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1-7. Replacing the Boards
1-7. Replacing the Boards
n Turn off the power of both power supply units and unplug the power plugs from the outlets before starting the replacement.
1-7-2. The Connector Boards
1. Remove the two screws, then remove the connector panel. 2. Secure a new connector panel to the PFV-D50A with the two screws.
1-7-1. The Plug-in Boards
1. Remove the front panel. (Refer to Section 1-2.) 2. Remove the four screws, then remove the BKPF cover.
B 3x6
B 3x6 Connector panel
PSW 3x6
1-7-3. LE-203 Board
1. Remove the front panel. (Refer to Section 1-2.) 2. Remove the power supply unit which contains the LE203 to be replaced. (Refer to Section 1-5.) 3. Remove the one screw at the front side of the power supply unit. 4. Disconnect the connector CN401. 5. Install a new LE-203 board in the reverse order of steps 1 to 4.
LE-203 board
PSW 3x6
BKPF cover
3. Turn the board lever in the direction of the arrow 2, then pull out the board toward you. 4. Turn the board lever of a new board in the direction of the arrow 1, insert the board along the board guide rail, then push it until it connects to the MB-812 board securely.
CN401
2 1 1 2
B 3x6
Board lever
Board lever
1 2
1 2
1 2
Install Remove
5. Install the BKPF cover and front panel.
PFV-D50A
