How to replace the ccfl backlight lamp of LCD TV?
1. After removing the screen module from the complete machine, the rectification and replacement of the lamp tube must be completed in a dust-free environment or an environment where dust prevention measures have been taken;
2. All operators must wear clean white gloves;
3. All removed screws shall be stored by category and marked;
4. The working table must have clean protective pads;
How to replace the ccfl backlight lamp of LCD TV?
5. Before the screen module is brought into the workshop, the surface must be dedusted.
Note: The following steps only start after the screen module is removed, and do not meet the process requirements such as dust prevention.
1、 Remove the inverter shield screws
2、 Pull out the light tube row plug on the inverter, pull out the CN2 row plug, and remove the inverter module
Note: When pulling out the row insert, press the clip of the row insert by hand and then take it off. Do not pull the connecting wire directly to force it out
How to replace the ccfl backlight lamp of LCD TV?
3、 Remove the logic board shield screws
4、 Disconnect the drive board connector snap upwards and remove the logic drive board.
5、 Turn the screen over and remove all the structural screws on the front of the screen;
6、 Remove the fastening screws (2) on the top of the screen shell; Top screw, two recessed
7、 Carefully pry the buckles on the left and right sides of the face shell with a screwdriver. After loosening the buckles on both sides, carefully remove the outer frame of the metal face shell upwards; Pay attention not to scratch the screen during the process