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 42 SANYO DP42841 LCD TV COMPLETE REPAIR KIT  US $185.00
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15.4" WXGA/WXGA+/WUXGA LCD Inverter Board and CCFL Backlight with Wire Harness Combo for Dell Laptop/Notebook Inspiron 1501 1520 1521 1525 1526 6400 E1505 Latitude 131L D531 D820 D830 Precision M4300 M4400 M65 M70 Vostro 1000 1500 XPS M1530 Sale Price: $25.99  |
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Does your Laptop LCD screen or Destop LCD Monitor appear to be getting dimmer? is the screen flickering or suffering from the infamous pink hue (Red Tint) or simply just dark Screen? This is probably caused by the defective CCFL backlight or Inverter Board, and all you need to do is replace them... |
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LCD Inverter Board for Dell Laptop/Notebook Inspiron 1300 5000 5000e 500m 5100 510m 5150 5160 6000 600m Latitude 100L 110L D505 D510 D520 D530 D600 D610 D810 Sale Price: $7.99 Used From: $7.99 |
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Does your Laptop LCD screen or Destop LCD Monitor appear to be getting dimmer? is the screen flickering or suffering from the infamous pink hue (Red Tint) or simply just dark Screen? This is probably caused by the defective CCFL backlight or Inverter Board, and all you need to do is replace them... |
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14.1" WXGA/WXGA+ LCD CCFL Backlight with Wire Harness and Inverter Board Combo for Dell Laptop/Notebook Inspiron 1410 1420 1425 1427 1428 630m 640m B120 B130 E1405 Latitude 120L D620 D630 D630c D631 E5400 Precision M2300 M2400 Studio 1435 Vostro 1400 XPS M140 Sale Price: $28.70 Used From: $28.81 |
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Does your Laptop LCD screen or Destop LCD Monitor appear to be getting dimmer? is the screen flickering or suffering from the infamous pink hue (Red Tint) or simply just dark Screen? This is probably caused by the defective CCFL backlight or Inverter Board, and all you need to do is replace them... |
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Apple Macbook 13In. LCD Inverter Board Sale Price: $14.77 Used From: $5.99 |
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Dell 14.1" LCD Screen Inverter For Latitude D620 D630 D420 D640, Inspiron 1300 B120 B130 630M 640M, XPS M140 Sale Price: $0.50 Used From: $7.74 |
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Dell 14.1" LCD Screen Inverter For Latitude D620 D630 D420 D640, Inspiron 1300 B120 B130 630M 640M, XPS M140: Original NEW Laptop Dell D620 Inverter. Type: Laptop LCD Inverter. Perfectly working with the 14... |
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15.4" WXGA/WXGA+ LCD Inverter Board for Dell Laptop/Notebook Precision M60 Inspiron 8500 8600 9100 Latitude D800 Sale Price: $14.99 Used From: $2.09 |
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Does your Laptop LCD screen or Destop LCD Monitor appear to be getting dimmer? is the screen flickering or suffering from the infamous pink hue (Red Tint) or simply just dark Screen? This is probably caused by the defective CCFL backlight or Inverter Board, and all you need to do is replace them... |
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HP/COMPAQ C300 C500 C700 LCD Inverter Board Sale Price: $5.98 Used From: $3.99 |
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HP/COMPAQ C500 C700 LCD Inverter Board (ONLY fit for 15.4" LCD laptop listed below. Not compatible for 15") Compatible Models: Compaq Presario Series: X1000, V5000, V5200, C300, C500, C700, R3300, R4000, R4100, R3000, R3100, R3200 HP Pavilion Series: ZT3000, ZT3100, ZT3200, ZT3300, ZT3400, ZV5000, ZV5100, ZV5200, ZV5300, ZV5400, ZV5500, ZV6000, ZX5000, ZX5100, ZX5200, ZX5300, DV5000, DV5100, NX7000, NX7010, NX9100 Acer Aspire Series: Acer Aspire 2000, 2010, 2020, 3100, 5100, 5110, 5720 Series IMPORTANT! Please compare your current inverter to the one pictured above... |
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HP Pavilion LCD Inverter Board Compatible Models HP COMPAQ CQ40 Series HP Pavilion DV4 Series DV4, DV4T, DV4Z, DV4T-1000, DV4Z-1000 DV4T-1100, DV4Z-1100, DV4-1020, DV4-1028, DV4-1120 DV4-1123, DV4-1125NR, DV4-1144, DV4-1220, DV4-1227, DV4-1228 DV4-1280, DV4-1281, DV4T-1300, DV4-1300, DV4-1322, DV4-1365DX, DV4-1400 Compatible Part Numbers E131735, YNV-C01, 316800000067, 486736-001 PWA-TF041, PK070008J20, PK070006120, RM559, 0RM559 Sale Price: $4.79 Used From: $2.99 |
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HP Pavilion LCD Inverter Board Compatible Models HP COMPAQ CQ40 Series HP Pavilion DV4 Series DV4, DV4T, DV4Z, DV4T-1000, DV4Z-1000 DV4T-1100, DV4Z-1100, DV4-1020, DV4-1028, DV4-1120 DV4-1123, DV4-1125NR, DV4-1144, DV4-1220, DV4-1227, DV4-1228 DV4-1280, DV4-1281, DV4T-1300, DV4-1300, DV4-1322, DV4-1365DX, DV4-1400 Compatible Part Numbers E131735, YNV-C01, 316800000067, 486736-001 PWA-TF041, PK070008J20, PK070006120, RM559, 0RM559 |
Lcd Inverter Board
Illustrated how to replace a Latitude notebook backlight and LCD
I always pull the battery before I work on any laptop or notebook. The last thing you need is for your Dell to power up while you’re taking it apart. I’m taking apart this Dell Latitude for the sake of illustrating an example, but it’s not something you normally want to undertake without first troubleshooting the screen failure. The first challenge for getting into the Dell and checking connections replacing the screen or backlight is to find the screws. Like all laptops I’ve seen lately, the Latitude has four screws hidden under rubber pads at the corners of the screen.
Some would-be home laptop repair techs give up because they can’t get the rubber pads out. In some instances, as with this Dell (pa 12 ac adapter), you really need to dig something fairly sharp and stiff into the cavity to get under the plug. I used a jewelers screwdriver in this case. Once you remove the rubber bumpers, you’ll expose a regular Philips head screw. Some laptop manufacturers put a little glue on there to keep the screw from loosening, in this case Dell didn’t, they probably figured it’s hard enough just to get the rubber out. Don’t rush into tearing the screen apart without troubleshooting the video problem first.
Once the screws securing the plastic bezel are removed, you still have to unsnap it from the body of the lid. If you’ve never worked on the particular notebook model before, you don’t know where the plastic latching tabs are, so it’s a bit nerve wracking. You can see the main locking tab holding the screen bezel on this Dell Latitude about halfway down the side of the bezel. The circuitry to the right of the LCD is the inverter that provides the high voltage for the backlight.
Sometimes you can locate hidden tabs with a thin screwdriver, sometimes I just keep a steady force on the bezel and pry. When you locate the sticking point, if should release if you push in on the bezel at that point to free it from the notebook lid. Here I’m lifting the whole bezel off our Dell laptop(pa 10 ac adapter), exposing the inverter circuit to the right (you can also see it above), which is a standard placement. The only function the bezel serves is as a cover, removing the screws doesn’t free up any of the components.
The LCD screen is secured to the back of the laptop lid with four screws. The light grey metal structure you can see on the front isn’t actually part of the LCD screen, we’ll be removing it later. It houses the backlight and the reflector, keeping the whole assembly together as one unit. This Latitude LCD assembly is a much more modular design than the Toshiba we disassembled in the last page.
Once the screws are removed, I stood the LCD assembly on the keyboard while removing the connectors. The first connector I removed was the simple ribbon cable which delivers the digital video signals (addressing for the LCD matrix) to the Latitude screen. It’s a simple push together connector that I removed by grasping it right at the connector and gently pulling it out.
Here I’m removing the inverter connector. The inverter circuit powers the backlight in our Dell pa-10, a CCFL (Cold Cathode Fluorescent Lamp), which requires a high voltage to strike a plasma. CCFL tubes actually have better life expectancy than the inverters, so most techs will try replacing the inverter before fooling around with removing the backlight. I illustrate removing the inverter board from a Toshiba Satellite here. You can find replacements on the aftermarket fairly easily for most models.
Now we get to removing the grey metal structure that secures the actual LCD screen to the backlight assembly. The design used a dozen little metal tabs that are bent into depressions in the white plastic holder, and which are easily opened with a small screwdriver. Dell also saw fit to tape the units together on the top and bottom. I just undid the tape on the top and left it on the bottom as a hinge.The LCD screen from this Dell Latitude utilizes a nice translucent light panel, in addition to the backlight, The purpose of the light panel is to spread the light from the backlight equally behind the LCD for even backlighting.
The CCFL backlight itself is secured over the top of the LCD screen in a channel with a thin strip of copper tape. The tape is reusable, at least it held up through this extraction and replacement. Dell really seems to have a tape thing going on with this Latitude:-) Once the CCFL backlight is exposed, you can pull back the little rubber insulators on the ends and unsolder it. Yup, the tube is actually touch soldered to the inverter leads on either end. Below I show the exposed backlight on a black background. Assembly is simply the opposite of disassembly.
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