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.
