SECTION V
MAINTENANCE
5.1
GE
NERAL
This
Amplifier
is
all solid state,
ruggedly
constructed
and
uses
the
finest
components.
As such, it
will
provide
years of
trouble
free
use
with
normal care.
All
parts
are
conservatively
rated for
their
application.
NO
SPECIAL
PREVENTIVE
MAINTENANCE
IS
REQUIRED.
THERE
ARE
NO
USER
SERVICEABLE
PARTS
INSIDE.
The
metal
and
plastic surfaces
of
the
Amplifier may
be
cleaned
with
a
damp cloth.
In case
of
heavy
dirt, a
non-abrasive
household
cleaner such as
Formula
409 or
Fantastik®
may
be
used.
DO
NOT
SPRAY
THE
CLEANER
DIRECTLY ONTO
THE
FRONT OF
THE
UNIT
AS
IT
MAY
DESTROY
THE
LUBRICANTS
USED IN
THE
SWITCHES
AND
CONTROLS! Spray
onto
a
cloth
and
then use the
cloth
to
clean
the unit.
5.2 REPAIRS _AND JWARRANXY
This
JBL/UREI Audio
Amplifier is
warranted by
the
manufacturer to
the
original purchaser
against defects
in
material and
workmanship
for
a
period of three years
from the date
of
purchase. Complete
terms
of the
Limited
Warranty are stated
on the
Warranty Card
packed
with
this
manual. We suggest
that you
retain a
copy
of your dated
sales receipt
for proof
of
warranty
status
should
that
be
necessary.
If
you
wish
to
return the unit
for service,
please call
or write
to
the
Customer
Service
Department
at
the
Service address listed
on the title page
of this
manual
for
a
Return Authorization
Number.
All
products _returned
tolhe factory mustJ?e
_accQjmpanied
bv a
Return
Authorization Number, and
must be
shipped
prepaid. COD
shipments will not be accepted.
For
prompt service,
ship the unit
to
the
factory
with
the
RA number
marked on the
shipping
label.
Use
the
original factory
carton; if necessary
call or write the
factory
at
the service address
listed
on the
title
page
of
this manual to secure a
new carton at a
nominal charge. The
Amplifier
is
heavy, and
shipping
to
the
factory is
at
the
customer's risk; do
not take
a
chance
with inadequate
packing
materials. Be sure that
it is
well
packed
in
a
sturdy carton,
with shock
absorbing
material such as
styrofoam
pellets or "bubble-pack”
surrounding
the unit. Pay
particular
attention to
protecting the
controls
and switches and
make sure that
the unit cannot
drift around
in the
shipping
box.
Shipping damage caused by inadequatepackingis not-covered byllie
JBL/UREI warranty.
Tape a
note
to
the
top
of
the
unit
describing the
problem, include your
name
and
a
phone number
where we
may contact
you
if
necessary,
and give
us
instructions for
returning the product.
We
will
pay
return
shipping
costs
on
any repair covered
under the
terms
of this
warranty.
Field repairs are
not normally
authorized during the
warranty period, and
repair attempts by
unqualified personnel
may
invalidate the warranty.
Customers outside
the USA
should contact their local
JBL/UREI Professional Products
dealer
for
warranty assistance. Do
not return products to
the
factory unless you
have
been
given specific
instructions to do so.
WARNING: The full AC
line voltage, as
well
as
high voltage/high
current
DC are
present
at
several points inside
the chassis. Refer
servicing to
qualified technical
personnel.
V-1
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