QHYCCD QHY9 - Manual (Page 11)

9) Camera disassembly and CCD cleaning
If the need ever arises where you need to clean the camera, then the following will help you
accomplish your task. Be aware, if you remove the CCD chamber completely, you will need to re
gas the chamber to prevent any potential issues that may arise with moisture.
1. Remove the three screws in the upper camera housing.
2. Lift the upper housing and put aside.
3.
Remove the upper PCB board by gently lifting a little bit at a time around board
.