Westinghouse L1975NW repair
If you have a Acer AL1916W,Viewsonic VA1916b,VA1926W,VA1916W Westinghouse L1975NW or L2046NV or Gateway FPD-1830 monitor that has no picture but a solid green power light then this should help get you back running. All of these monitors use the DAC-19M005 power supply board. Below you will find a full walk through on repairing your LCD monitor. To do the repair you will need the following tools: Soldering iron, de-solder braid, Phillips screwdriver, flat blade screwdriver. You will also need the following electronic parts: qty(2) 220uf 25v capacitors, qty(2) 40T03GP MOSFETs and qty(1) surface mount 4 amp fuse. We sell a repair kit with all of the parts for the repair in our parts store. If you don’t want to do the repair yourself then use the ‘Service Request form’ above.
First you need to remove the power cable, signal cable and the stand. To remove the stand pull the plastic cover off and remove the 4 screws.
Now remove the four screws, one in each corner, as shown by the arrows.
After the screws are removed you will need to pry the back of the case off as illustrated in the pictures below. Use a small flat bladed screwdriver. Once you have a little gap in the case just pull the 2 halves apart and work your way around the screen.
After the screen unit is removed from the plastic case we can get down to the repair. We need to remove the power supply unit. You will need to unplug the 4 backlight connections ( Red arrows). The remove the 10 screws that are holding the metal shield in place (yellow arrows).
Now unscrew and remove the power supply board.
The components that we will be removing are labeled C204, CE101, Q205, Q206 and F200 located on the bottom of the board. The capacitors need to be installed with the proper polarity so be sure to check the board markings (new capacitor stripe facing same way as old capacitor strip)
The fuse F200 is located on the bottom of the power supply board, and is about the size of a grain of rice.
After the parts are replaced just reverse the procedure to reassemble the case. Now apply power and you should have a fully functional monitor again.