Samsung DV220AEW/XAA Service Manual page 13

Part figure Description
1. Disconnect the power supply to the unit.
2. Remove the top cover, and the main PCB.
3. Remove 3 screws from Console.
4. Remove the Console.
Console Removal
5. Remove the Knob.
6. Remove 6 screws from the Holder PCB.
Be careful of external scratch on the console.
Removal and Reassembly _ 11