Brother NV4000D Service Manual page 31

Main unit
18
Front cover disassembly (thread PCB assembly removal)
1. Remove the 2 screws 1, and then remove the thread PCB assembly 1.
19
Front cover disassembly (SS PCB assembly removal)
1. Remove the 2 screws 1, and then remove the S holder 1.
2. Remove the 2 screws 2, and then remove the SS PCB assembly 2.
20
Front cover disassembly (button removal)
1. Remove the thread button 1, operation button 2, and SS button 3.
21
Front cover disassembly (plate D removal)
1. Remove the screw 1, and then remove plate D 1.
Main parts
1
1
2 1
2 1
1 2
3
1
1
2 - 9