Service manual

6
1 Replacing the Power Supply
1.1 Description:
The Power supply used is a standard PC power supplies with special connectors
mounted at Doremi Labs. It is best that you get the replacement from Doremi so it will
have all the right connectors.
1.2 Removal Procedure:
♦ Disconnect all cables including power from the back of the V1.
♦ Remove the top cover of the V1.
♦ Unplug all power connectors from the V1 main board and drives.
♦ Remove the power switch, see Replacing the Power Switch below for more details.
♦ Remove the 4 screws holding the power supply to the back of the unit.
♦ Remove the 2 nuts holding the power supply to the internal bracket.
♦ Remove the 2 nuts holding the power supply bracket to the chassis.
♦ Remove the power supply and bracket all together.
1.3 Installation procedure:
♦ Install the bracket and the power supply in place.
♦ Install the 4 screws holding the power supply to the back of the V1.
♦ Install the 2 nuts holding the bracket to the chassis.
♦ Install the 2 nuts holding the power supply to the bracket.
♦ Install the power switch, see Replacing the Power Switch below for more details.
♦ Plug the power cables back on the V1 main board and drives. The cable with 2 red and 2 black
colors goes on J14 and the cable with 2 black, one blue and one yellow cable goes on J19.
Severe damage to the board might occur if these two cables are interchanged.
CAUTION NOTE: FOR VENTILATION PURPOSES, THE OPENEING OF THE TOP COVER
SHOULD ALWAYS BE TOWARDS THE HARD DISK TRAYS AND NOT TOWARDS THE
POWER SUPPLY. ALL INTERNAL CABLES SHOULD BE PLACED AT LEAST ONE INCH
ABOVE THE CIRCUIT BOARD, USE CABLE TIES IF NECESSARY.