Sharp RZ-X750 (serv.man4) Service Manual ▷ View online
35
Replacing the main memory
Make sure the system and peripherals are off.
1
Remove screws of the memory plastic cover, disassembly the memory plastic cover.
4
Remove the memory from the memory slot.
7
Remove screws of the metal cover and remove the metal cover.
5
Make sure that the eject clips on both sides of the socket are open.
6
Disconnect cables for the peripherals and DC power input jack from the system.
2
1
3
4
5
6
5
2
1
2
Remove screws from the stand.
3
36
Align the notches of the DIMM memory with the slot keys of the socket. This allows the
memory to be inserted. Gently push the memory into the slot until both eject clips rise
to the lock position.
memory to be inserted. Gently push the memory into the slot until both eject clips rise
to the lock position.
7
Assemble it in the opposite way of disassembly and connect the peripheral cables &
DC power input jack.
DC power input jack.
8
1
3
4
6
5
2
2
37
Replacing the Lithium battery
Make sure the system and peripherals are off.
1
Remove screws of the HDD plastic cover, disassembly the HDD plastic cover.
3
Take out the hard disk.
6
Remove screws of the stand, disassembly the CDP and MSR.
4
Remove screws of the back metal cover and the back metal cover.
7
Remove screws of the back plastic cover, remove the back plastic cover.
5
Disconnect cables for the peripherals and DC power input jack from the system.
2
Assemble it in the opposite way of disassembly and connect the peripheral cables &
DC power input jack.
DC power input jack.
9
1
2
3
Take out Lithium battery and replace to the new Lithium battery.
8
38
Note:
•
Please press power button for 4 seconds in case that the system is shut down due to the
sudden power supply failure or system failure.
sudden power supply failure or system failure.
SYSTEM POWER ON/OFF
Turning-on System
After completing system installation, please turn on the system following next steps.
Turning Power-off System
Please close all the application programs you are using.
Turn on the power of the peripheral devices connected to the system.
1
After clicking "Start" button in the initial screen of Windows, select "Shut down".
1
The lamp of power display located in the lower right side of LCD panel on the
system front side is turned on. After checking memory capacity of the system, self
diagnostic test will be executed. These consecutive processes are to check that all
the functions of the system are operated normally.
system front side is turned on. After checking memory capacity of the system, self
diagnostic test will be executed. These consecutive processes are to check that all
the functions of the system are operated normally.
3
Press the power button located in the lower left side of system body.
2
When user clicks "exit" button in the screen of "exit system", system will be closed.
2
After self diagnostic test is complete, the initial screen of Windows will be displayed.
4
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