It
is
recommended
706
be
performed
technicians
for
the
this
device.
and
prompt
INTRODUCTION
that
all
at
the
factory
the
appropriate
and
efficient
servicing
where
equipment
repair
and
of
the
Sonicator
experienced
are
available
recalibration
of
Should
factory
guidance
component
parts
at
the
the
entire
This
maintenance
sufficient
to
function
and
the
devices
it
not
for
repair,
to
locate
level.
list
at
the
factory
unit
service
guidance
to
insure
in
performance
listed
Regulations).
The
preventive
procedures
qualified
electronic
This
thoroughly
If
there
in
the
Department
factory
in
as
much
provided
service
measurement
manual
before
is
any
accomplishment
at
with
an
detail
be
possible
this
manual
potential
Major
end
as a secondary
to
the
manual
accordance
components,
of
this
factory.
is
to
that
the
manual,
designed
qualified
Sonicator
with
standards
in
21
CFR
1050.10
and
corrective
herein
personnel
only
equipment.
should
be
read
attempting
doubt
as
to
of
repairs,
the
factory,
explanatory
as
possible.
the
or
to
return
offers
problems
should
alternative
to
service
applicable
for
ultrasound
(Code
maintenance
should
be
using
and
understood
any
servicing
correct
contact
return
note
describing
the
device
the
necessary
to
the
major
as
listed
to
in
be
repaired
returning
provide
technicians
706
continues
specifications
therapy
of
Federal
performed
the
recommended
procedures.
course
the
the
unit
the
of
Service
to
problem
to
the
the
by
action
the
.
Servicing
qualified
.
This
attempting
.
Use
other
hazardous
.
Line
of
service
manual
of
controls,
than
supply
any service
those
exposure
when connected
power
.
Measure
connection
the
ground
.
Do
than a few
source
ring
not
the
jack
around
pin.
operate
seconds.
automatically
unloaded.
the
Sonicator
technicians
should
be
adjustments,
specified
voltages
to
the
during
ground
and
the
piezoelectric
Results
the
should
unit
The
terminate
PRECAUTIONS
ME
706
only.
read
and
understood
procedures.
or
performance
in
this
manual
to
ultrasonic
are
present
AC
disassembly.
resistance
the
line
with
Sonicator
ultrasonic
inside
outlet.
between
cord
disc
be
one
the
applicator
should
energy.
be
may
the
ME
Disconnect
the
plug
ground
and
the
ohm
or
less.
in
ME
706
is
power
when
performed
thoroughly
of
procedures
result
in
706
enclosure
the unit
auxiliary
pin
and
line
cord
free
air
for
designed
the
applicator
by
before
from
the
between
plug
more
to
is
.
Multimeter
.
Calibrated
.
Hipot
.
Leakage
.
Degassed
.
Dual
the
tested
requirement
tester.
channel
To
assure
Sonicator
annually.
TEST
with
AC/DC
ultrasound
current
water
tester.
(for
35MHz
MAINTENANCE
continued
ME
It
be
performed
EQUIPMENT
volts
power
the
power
oscilloscope.
compliance
706
should
is
recommended
at
REQUIRED
and
ohms
scales.
meter.
meter).
SCHEDULE
with
21
CFR
be
factory-calibrated
that
this
the
factory.
1050.10,
annual
FDA,
and
safety
maintenance
GENERAL:
The
Sonicator
ultrasound
four
printed
panel
control,
subassemblies.
the
end
therapy
circuit
membrane
and
inter/connections.
of
this
EQUIPMENT
ME
706
device
boards,
switch
Refer
manual.
to
DESCRIPTION
is a single
with a built-in
power
assembly,
the
appropriate
unit,
transformer
main
This
section
molded
plastic
applicator.
assembly,
power
drawings
switch,
briefly
describes
in
enclosed
It
consists
control
intensity
the
appendix
of
these
at
MAJOR
SUBASSEMBLIES:
P/S - R/F
circuits,
regulator,
timer
RFI
A/D
pulse
5-volt
Timer
logic,
meter
(CW
Buzzer Board - small
Control
clock
filters.
Control
oscillator,
regulated
Display
timer
selection
or
two
PULSE),
Applicator - an
piezoelectric
cable,
to
strain-relief
the
RF
generator
Board - contains
regulated
overload
reference,
Board - contains
power
power
12-volt
sensor,
AC
indicator
supply.
Board - contains
logic,
output
timer
indicators
power
pcb
containing
integrated
ceramic
disc
and
connector.
at
the
unit
display,
(W
on reset
in a molded
P/S - R/F
enclosure.
the
power
power
RF
power
input
the
the
or
consisting
supplies,
level
line
fuses,
analog-to-digital
scaling
timer
power
W/cm?),
indicator
and
overload
buzzer
of a glass-coated
plastic
It
is
connected
board
supply,
switching
sensor
and
input
converter,
adjustment,
keyboard
mode
signal
entry
display,
indicators
controller.
control
handle
directly
within
the
RF
circuit,
line
and
a
circuit.
with
OTHER
The
and
generator
COMPONENTS:
membrane
power
front
SUBASSEMBLY
All
subassemblies
connectors.
plugs
interlock
without
keys
switch,
transformer
housing.
CONNECTIONS:
are
interconnected
The
connectors
excessive
are
provided
intensity
are
all
mounted
control,
cannot
force,
or
where
on
with
be
connected
obvious
necessary.
power
and
cable
error.
switch
under
the
assemblies
to
the
wrong
Connector
and