40496501TH Draft Version 563.3.3 Control Block [Control Board (PMA Printed Board), Driver Board (PDA Printed Board)](1) Remove Cover Rear (B). (See 3.3.1)(2) Unscrew 2 screws 1 and unplug all the connecting cords to Control Block 2.(3) Remove Control Block 2, sliding it into the arrow direction.[Control Board (PMA Printed Board) and Driver Board (PDA Printed Board)]Unscrew 2 screws 3 then pull Driver Board (PDA Printed Board) 4 upward and release itfrom the connecting position to Control Board (PMA Printed Board) 5.(4) For installation, reverse the removal procedure.(Note on Installation)1. Prevent the connecting cords form being caught under Control Black 2.2. Make sure Control Block 2 is fixed with 2 hooks on Lower Cover 6, when mounting the Unit.453612Hooks