5
Replacing Assemblies
To remove the fan
WA R N I N G
Fan cable
AC input board
106
1 Perform the previous procedures:
•
"To remove the cabinet"
•
"To remove the main shield"
required for fan removal, it may be helpful)
•
"To remove the AC input board"
•
"To remove the power supply"
Thin sheet metal parts may have sharp edges. Handle with care to avoid injury.
2 Disconnect the fan cable from the AC board.
Figure 37
Locating and disconnecting fan cable
on page 80
on page 89 (although not
on page 103
on page 105
5000 Series Oscilloscopes Service Guide