Troubleshooting - ATON HDR44 Manual Del Usuario

5. Troubleshooting

Table 5-1 provides troubleshooting information for the HDR44.
Symptom
No audio present in a
specifi c room
No video present in a
specifi c room
Hum or buzz through
system speakers
Poor audio quality
No video or poor video
quality
No source control from
IR Remote controller
26
HDR44 4x4 High Defi nition Video Router
Possible Cause
1. Source not playing.
2. Room not selected
3. Room Output volume
turned all the way down
4. Speakers in room
miswired or defective
1. Source not playing
2. Room not selected
3. Cabling problem
1. Ground loop
2. Amplifi er level too
high
1. Clipping or distortion
2. Speakers out of phase Carefully check polarity
3. Incorrect assignment
of left/right source RCA
cables or speaker cables
No video signal, washed
out or fuzzy video signal
1. Wiring: IR signal not
reaching to controller or
source
2. Remote: Batteries
Low
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Solution
Press Play, turn ON, etc.
Select Room on Touch-
pad or from IR Remote
Increase volume on
video display or AV
Receiver
a. Test known good
speaker at amplifi er
location
b. Verify connections
Press Play, turn ON, etc.
Select Room from IR
Remote
Use cable tester to verify
wallplate cabling conti-
nuity and test for shorts
Ensure proper ground-
ing using a three prong
grounded AC outlet
Reduce amplifi er level
Reduce AV Receiver/Am-
plfi er level
of each speaker
Isolate to source or room
and correct
Wallplate DIP switches
confi gured incorrectly
Verify wiring and correct
Change batteries