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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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Good source of CCFL tubes for LCD
I'm in need of 2 CCFL tubes for a 15" LCD monitor. I'm not sure where to
start looking. - Mike |
#2
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Good source of CCFL tubes for LCD
Try a Google search for "CCFL Tubes" or "LCD Monitor Repair"; or try
lcdpart.com. Worked for me. |
#3
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Good source of CCFL tubes for LCD
On Wed, 12 Oct 2005 02:24:33 -0400, "Michael Kennedy"
wrote: I'm in need of 2 CCFL tubes for a 15" LCD monitor. I'm not sure where to start looking. - Mike Hello Mike, Try this website for replacement lcd backlight tubes: http://www.lcdpart.com/doc/ccfl.html |
#4
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Good source of CCFL tubes for LCD
webpa wrote:
Try a Google search for "CCFL Tubes" or "LCD Monitor Repair"; or try lcdpart.com. Worked for me. We have several IBM ThinkPad T30's at work that have bad backlights. IBM wants $595 to replace the whole lid unit. They will sell the backlight, but don't offer the CCFT as a FRU. The units work well with a CRT, and you can see the Desktop with a flashlight, but right now these are paperweights. I would like to replace the CCFT and inverter and repair these units. Is there some hidden "catch" to this? Our local depot doesn't do it. I have the HMM which describes how to disassemble the display, and I am IBM certified and able to do the work, solder, etc. I also just had a HP VZ5000 through with the same problem. I was unable to open the display to investigate-prudently put it back together rather than break it. HP wants....$700 to fix the unit, not to mention reducing the young lady owner almost to tears during an hour of phone transfers and changed stories/prices. Any comments? -- PB "Fresh windows units enter the internet backwards, bent over & naked, screaming “Don’t infect me! It will take me more than 12 minutes to download the security packs!”-anonamin |
#5
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Good source of CCFL tubes for LCD
Plague Boy wrote:
webpa wrote: Try a Google search for "CCFL Tubes" or "LCD Monitor Repair"; or try lcdpart.com. Worked for me. We have several IBM ThinkPad T30's at work that have bad backlights. IBM wants $595 to replace the whole lid unit. They will sell the backlight, but don't offer the CCFT as a FRU. The units work well with a CRT, and you can see the Desktop with a flashlight, but right now these are paperweights. I would like to replace the CCFT and inverter and repair these units. Is there some hidden "catch" to this? Our local depot doesn't do it. I have the HMM which describes how to disassemble the display, and I am IBM certified and able to do the work, solder, etc. I also just had a HP VZ5000 through with the same problem. I was unable to open the display to investigate-prudently put it back together rather than break it. HP wants....$700 to fix the unit, not to mention reducing the young lady owner almost to tears during an hour of phone transfers and changed stories/prices. Any comments? While I haven't worked on those specific machines, I have replaced a few backlights and usually it's not too tricky provided you keep track of where everything goes, digital camera is great for this. Often you have to bend a bunch of little tabs to remove the metal frame from around the display panel and sometimes there's a bunch of screws and some tape holding things together but the tube is normally not too hard to find along one edge of the panel. |
#6
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Good source of CCFL tubes for LCD
Plague Boy wrote: webpa wrote: Try a Google search for "CCFL Tubes" or "LCD Monitor Repair"; or try lcdpart.com. Worked for me. We have several IBM ThinkPad T30's at work that have bad backlights. IBM wants $595 to replace the whole lid unit. They will sell the backlight, but don't offer the CCFT as a FRU. The units work well with a CRT, and you can see the Desktop with a flashlight, but right now these are paperweights. I would like to replace the CCFT and inverter and repair these units. Is there some hidden "catch" to this? Our local depot doesn't do it. I have the HMM which describes how to disassemble the display, and I am IBM certified and able to do the work, solder, etc. I also just had a HP VZ5000 through with the same problem. I was unable to open the display to investigate-prudently put it back together rather than break it. HP wants....$700 to fix the unit, not to mention reducing the young lady owner almost to tears during an hour of phone transfers and changed stories/prices. Any comments? Hi... I'm long retired, and waaaay behind... but somewhere recently I heard or read that Mouser Electronics, in Texas, USA had a vast assortment of CCFL tubes... Take care. Ken |
#7
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Good source of CCFL tubes for LCD
Have done several IBM, Dell, etc notebooks and HP NBs and desk-tops.
In general, try replacing the tube(s) first; only if a new tube doesn't work should you replace the inverter. Also in general, you will need patience and a good loupe to identify how things are assembled. Double sided tape and hot melt glue (or something similar...I've heard it called "Panda snot") are very popular for assembling displays; there are rarely more than 2 or 4 screws anywhere. I've also found that any CCFL tube that physically fits will usually work just fine...an "exact" replacement is not necessary. However, if you don't find an exact replacement tube, the display may end up with a slight overall color cast. |
#8
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Good source of CCFL tubes for LCD
webpa wrote:
Have done several IBM, Dell, etc notebooks and HP NBs and desk-tops. In general, try replacing the tube(s) first; only if a new tube doesn't work should you replace the inverter. Also in general, you will need patience and a good loupe to identify how things are assembled. Double sided tape and hot melt glue (or something similar...I've heard it called "Panda snot") are very popular for assembling displays; there are rarely more than 2 or 4 screws anywhere. I've also found that any CCFL tube that physically fits will usually work just fine...an "exact" replacement is not necessary. However, if you don't find an exact replacement tube, the display may end up with a slight overall color cast. I'll add that before you go through the trouble to replace the tube, wire up the new one to the inverter and turn it on to make sure it lights, no point in taking the effort to dissasemble the display if it's not the problem. If you can find one with a 6500K color temperature then the color should be fine. |
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