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for those that are interested bulbs standard specs below

ccfl backlight specs, voltages and parameters cross reference

2mm bulbs

2.2mm bulbs

2.4mm bulbs

2.5mm bulbs

2.6mm bulbs

3.0mm bulbs

4.0mm bulbs

LCD Backlight Installation Guide

• See Selecting Backlight bulb or CCFL

• See backlight ordering and pricing page

Backlight, ccfl, lcd, tube, bulb, fitting guide, guides, by, lcd, screen,

A really comprehensive fitting guide: TX41D56VC1CAA, backlight, ccfl, bulb, tube, fitting, guide, instructions

• The backlight is an extremely small and delicate Fluorescent lamp and should be handled with extreme care and delicacy

• Replacing a backlight of ccfl lamp does need some soldering skill, but, is simple to do if you are careful, removing the lamp and replacing it in a notebook lcd is a little more delicate

• Laptop Screens usually have a metal reflector , but not as often as the larger screens.

Proper handling of backlights and CCFL lamps:  

Proper handling of CCFL lamps:

• The backlight is an extremely small and delicate Fluorescent lamp and should be handled with extreme care and delicacy

• Pressure or shock of any kind should not be applied to the lamps tube. This may result in Breakage or electrode deformation. (this may cause a leak out of the end of the lamp)

• Unnecessary heating of the lamps tube should be avoided, as this would break the seal, or break the lamp

• Stressing at the sealed ends, although invisible from outside, may produce damage to the seals and result in a slow leakage.

• This destroys the vacuum state inside and makes the lamp useless.

So

1. Do not impose pressure of any kind beyond 0.25kg on wire ends

2. Do not twist the wire ends in radial direction

3. Do not wind the wire ends at the joint ends. If necessary, please fix the wire before winding it at a position 10 mm or more from the ends.

Carefully remove the backlight from the lcd and reflector if necessary, remember it is best to take it out carefully and remember not to touch or stress the tab bonded connectors that connect the front panel to the control panel as shown below (the little tape bits with metal bars on this board)

If you stress these, you will end up with lines on the lcd, if you cannot get the backlight out without opening these up I suggest removing the metal frame and carefully opening the lcd up properly on the bench

Soldering method

1. Soldering iron: max. 25W

2. Soldering time: 4 seconds or less

3. Soldering position: >2-3 mm from the location where the wire comes out of the tube.

Carefully remove the rubber end of the lamp, (show here)

Trim the end of the lamp pins (shown here trimmed) to between 2-3mm of the end of the lamp bulb

Solder on the cable to the end and refit the rubber insulator, (being careful not to break the lamp or get it to warm)

(we will not replace a lamp broken or damaged by the client while soldering or fitting)

Replace the small insulator boot, then reassemble the panel

Required tools

1. 20-35 Watt Soldering iron with a small tip

2. Jewellers or electricians fine screwdriver set

3. Solder paste (or solder, but better with paste if you can get it)

4. Sharp knife

5. Side cutters

BHS CCFL Connector with wire, 5.6 mm width For LCD Screen CCFL Backlight LCD florescent tube, bulb BHS CCFL Connector with wire, 13 mm width For LCD Screen CCFL Backlight LCD florescent tube, bulb BHS CCFL Connector with wire, 14.3 mm width For LCD Screen CCFL Backlight LCD florescent tube, bulb

Silicon Rubber Cap For 2.6mm Diameter Lamp For LCD Screen CCFL Backlight LCD florescent tube, bulb Silicon Rubber Cap For 2.0mm Diameter Lamp For LCD Screen CCFL Backlight LCD florescent tube, bulb Conductive Copper and Hi Temp Tape fitting kit for Lcd Backlights For LCD Screen CCFL Backlight LCD florescent tube, bulb

Selecting Backlight bulb or CCFL Backlight fitting guide Cross reference by lcd part number and size Main Backlight page

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