FRU Removals and Replacements (8551)
FRU Removals and Replacements
Follow the numerical sequence in the FRU removal sequence list and the
exploded view to remove or disconnect parts in the correct order. The
letters in parentheses in the list indicate screw types.
See the 'Screw Size Chart', to match the letters to the correct screw type
and size before replacing each screw.
Safety 8
Safety 1
- Battery Pack
- LCD Hinge Covers
(Press down on the hinge cover and slide it forward until the tabs clear the
bezel.)
- Two Screws (T) with Flat Washers
(At bottom of bezel plate)
- Screen Bezel Plate
- Four Screws (2-T, 2-H)
(At display corners)
Upper Right Screen Cable
Left Center Screen Cable
Lower Right Screen Cable
- Two Hinge Screws (V) with Flat Washers
(One on each hinge)
- Screen Sub-Assembly
- Backup and Standby Batteries
(When installing backup battery, align wires with edge of
voltage converter. Ensure wires do not extend beyond edge of
voltage converter or they might be damaged when you replace bottom
cover.)
- Five Screws (4-E, 1-V)
(On bottom cover)
- Bottom Cover
Ribbon Cable from Diskette Drive
Battery Cable
Voltage Converter Cable
- Keyboard Cables
- Three Voltage Converter Screws (2-H, 1-T)
- Voltage Converter
(Voltage converter consists of three boards. Gently lift voltage
converter up to unplug two connectors from system board.)
- Four Diskette Drive Cables
(These cables are very fragile. Be very careful when disconnecting them.)
Four Diskette Drive Screws (H)
- Diskette Drive
- Speaker
- Two Battery Bracket Screws (B)
- Battery Bracket
- Two Hard Disk Drive Cables
(These cables are very fragile. Be very careful when disconnecting them.)
Two Hard Disk Drive Screws (H)
- Hard Disk Drive
(Have customer backup all information on hard disk drive before
removal. When replacing hard disk drive, use customer's
backup Reference Diskette to restore system partition.)
- Upper Left System Board Cable
Six System Board Screws (2-L, 4-H)
Lower Left System Board Cable
Upper Left System Board Cable
Upper Right System Board Cable
Two Cables, System Board Top Edge
- Two Screws (T) and Keyboard Control Card
(When replacing keyboard control card, make sure that switch setting
on card is correct for type of keyboard used.)
- System Board
(Run Automatic Configuration and set time and date.)
- Two Battery Connector Card Screws (H)
- Battery Connector Card
- Six Keyboard Screws (H)
(Four front and two rear keyboard assembly screws. Two rear screws are
located in line with two battery connector card screws.)
- Two Speaker Bracket Screws (B)
- Speaker Bracket
- Keyboard Assembly
- Three PC Board Screws (H)
- Rear Panel PC Board
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