Thecus N7700 User manual

N7700 motherboard and power supply replacing SOP 1/4 11/11/2008
N7700 motherboard and power supply replacing SOP
1. Purpose: replacing the motherboard and power supply of N7700
2. Procedures
2 1. Prepare for two screw drivers. Pull out HDD trays one by one.
2 2. Loosen four screws on back plate by a screw driver, and then pull out the back plate
module. Detach the fan header.

N7700 motherboard and power supply replacing SOP 2/4 11/11/2008
N7700 motherboard and power supply replacing SOP
2 3. Loosen two screws on back plate by a short screw driver, and then slide out the
motherboard.
2 4. You may have to lift up the backplane board to slide out the motherboard, and then
detach the backplane board from the motherboard. Detach case open wire from the
motherboard to slide out the motherboard.

N7700 motherboard and power supply replacing SOP 3/4 11/11/2008
N7700 motherboard and power supply replacing SOP
2 5. Detach ATX 20 pin power connecter to slide out the motherboard, and then detach two
flat cable connectors to slide out the motherboard.
2 6. Detach ATX 12V power connectors completely slide out the motherboard from the
chassis.
2 7. Detach the DDR2 memory module and DOM from original motherboard and then install
them onto the new one.

N7700 motherboard and power supply replacing SOP 4/4 11/11/2008
N7700 motherboard and power supply replacing SOP
2 8. Unscrew the power supply unit and then take it away from the metal frame.
2 9. Reverse above steps 2 1 to 2 6 to assemble the NAS unit with new motherboard or new
backplane board.
. Warning
3 1. When attach two flat cable connectors to the motherboard in step 2 5, make sure the pin1
(red wire) is farthest to the ATX 20 pin power connector. The motherboard may be burnt
if you shift the pin header or put pin1 nearest the ATX 20 pin power connector.
EOF