ATON A275 - Manual (Page 20)

A T O N
© ATON 2010 • All rights reserved. Page 13
A275
INSTALLATION MANUAL
Chapter 5: Troubleshooting
Symptom Possible Cause Solution
No Audio From One or
More Channels
1. Loose/bad speaker cable connection
2. Break/short in speaker cable
3. Speaker is defective
4. RCA patch cable defective
5. Source not sending audio
1. Check cable ends at binding posts and
speaker terminals.
2. Check continuity of each speaker cable
using multimeter. If short or open is indi-
cated, check wiring for proper connections.
3. Swap with known good speaker.
4. Swap with known good patch cable.
5. Verify source is powered up and playing.
Check any tape monitor settings on A/V
Receiver.
No Audio From One Channel Amplifier is overheating due to
inadequate ventalation or prolonged opera-
tion at clipping levels.
1. (a) Turn the amplifier off and allow the
internal circuits to cool.
(b) Ensure that the amplifier has proper
ventilation. Add cooling fan if necessary.
(c) Lower the gain level controls for that
channel pair.
No Audio From One Channel Unit may require service. Contact ATON Technical Support.
Very Low or No Sound on Some or All
Channels
Audio input cable is bad. Check source equipment cables for damage
and faulty connections and correct.
Audio “Hum” 1. Ground potential difference between
source components (ground loop)
2. Faulty/damaged cables
3. Faulty wiring
1. (a) Test AC outlet using ground tester.
(b) Reverse the AC plug of components
with non-polarized ends plugged into the
same outlet strip as amp.
2. Check source equipment cables for dam-
age and faulty connections.
3. (a) Make sure volume controls are not
hooked up backwards.
(b) Check for shorts in wiring (see item
2 in “No audio…”).