Service manual

Nacho Family Service Manual 6
Power Diagnostics, part 2
Press the Power button on the keypad.
The power cord must be plugged in and the LED
must be solid green. If not, go back to Part 1.
Is the LED flashing
green?
Replace the top
enclosure (includes
the speakers)
(page 31)
Does the LED turn
solid green and the
lamp light?
No, the LED
Is flashing red.
Confirm that the speaker
cables are connected to
the keypad ECA on the
inside of the top
enclosure (page 31)
Check the LED status
No. The lamp did
not light and/or the
LED is flashing red
Yes
No
No
Go to Error Codes
on page 7.
Go to Error Codes
on page 7.
Yes
Replace I/O ECA.
(page 48)
Run the projector long enough to
ensure that the problem is solved.
If the lamp goes out and the LED turns
red, go to Error Codes.
Measure the resistance across
the speaker terminal.
Solve the
problem?
No
Yes
Does the
startup tone
sound?
Measure 16Ω?