for any info. The plasma screens are rarely available as in individual part even on the small units. When they are available the plasma screen generally costs as much as a new replacement unit. Electronics under salt and waste laden water salvageable? More than likely the electronics is actually toast. You cannot see the damage to the via , the penetration into the surface mount components of the water, etc. You stick the wet circuit boards in a dehumidifier cabinet. It'll suck out all the moisture from the components, at least that's how we did reclamation in the Navy.( Salvaged alot of avionic components from downed aircraft and such that way.) Thanks for the reply. I kinda figured it was a long shot on the plasma module. |
#6
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Plasma screen repair question...
On Sat, 15 Oct 2005 04:15:25 GMT, "James Sweet"
wrote: "none" wrote in message .. . I've got a JVC 15 inch plasma screen tv on my bench for service that went through the flood in New Orleans.(Katrina) It was under water for some time and of course the screen assembly has suffered severe water intrusion.( bubbling in between the laminated screen as well as some water streaking in backlight unit.) I'm trying to fix this for a friend that purchased it just weeks before the flood.( and at a cost of just over a grand!) I've pulled the unit completely apart and the electronics seem salvagable, only a bit of crusting that washed off with board washer easily. My question to any experienced in servicing plasma's is are the screen and backlight units cost effective to replace? The one's in this JVC are made by Phillips. I can post the specific part #'s off the parts if it's worthwile. TIA for any info. Plasma screen? Or do you mean LCD? They're two entirely different things, if there's water inside a plasma panel it's lost it's vacuum and the unit is junk. If it's LCD, they have several layers of plastic diffusers and filters stacked together around the panel, sometimes you can dissasemble those to clean and dry them out then put it back together but that's about all you can do, the display panel is the bulk of the cost of the unit and hence not available as a spare part. If you can't fix it the unit is scrap. Yep. it's a plasma. It spent about two week under water contaminated with all sorts of industrial chemicals, so that explains why the seals went.(Everything in the locale of the flood had a coating of tar like gunk and stunk to high hell of petroleum.) |
#7
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Plasma screen repair question...
On Sun, 16 Oct 2005 14:37:25 GMT, "Shoreline Electronics"
wrote: I don't think there is a 15" plasma made....only LCD Entire display panel is probably in need of replacement......usually costs as much as the unit itself! It's a plasma for sure. I didn't think they bothered to make 'em that small either. The owner will just have to write it off on their insurance and get another, a shame it being so new. ========================== Jeff Stielau Shoreline Electronics Repair 344 East Main Street Clinton,CT 06413 860-399-1861 860-664-3535 (fax) ======================== "none" wrote in message .. . I've got a JVC 15 inch plasma screen tv on my bench for service that went through the flood in New Orleans.(Katrina) It was under water for some time and of course the screen assembly has suffered severe water intrusion.( bubbling in between the laminated screen as well as some water streaking in backlight unit.) I'm trying to fix this for a friend that purchased it just weeks before the flood.( and at a cost of just over a grand!) I've pulled the unit completely apart and the electronics seem salvagable, only a bit of crusting that washed off with board washer easily. My question to any experienced in servicing plasma's is are the screen and backlight units cost effective to replace? The one's in this JVC are made by Phillips. I can post the specific part #'s off the parts if it's worthwile. TIA for any info. |
#8
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Plasma screen repair question...
"none" wrote in message ... On Sun, 16 Oct 2005 14:37:25 GMT, "Shoreline Electronics" wrote: I don't think there is a 15" plasma made....only LCD Entire display panel is probably in need of replacement......usually costs as much as the unit itself! It's a plasma for sure. I didn't think they bothered to make 'em that small either. The owner will just have to write it off on their insurance and get another, a shame it being so new. What's the model number? I looked around and can't find reference to a plasma set that small, I'd be curious to see one. |
#9
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Plasma screen repair question...
"none" wrote in message ... On Sun, 16 Oct 2005 14:37:25 GMT, "Shoreline Electronics" wrote: I don't think there is a 15" plasma made....only LCD Entire display panel is probably in need of replacement......usually costs as much as the unit itself! It's a plasma for sure. You said in your OP it has backlights. Plasmas don't have backlights, if it has backlights it surely has to be an LCD. Come to think of it, I don't think Plasmas have laminated screen layers either. What gives you the impression it's a plasma? Dave |
#10
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Plasma screen repair question...
On Tue, 18 Oct 2005 15:19:06 +0100, "Dave D"
wrote: "none" wrote in message .. . On Sun, 16 Oct 2005 14:37:25 GMT, "Shoreline Electronics" wrote: I don't think there is a 15" plasma made....only LCD Entire display panel is probably in need of replacement......usually costs as much as the unit itself! It's a plasma for sure. You said in your OP it has backlights. Plasmas don't have backlights, if it has backlights it surely has to be an LCD. Come to think of it, I don't think Plasmas have laminated screen layers either. What gives you the impression it's a plasma? Dave It says so on the case. |
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