Removing/Replacing The Power Supply Pwb Assembly - Texas Instruments Extensa 660 Series Maintenance Manual

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.
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Figure 6-17 Removing/Replacing the Power Supply PWB Assembly
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Field Service 6-23