Wyred 4 Sound DSDse User Manual
Page 15
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WYRED 4 SOUND DAC-v1.4
4235 Traffic Way
Atascadero, CA 93422
PH: 805-466-9973
FAX: 805-462-8962
©2014 WYRED 4 SOUND LLC
All rights reserved
pg. 13
If the noise is easily heard at a distance, try putting your source on mute, or pause. If this eliminates the
noise, it’s inherent in the source. If the noise is still there when the preamplifier is muted, try disconnecting
the inputs to the amplifier. If the noise is still there when the inputs are disconnected, and the inputs are
shorted with shorting plugs, then your amplifier may need some servicing. If the noise is not there when the
inputs are disconnected, try putting a cheater plug (ground isolator) on one or all components in order to
eliminate a ground loop issue. NOTE: We only recommend using a ground isolator for trouble shooting
purposes, and should be removed after the problem has been found. Having the ground of any unit
disconnected can potentially create a dangerous situation.
An easy way to locate a noisy component is to replicate the problem then start disconnecting
components one at a time, starting with a source. Digital cable boxes and satellite receivers are notorious for
making ground loop hum. This is normally caused by the potential difference on the input wire (shield side)
for either of the boxes when referenced to ground. If this is the case in your system, the installation of an
isolating transformer would be the easiest solution and are normally readily available at your local electronics
parts store. A better solution is a power strip with grounded and surge protected F-connectors that you can
pass a signal through. Where possible, use the Toslink inputs. Because of the optical transmission, there isn’t
any audio connection path to ground between components, and the possibility of a ground loop should
disappear.
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Wyred 4 Sound’s warranty obligations are limited to the terms set forth below:
Wyred 4 Sound, as defined below, warrants this Wyred 4 Sound-branded hardware product against
defects in materials and workmanship under normal use for a period of FIVE (5) YEARS from the date of
retail purchase by the original end user purchaser ("Warranty Period"). If the product has been transferred
from the original owner to a second hand owner it has a ONE (1) YEAR warranty, valid from the original date
of purchase by the original owner. The remote control is covered for warranty replacement in the first year.
If a hardware defect arises and a valid claim is received within the Warranty Period, at its option, Wyred 4 Sound will either (1) repair
the hardware defect at no charge, using new or refurbished replacement parts, or (2) exchange the product with a product that is
new or which has been manufactured from new or serviceable used parts and is at least functionally equivalent to the original
product. Wyred 4 Sound may option that you replace defective parts with new or refurbished user-installable parts that Wyred 4
Sound provides in fulfillment of its warranty obligation. A replacement product or part, including a user-installable part that has
been installed in accordance with instructions provided by Wyred 4 Sound, assumes the remaining warranty of the original product
or ninety (90) days from the date of replacement or repair, whichever provides longer coverage for you. When a product or part is
exchanged, any replacement item becomes your property and the replaced item becomes Wyred 4 Sound's property. Parts provided
by Wyred 4 Sound in fulfillment of its warranty obligation must be used in products for which warranty service is claimed. When a
refund is given, the product for which the refund is provided must be returned to Wyred 4 Sound and becomes Wyred 4 Sound's
property.