Keypad - Tektronix TDS2022C Technical Reference

Maintenance

Keypad

6–22
You will need a torque-limiting Torx T-15 screwdriver for this procedure.
Refer to the exploded view diagram for the 2-channel models or the 4-channel
models. (See page 8-4.) (See page 8-6.)
Removal.
1. Remove the power button and rear case. (See page 6-10, Rear Case.)
2. Remove the internal assembly from the front case. (See page 6-13, Internal
Assembly.)
3. Lift the keypad switch out of the front case.
CAUTION.
Keep the electrical contacts on the back of the keypad clean. Skin oils
and dust inhibit good electrical contact.
Installation.
1. Place the front case face down on a soft surface (such as an anti-static mat).
2. Align the switch keypad into the front case using the guide posts and the
holes in the keypad.
CAUTION.
Keep the electrical contacts on the back of the switch keypad clean.
Skin oils and dust inhibit good electrical contact.
3. Check that all buttons are properly seated before proceeding.
4. Assemble the oscilloscope by performing the installation procedure for each
module that was removed.
TDS2000C Series Oscilloscope Service Manual