Service manual

Nacho Family Service Manual 15
Check Controller ECA and I/O Voltages
1 Remove the top case.
2 Plug the projector into a power source.
You can measure ‘non-power state’ voltages on the controller ECA when the projector is not powered up.
3 Use the remote control to power up the projector.
NOTE If you don’t have a remote control, you can plug the keypad cable into its connector on the controller
ECA, and use the power button on the keypad.
4 Use measurement equipment to check the controller ECA for voltages.