There is a split in the screen. Can you replace the front?

The flexi circuit board that connect the front to the main stereo is probably cracked and if replaced will solve your problem.

You have to pump down the a/c and remove the indoor unit. If not

The bottom of front side of front panel there are 3 screws. Unscrew and remove the front panel. Then unscrew PCB board. Then Unscrew the coil, and slightly keep upward and replace the blower.

try to ,change this

check the screen cable first. as it does not always happen. tilt the screen front and back to see it at some angles the split stop then you can confidently say it's the cable

try some black duck tape that might help until you can find a replacement parts

Open the front panel by unlocking the latch Inside you will see the filter screen. Slide it out and clean it. Replace the front panel

remove power to your monitor; then remove the monitor's back cover and, front cover;
when you can see the circuit board check for a buldged can capacitor or, two; replace these by unslodering them and, resoldering the new ones in place digikey.com sells the capacitors (don't forget the position of the capicitors they go in only one way

Instructions should be with new lamp. Press and hold volume down on TV front while pressing PLAY, or SPLIT, or PIP on PAN TV remote aimed at little window on TV front near front panel buttons for 5 seconds. Message will appear on screen saying lamptime reset. Press end to exit.

You can use plex i glass. ( if it's the clear screen your referring to ) The outer frame comes off from the front by removing the grill cover at the bottom then I believe you have a few screws to remove. Lay the frame face down and the rest should be self explanatory.

what is a split screen. cracked or broken? you will need to replace it they are not cheap.