Acer Extensa 570 Mantenance 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,
protect 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.
6.4Notebook Field-Replaceable Parts
and Assemblies
All members of the Extensa 57x Series Notebook Computers contain two
major assemblies including the Cover Display Assembly (upper...

Table 6-1  Cover Display Assembly, Field-Replaceable Units (FRUs)
Item 
No.FRU Description TI Part No. Reference
Paragraph
No.
01 Inverter Board, TFT/DSSTN 9811310-0001 6.5.15
02 11.3, DSTN SVGA LCD Panel 9811312-0001 6.5.6
03 10.4 TFT SVGA LCD Panel 9811313-0001 6.5.6
04 11.3 DSTN SVGA Cable 9811314-0001 6.5.6
05 10.4 TFT SVGA Cable 9811315-0001 6.5.6
06 Display Interconnect Board, TFT 9804800-0001 6.5.6
07 Display Interconnect Board, DSSTN 9804024-0001 6.5.6
08 TFT Panel Transfer Board 9804801-0001...

6.4.2System Base Assembly
As shown in Figure 6-2, the System Base Assembly houses a variety of
field-replaceable subassemblies and components. The FRUs and paragraph
references for removal/replacement procedures are listed in Table 6-2.
Table 6-3 contains a listing of Customer (non-technical user) replaceable
units (CRUs) and associated TI Part numbers.
.
Keyboard Assembly
Glidepad Assembly
IR/Sound BoardPower Supply Board
Display Cable Interface
BoardMain Board
Inverter Board
Display Assembly
Floppy...

Table 6-2  Base Assembly, Field-Replaceable Units (FRUs)
Item 
No.FRU Description TI Part No.Ref. Para.
No.
1 100MHZ Main Board w/CPU 9811305-0001 6.5.13
2 Power Supply, CPU 9811317-0001 6.5.13
3 Sound\IR Board Assembly (Addr. Sel.) 9811306-0001 6.5.10
4 Power Supply Assembly 9804020-0001 6.5.11
5 HDD Board Assembly, Gold Contact 9804805-0002 6.5.14
6 Status LCD Board Assembly 9804808-0001 6.5.7
7 4X CD-ROM Kit 9803982-0002 6.5.2
8 6X CD-ROM Kit 9803982-0003 6.5.2
9 810 Million Byte HDD 9786285-8001...

Item 
No.FRU Description TI Part No.Ref. Para.
No.
26 Speaker Cable Assembly 9805705-0001 Ref
27 Cable, Button to Glide 9805706-0001 6.5.9
28 Cable, Main Board to Button 9805707-0001 6.5.9
29 Cable, Main Board to Sound Board (2) 9805708-0001 6.5.10
30 Cable, Main Board to Sound Board (4) 9805709-0001 6.5.13
31 Cable, Main Board to Status LCD 9805710-0001 6.5.13
32 Status LCD Cover W/Lens 9805715-0001 Ref
33 CMOS Battery 9805704-0001 6.5.12
34 Door Assembly, Expansion Connector 9805719-0001 Ref
35 Door...

6.5FRU Removal and Replacement
Procedures
The following paragraphs contain field service-level removal/replacement
procedures for the Notebook.
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Caution: Prior to removing any of the internal FRUs in the notebook,
remove the AC Adapter, battery, floppy and hard drives and all external
options installed on the notebook.
6.5.1Removing/Replacing the Notebook Battery
Pack
The procedure for removing and replacing the battery pack(s) is as follows:
1
. Turn off  the computer and disconnect the AC adapter and...

3. 
The floppy drive assembly can be further disassembled by removing 
the Phillips-head screws from the sides of the floppy drive assembly;
lifting off the cover and lifting out the floppy drive and cable
connector (ZIF connector type). Unplug the cable at the ZIF connector.
6.5.3Removing/Replacing the Hard Drive
The procedure for removing and replacing the hard drive assembly is as
follows:
1
. Power down the notebook, remove the battery packs, and disconnect
 the AC adapter, if installed.
2
....

6.5.5 Removing/Replacing the Keyboard Assembly
The procedure for removing and replacing the keyboard assembly is as
follows:
1
. Power the notebook off
; disconnect the AC Adapter from the notebook 
(if attached) and remove the battery pack(s) as described in Paragraph
6.5.1.
2
. The top edge of the keyboard is held in place by latches above the 
PrtSc
 and F2
 keys. Slide the latches toward the outer edges of the
notebook.
3
. Using a small straight-blade screwdriver, lift the rear edge of the
keyboard...

6.5.6Removing/Replacing the Display Assembly
To access FRUs in the display assembly, remove the display assembly as
described in the following procedure:
1.
  Remove the keyboard assembly as described in Paragraph 6.5.5. 
2
. Lean the LCD partially back (do not lean the LCD completely back as 
it may cause the LCD status cover to bind).
3
. Using both thumbs, press the front edge of the LCD status cover to
release two latches on the rear edge of the cover. With a rocking
motion, gently remove the LCD...

6
. Lift the status LCD assembly out of the unit.
7
. Reinstallation of  the status LCD assembly is the reverse of Steps 1
through 6.
6.5.8Removing/Replacing the Top Case Assembly
To remove and replace the top case assembly assembly, perform the
following procedure:
1
. Remove the keyboard assembly as described in Paragraph 6.5.5.
2
. Remove the display assembly as described in Paragraph 6.5.6.
3
. Remove the LCD status assembly as described in Paragraph 6.5.7.
4
. Unplug the small cable located next to...