User's Manual
Removing/Inserting Circu it Boards
If it proves necessary to remove or insert the main circuit board from/into the prox.pad plus
controller/keypad, follow the steps below.
1. Disconnect the back housing of the prox.pad plus unit from the front
keypad/controller.
2. (When handling the main printed circuit board, to guard against possible static
discharges, touch a grounded object BEFORE touching the prox.pad plus unit.)
Remove the main printed circuit board by pressing the two spring tabs in the direction
ofthearrowsasshowninFigure3.Becarefulwiththewires.
3. Fold up the main circuit board and remove the P4 c onnector (a 4-conductor harness)
from the bottom of the board.
4. To re-insert, replace the main circuit board into the keypad/controller and the P4
connector to the main circuit board.
5. Connect the keypad/controller to the back housing.
Figure 3 Removing/Inserting Printed Circuit Board
Prox.pad plus Access System Installer Guide
10 Part No. 6045679, Rev. 1.0, D5