Next LA122/LA122W User’s Manual
www.next-proaudio.com
- 12 -
V052013
TROUBLESHOOTING
Simple troubleshooting does not require sophisticated measurement equipment
and can be easily undertaken by users. The technique should be to segment the system in
order to identify the faulty system component: signal source, controller, amplifier,
loudspeaker or cable? Most installations are multi-channel. It is often the case that one
channel works and others do not. Trying different combinations of system elements can
usually help to isolate and locate the fault.
Some cabinet faults can be quite easily identified and corrected by the user. A
simple sweep with a sine wave generator can be very helpful though it MUST be made at a
fairly low level to prevent damage to the speakers. A sine wave sweep can help find:
Vibrations due to loose screws.
Air-leak noises: check that no screws are missing, particularly where the accessories
attach to the cabinet.
Vibrations due to a front grille badly positioned on the quick release fixings.
Foreign object that has fallen into the cabinet after repair or through the ports.
Internal connection wires or absorbing material touching the loudspeaker diaphragm:
check by removing the bass loudspeaker.
Loudspeaker not connected or phase reversed following a previous inspection, test or
repair.
WARRANTY
NEXT products are warranted, by NEXT-Proaudio, against
manufacturing defects
in
materials or craftsmanship over a period of 2 years from the date of original purchase.
During the warranty period NEXT-Proaudio will, at its own discretion, either repair or replace
products which prove to be defective provided that the product is returned in its original
packaging, shipping prepaid, to an authorized NEXT-Proaudio service agent or distributor.
NEXT-Proaudio cannot be held responsible for defects caused by unauthorized modifications,
improper use, negligence, exposure to inclement weather conditions, act of God or accident,
or any use of this product that is not in accordance with the instructions provided by NEXT-
Proaudio. NEXT-Proaudio is not liable for consequential damages.
This warranty is exclusive and no other warranty is expressed or implied. This warranty does
not affect your statutory rights.
