SMC Networks HRS012-A-10 Series - Page 185

HRX-MM-N007
Chapter 4 Service Procedure
HRS Series 4.5 Replacement Procedure
4-49
 Removal
1. Remove the upper panel and the side panel on the right referring the 4.2.1 Removal and the
mounting of the panel.
2. Remove the connector of main board and communication board. (7 locations)
3. Remove the screw (2 locations) of communication board.
4. Hold the spacer (6 locations) to remove main board and communication board. (Refer to Fig.
4.5-35 Removal of main board & communication board.)
5. Remove the communication board from main board.
Fig. 4.5-35 Removal of main board & communication board
 Mounting
1. Insert the main board to the communication board.
2. Mount the main board and communication board.(Spacer ×6)
3. Mount the screw of communication board. (2 locations)
4. Mount the connector of the main board and the communication board. (7 locations)
5. Mount the upper panel and the side panel on the right in reversed order of removal.
 When replacing the main control board, HRS-S0134, be sure to perform an initial setting
of the main board. Please refer to the initial setting procedure attached to the service parts.
2. Connector
2. Connector
2. Connector
2. Connector [PT2]
2. Connector [PT1]
4. Spacer (6 locations)
3. Screw
(2 locations)
5. Communication board
5. Main board
2. Connector
2. Connector [CN7]
2. Connector [CN6]