Removing/replacing the power supply pwb assembly, Cn4 cn6 cn28 – Texas Instruments 660 User Manual
Page 117
Field Service 6-23
6.5.13 Removing/Replacing the Power Supply PWB Assembly
The procedure for removing and replacing the Power Supply PWB Assembly is as follows:
1.
Turn off the computer; disconnect the AC power adapter (if attached), and
remove the battery packs as described in Paragraphs 6.5.1 and 6.5.2.
2.
Press the Cover Release Latch and open the notebook to a full 180 degree
position.
3.
Remove the Keyboard Assembly as described in Paragraph 6.5.6.
4.
Remove the Heat Sink Assembly as described in Paragraph 6.5.7.
5.
Remove the Cover-Display Assembly as described in Paragraph 6.5.9.
6.
Remove the Top Cover Assembly as described in Paragraph 6.5.10.
7.
Remove the screw securing the power Supply PWB to the Main PWB and
remove the Power Supply PWB.
8.
Reassembly is the reverse of Steps 1 through 7.
Figure 6-17 Removing/Replacing the Power Supply PWB Assembly
CN4
CN6
CN28