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MULTITASKER
400-0197-006
24
TROUBLESHOOTING GUIDE 8
We have carefully tested and have found no
problems in the supplied MT110-103; however, we
would like to offer suggestions for the following:
8.1 LED IS NOT LIT
Cause 1: Card cage is not plugged in.
Solution: Plug card cage in. If the LED lights,
the problem is solved. If the LED is
still not on, see Cause 2.
Cause 2: Card is not plugged in all the way.
Solution: Push the card in all the way. If the
LED is still not on, see Cause 3.
Cause 3: Card cage slot has a problem.
Solution 1: Test the card in other slots of the
card cage. If the slot was damaged,
the card may work in other slots. If
other slots work and the LED lights,
the problem is the card cage slot.
The card cage may require service.
Call ALTINEX at (714) 990-2300. If
the other slots do not work and the
LED is still not lit, see Solution 2.
Solution 2: Take any other known good card
with an LED and verify that the slot
used is good by seeing if the other
card’s LED lights in that slot. If it
lights, then the original card may be
the source of the problem. Call
ALTINEX at (714) 990-2300.
8.2. NO SOUND
Cause 1: The source has a problem.
Solution: Check the source and make sure
that it is working at an appropriate
volume level and all source
connections are correct. If the
source is working and there is still
no sound, see Cause 2.
Cause 2: The proper input card may not be
selected.
Solution: Select the card input that is used, by
RS-232 accessible commands in
section 7. If no sound is present, see
Cause 3.
Cause 3: Cable connections to the
destination are incorrect.
Solution: Make sure that cables are
connected properly. Also, make sure
that the continuity and wiring are
good. If there is still no sound
present, see Cause 4.
Cause 4: The destination amplifier has a
problem.
Solution 1: Make sure that the destination
amplifier is powered. If there is still
no sound, see Solution 2
Solution 2: Set the volume of the destination
amplifier to a reasonable level. If
there is still no sound, call ALTINEX
at (714) 990-2300.
8.3. DISTORTED SOUND
Cause 1: The source level is above 1Vp-p
Solution: Make sure that the source level is
below 1V p-p. If the sound is still
distorted, see Cause 2.
Cause 2: The destination amplifier provides
excessive amplification.
Solution 1: Make sure that the source signal
level is high enough so that the
destination amplifier does not have
to provide excessive amplification
and thereby distort the signal. If
there is still sound distortion, see
Solution 2.
Solution 2: Call ALTINEX at (714) 990-2300.