KAWAI CA550
Manual de Usuario

2-7. Replacement of Board

2-7-2. Replacement of CN-1190 Board
n Every electrical part mounted on the CN-1190 board cannot be repalced. If there is any defective part, replace the board itself. 1. Remove the right and left side panels referring to Section 2-1. 2. Pull out the three plug-in boards, MD-103, AU-211 and TR-90.

5. Remove the four screws and remove the rail bracket.

B2.6 X 5

Rail bracket

B2.6 X 5

6. Remove the two screws securing the CN-1190 board. Disconnect the two flexible card wires referring to Section 2-6.
Flexible card wire

MD-103

TR-90 AU-211

3. Disconnect CN2 from the DM-98 board. Remove the three screws and remove the spacers and the DM-98 board. If the option board DM-99 is installed, carry out Step 4. 4. Disconnect CN2 from the DM-99 board. Remove the three screws and remove the spacers and the DM-99 board.
CN2 B3 X 4 B3 X 4 DM-99 (option)

Precision P2 X 5 CN-1190

7. Install a new board in the reverse procedures of the removal.

Spacer B3 X 4 B3 X 4 B3 X 4 CN2

DM-98

Spacer

CA-550 CA-550P

2-5 (E)