Audio Problems - InFocus X1 Service Manual

Audio Problems

No audio or sound is scratchy or distorted.
X1 Service Guide
Is there sound? No
Yes
No,
Is there sound
only
from both speakers?
one
Yes
Problem solved.
Make sure the speaker cable is
connected to the controller ECA.
Replace the controller ECA.
(page 19)
Replace the top case. (page 52)
But note:
A shorted speaker can damage the stereo
audio amp on the controller ECA.
Run the projector with audio for 30 minutes.
If the problem returns, replace both the
controller ECA and the top case if the
resistance across either speaker coil no
longer measures approximately 16 ohms.
73