Tektronix TekRanger 2 TFS3031, Service Manual

Page: 234 / 272

Maintenance
TFS3031 TekRanger/TekRanger 2 Service Manual
5–13
5. All electrical modules are now fully exposed as a unit.
As a unit, lift the Multimode Optical Module assembly, Singlemode Optical
Module assembly, MAIN31 board, and side panel (containing the Optical
Output ports) out of the bottom case half by carefully pulling the complete
unit out and away from their connectors on the Power Supply board.
NOTE . If there are two optical module assemblies installed, the multimode
assembly will be in the lower port position and singlemode assembly in the
upper port position (under the MAIN31 board which is in topmost position).
If only one optical module assembly is installed, it will always be in the lower
port position whether it is singlemode or multimode.
The floppy disk drive is always mounted on the optical module assembly in lower
port position.
Pull the complete circuit board
package away from these connectors
on the Power Supply board.