Removal and Installation Procedures
6-- 24
TDS7104 & TDS7054 Service Manual
CAUTION. When removing or installing the keypad, make sure you do not touch
the switch contacts with your fingers. The oils in your fingers will degrade or
damage the s witch contacts. To help prevent damage to the keypad use cotton
gloves when removing or installing the keyboard pad.
3. Reinstallation: Do in reverse step 2 to reinstall the keypad, front panel board,
and the front panel assembly. Then see the following instructions:
a. Make sure the keypad is aligned properly on the Front Panel board.
b. Make sure the ribbon cable is routed correctly when installing the Front
Panel into the chassis.
c. Insert the two floppy disk support tabs into the front panel square
openings. Both left front panel tabs must go into the chassis slots. See
Figure 6--9, on page 6--21.
1. Locate module to be removed: Locate the Display assembly, Figure 6 --12, on
page 6--25. Additional modules to be Removed:
H Trim (front panel & top)
2. Orient the oscilloscope: Set the oscilloscope so its bottom is down on the
work surface and its front panel is facing you.
CAUTION. To avoid damage to the front panel Standby/On switch assembly, do
not set the Display module assembly on a work surface. Sliding the oscilloscope
over the edge of the work surface could break off the On/Standby switch
assembly.
3. Remove the Display assembly: See Figure 6--12, on page 6--25.
a. Remove the four T-15 Torx screws that secure the display assembly to
the chassis.
b. Grasp the display assembly at the finger reliefs located at the top-right
and bottom-left corners of the display assembly and pull forward far
enough to allow access to the flex cable connector.
c. Disconnect J5 flex cable from the display assembly. Remove the display
module assembly from the oscilloscope. See Figure 6--12, on page 6--25.
Display Assembly
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