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The keypad ECA (510-1306-xx) mounts on top of the controller ECA. When the top case is in place, the keypad
assembly that is attached to the top case mates with the keypad ECA. When a button is pressed on the keypad,
the ECA receives the signal and passes it on to the controller.
There are no fasteners securing the keypad ECA to the controller ECA. Instead, the board is attached on the rear
with a connector on the controller ECA. The front of the board rests on the controller ECA with two feet, which
insert into slots on the controller ECA.
To access the keypad ECA, you must first remove the FRUs listed below. We suggest you remove them in the
following order:
1 Focus and zoom rings (see page 64)
2 Lamp door (see page 71)
3 Front bezel (see page 69)
4 Rear bezel (see page 70)
5 Top case (see page 74)
When you finish removing the above items, do the following:
1 Holding the keypad ECA on both sides, carefully lift the board until the controller/keypad connector
separates.
Lift the back of the keypad ECA to disengage the
controller/keypad connector.
400 Series Service Resource Guide85 |