Optoma ZW210ST Serivce Manual page 28

5.Unscrew 2 screws (as yellow circle) to
disassemble Red LED.
6. Unscrew 2 screws (as yellow circle) to
disassemble Phosphor wheel cover.
7. Unscrew 2 screws (as red circle) to
disassemble Phosphor wheel module.
ZW20ST/ZX20ST Confidential 2-17