Tektronix WFM91 Stereo System User Manual


 
Removal and Replacement
6–14
WFM 90 and WFM 91 Service Manual
Pull nub
through board
with tweezers
Keypad
Top board
Figure 6–4: Installing the keypad
3. Install the Top board. Refer to Top Board on page 6–13.
4. Install the top cover. Refer to Top Cover on page 6–7.
Top Board Shield. To remove the Top board shield, perform the following
procedure:
1. Remove the top cover. Refer to Top Cover on page 6–7.
2. Remove the two retaining screws from the top of the Top board.
3. Slide the Top board shield out from under the Top board.
To replace the Top board shield, perform the following procedure:
1. If you are replacing the Top board shield, bend the tab on the shield as
shown in Figure 6–5.