Model RB-MD-923 Replacement TX3-NSL-8M Board Installation Instructions RB-MD-923 Mounting Unscrew the six screws that hold the existing board in place. Disconnect the two cables from top of the controller board. Replace with new board RB-MD-923, connect the two cables and use the six screws to mount the replacement board in place.
Figure 1: RB-MD-923 TX3-NSL-8M Board Replacement
NSL CABINET
Ribbon cables
Remove the controller board by unscrewing the six screws which hold the board in place. Disconnect the two ribbon cables. Place the RB-MD-923 Replacement TX3-NSL-8M Controller board in its position and fasten the six screws to hold in place. Re-connect the two ribbon cables.
Six mounting screws hold the board in place.
TX3-NSL-8M NSL Unit LT-977 Rev 0 September 2009