Dell 1815 Mono Laser Service Manual page 69

Precautions
5.26 LSU
1. Before you remove the LSU, you should remove:
- Middle Cover Ass'y (Refer to 5.20)
5.27 Terminal PBA
1. Before you remove the CRUM2 PBA, you should
remove:
- Middle Cover Ass'y (Refer to 5.20)
- LSU (Refer to 5.26)
Service Manual
5-34
2. Remove the four screws securing the LSU and
remove it.
2. Remove the one screw securing the CRUM2 PBA
and remove it and then release the four Terminals, as
shown below.
Terminal PBA
Terminal
Notice : Be aware of the Terminals to ensure they are
not lost.
LSU