Notebook Field-Replaceable Parts And Assemblies; Cover-Display Assembly - Texas Instruments Extensa 450 Series Maintenance Manual

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Caution: All boards, options and peripherals contain components that
are sensitive to static electricity. When handling any of these items, pro-
tect against static electricity by using wrist or ankle grounding straps
and grounded working mats. When moving or storing items, use the anti-
static bags supplied with the items.
6.4
All members of the Extensa 450 Series Notebook Computers contain two major
assemblies including the Cover Display Assembly (upper half of notebook computer)
and the System Base Assembly (lower half of the notebook). Each of these two
assemblies contain FRUs as described in the following subparagraphs.
6.4.1
As shown in Figure 6-1, the Cover-Display Assembly contains the LCD screen,
Power Inverter Board, and Converter Board.,The DSSTN models also include a Slide
Pot Board (not used with the TFT models).
The Field Replaceable Units (FRUs) within the Cover Display Assembly are provided
in Table 6-1.
n
Note: FRU level part numbers are not available at time of publication of this man-
ual. For required part numbers, reference the Field Service Bulletins (FSBs) for the
Extensa 450 Series or contact Texas Instruments by dialing 1-800-TI TEXAS.
Notebook Field-Replaceable Parts
and Assemblies

Cover-Display Assembly

Bezel (Removed
for Clarity)
LCD Cover
Figure 6-1 Cover Display Assembly FRUs
Power Inverter
Board
Slide Pot/Converter
Board
Field Service 6-3