An LCD is essential in resin 3D printing. During printing, an image of each layer is generated on the LCD, while an array of LED chips project light through the LCD.
Please note that LCD is a consumable item, it may need to be replaced after a certain period of time. In this article, we’ll guide you through the steps of replacing the LCD on the Phrozen Sonic Mega 8K S:
Click here to view our warranty policy for LCD screens.
Disconnecting the cables
Step 1: Remove the resin vat and clean the LCD surface.
Step 2: Unscrew 4 screws on both sides and then remove 4 screws on the touch panel. Then remove the front casing.
Step 3: Unplug the USB connector and move the front casing away so that you can easily conduct the following steps.
Step 4: Unplug the following connectors carefully. First, unplug the four green connectors marked with numbers 1 to 4. Then, unplug the two white connectors beside the green connectors. Lastly, make sure to remove the black network connector on the side.
Step 5: Unscrew the three corners screws on the mainboard and remove it.
Step 6: Unplug the LCD ribbon cable from the board.
Replacing the LCD
Step 1: Remove tape from all 4 sides.
Step 2: Remove the old LCD.
Step 3: Unplug the ribbon cable from the old LCD screen. If this is your first replacement, you may remove the hot melted adhesive. Note: The adhesive is used to protect the connections from shipping accidents.
You can use a cotton swab to apply sanitizing alcohol on the edges to soften the glue on both the LCD screen and the CHITUBOX mainboard. Once the glue has been softened, the ribbon cable can be removed easily.
Step 4: Remove the plastic packaging from both sides of the new LCD screen.
Step 5: Plug in the ribbon cable into the new LCD screen.
Step 6: Place the new LCD. Phrozen's logo should be present on the front side. Then insert the ribbon cable into the gap next to the glass where the LCD screen is placed. Please make sure the ribbon cable doesn't block the LED lights.
Step 7: Tape down all 4 sides. As there is a gap present in the front, you’ll need to use a larger piece of tape or tape the area down twice to make sure that the gap has been sufficiently covered. Your new LCD screen has now been perfectly fit into the 3D printer!
Reconnecting the cables
Step 1: Plug the ribbon cable into the mainboard.
Step 2: Reinstall the board
Step 3: Plug in the following connectors carefully. First, plug in the four green connectors that are marked with numbers 1 to 4. Then, plug in the two white connectors beside the green connectors. Lastly, make sure to connect the network connector.
Step 4: Move the printer's front casing closer and plug in the USB connector.
Step 5: Tidy up the wires to avoid blocking the LED lights.
Step 6: To install the front casing, tighten all 4 screws on the front side.
Step 7: Last but not least, make sure to conduct the LCD TEST. If the LCD functions correctly, then LCD replacement is complete.
Note: Please recalibrate your Z Axis after replacing the LCD Screen your printer.
Click here to view the entire Sonic Mega 8K S Starter Guide.