Yamaha SPX50D - Page 2

SPX50D
SPX50D
r
IMPORTANT
NOTICE
This manual has
been provided for the use
of authorized Yamaha Retailers and their
service personnel. It
has been assumed that basic service
procedures inherent to the
industry, and more specifically
Yamaha
Products, are already known and understood by the
users, and have therefore
not been restated.
WARNING:
Failure
to
follow appropriate
service and safety procedures
when
servicing this
product
may result in personal injury,
destruction of expensive components
and failure of the
product to
perform
as
specified.
For these reasons, we advise all
Yamaha product owners
that all
service required should be
performed
by an
authorized Yamaha Retailer or the
appointed service representative.
IMPORTANT:
The presentation or sale of this
manual
to
any individual
or firm does not
constitute
authorization,
certification, recognition of any
applicable
technical capabilities, or
establish a
principle-agent relationship
of
any form.
The data provided is
believed
to
be accurate and applicable
to
the unit(s) indicated on
the cover. The
research, engineering, and service
departments of Yamaha are continually striving
to
improve Yamaha
products.
Modifications are, therefore, inevitable and changes in specification
are subject
to
change
without
notice or obligation to retrofit. Should
any
discrepancy
appear to exist, please
contact the distributor’s
Service Division.
WARNING:
Static discharges can destroy
expensive components. Discharge any static electricity
your
body may
have accumulated by
grounding yourself
to
the ground buss in the unit
(heavy
gauge black wires
connect
to
this buss).
IMPORTANT: Turn the unit OFF
during
disassembly and parts replacement. Recheck
^
work before
you apply
power
to
the
unit.
This product uses
a
lithium battery for
memory back-up.
WARNING: Lithium batteries are dangerous
because they can be exploded
by improper handling.
Observe the following
precautions when handling or replacing lithium
batteries.
•
Leave lithium battery replacement
to
qualified
service personnel.
•
Always replace with batteries of the same
type.
•
When installing on the PC
board, solder
using
the
connection terminals provided
on the battery cells.
Never
solder directly
to
the cells. Perform
the soldering as
quickly as possible.
•
Never reverse
the battery polarities when
installing.
•
Do
not short the batteries.
•
Do not attempt to recharge these batteries.
•
Do not disassemble the
batteries.
•
Never heat batteries
or throw them
into
fire.
V
ADVARSEL!
Lithiumbatteri.
Eksplosionsfare.
Udskiftning mi
kun foretages af en
sagkyndig, og som beskrevet
i
servicemanuaien.