X1 Service Guide 71
Keypad Problems
For this test, make sure that you
point the remote control directly at
the IR receiver on the front of the
projector.
Keypad does not respond to key presses
Does the
remote control
work?
No
Replace the controller ECA.
(page 19)
Yes
Replace the keypad ECA
(page 37)
The IR ECA mounts permanently
to the keypad ECA. You replace
both parts at the same time.