anet a8 lcd panel brands
3. Check if it"s the issue of mainboard or lcd screen. Press the "Reset" button on the mainboard, and see if the D1 lights up on the mainboard. If the D1 indicator doesn"t lights on, it"s the mainboard that broken and need to change.
If your Anet A8 screen shows white blocks after power up, reconnect all the cables. If still not work, click the "RESET" on the mainboard. If still doesn"t work, you need to change for a new motherboard.
It probably can be done, but, it requires some splicing of your LCD cables (or using some Dupont male-female cables) and altering of the firmware pins header files.
The Anet A8 2004 graphical display (so-called ZONESTAR_LCD) uses (at least one as the buttons are suited with different resistors) analog pin that is used to detect which buttons are pushed.
In order for this to work on the MKS GEN L v2.0, you need to source for free pins that can mimic these pins and alter the header file and create a spliced LCD cable.
It might be much easier to buy a new reprap discount display controller for about 10 bucks/euros and connect it to the dedicated EXP1/2 headers. Stay away from the Anet A6 graphical display.