Tektronix 4 Series Declassification And Security Instructions

The power cables are red on MSO44B and MSO46B insruments.
f. Disconnect the smaller cables on the other end of the chassis.
g. Set the rear chassis aside.
Remove the Processor board
1. Use a Torx T-10 screwdriver to remove the seven (7) screws from the Processor board.
2. Lift and pull the Processor board away from the chassis. It is still connected with cables, so be careful to not pull it too far.
3. Carefully rotate the Processor board 180° counterclockwise to get access to the cable connectors.
4. For MSO44 and MSO46 instruments:
a. Disconnect the small white plastic cable connector.
Clear and sanitize procedures
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Tektronix 4 Series Specifications

General

Brand	Tektronix
Model	4 Series
Category	Test Equipment
Language	English