Maintenance
2031504-159D MAC™ 800 4-19
11. Perform the applicable checkout procedures.
Refer to “Functional Checkout” on page 4-24.
Replacing the Internal Modem (option)
1. Disconnect the system from AC power.
2. Remove the battery assembly as described in “Replacing the Battery
Assembly” on page 4-7.
3. Remove the top cover assembly as described in “Replacing the Top
Cover Assembly” on page 4-9.
4. Remove the lcd assembly as described in “Replacing the LCD
Assembly” on page 4-12.
5. Remove the internal modem from its socket.
6. Reassemble the internal modem by reversing the steps for removal.
Take care to align the contact pins with the sockets and align the
hole with the plastic pin before pushing it into the sockets.
7. Perform the applicable checkout procedures.
Refer to “Functional Checkout” on page 4-24.
Replacing the Power Supply Assembly
Removing the Power Supply Assembly
1. Disconnect the system from AC power.
2. Remove the battery assembly as described in “Replacing the Battery
Assembly” on page 4-7.
3. Remove the top cover assembly as described in “Replacing the Top
Cover Assembly” on page 4-9.
4. Remove the LCD assembly as described in “Replacing the LCD
Assembly” on page 4-12.
5. Remove the mainboard assembly as described in “Removing the
Mainboard Assembly” on page 4-16.
6. Remove the six M3X8 screws from the shield plate as shown in the
following illustration.
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