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Valleylab
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SSE2L
User manual
67 pgs10.72 Mb0
Service manual
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Service manual
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Valleylab SSE2L User manual

Manual
SSE2L.
Service
Manual
Valleylab 5920 Boulder,
For
Copyright
All permission
Inc
Colorado
information
reserved.
rights
Drive,
call:
Valleylab
©
of
Valleylab
P.O.
Box
9015
80301
USA
1-800-255-8522
1991
Inc,
Contents
of
Inc.
/
publication
this
1-303-530-2300
not
may
TWX
/
reproduced
be
910-940-2514
any
in
form
without
the
written
FOREWORD
The
following
equipment
service
described
instructions
in
this
are
manual.
for
use
only
by
personnel
qualified
to
repair
and
service
the
Caution:
REM™
Federal
is a trademark
PolyHesive®
Effective
Date:
Valleylab
Equipment
LIMITED
service
option, after
delivery
defective.
factory
accident.
The

warranty

WARRANTY
Inc
warrants
for
the
period(s)
of
any
product,
of
This
in a way
periods
(USA)
and
IsoBloc®
November
Part
No.:
covered
each
set
or
part
the
product
warranty
so
does
as,
in
Valleylab's
for
Valleylab’s
law
restricts
of
Valleylab
are
945
in
this
product
forth
below.
thereof,
to
the
original
not
apply
this
Inc.
registered
1991
100
151
manual:
manufactured
Valleylab’s
which
purchaser,
to
judgment,
products
has
been
any
product,
to
affect
are
as
by
device
to
sale
trademarks
by
of
Valleylab
SSE2L-20 Electrosurgical 110
VAC
Nominal
it
to
be
free
from
defects
obligation
and
follows:
under
returned
to
which
examination
or
part
thereof,
its
stability
this
it
or
its
which
or
reliability,
or
on
the
Inc.
Generator
in
material
warranty
Distributor
is
limited
within
discloses,
has
been
or
which
order
of
and
to
the
to
Valleylab's
repaired
has
been
a
physician.
workmanship
the
repair
or
applicable
time
satisfaction,
or
altered
subjected
under
normal
use and
replacement,
period
outside
to
misuse,
at
its
shown
below
that
the
product
Valleylab's
neglect
sole
is
or
ELECTROSURGICAL MOUNTING
FIXTURES FOOTSWITCHES PATIENT STERILE
THIS THE OBLIGATIONS OTHER VALLEYLAB'S COMMUNICATION, SHALL THERE
This
USA.
Boulder,
Valleylab
without
RETURN DISPOSABLES
WARRANTY
WARRANTIES
PERSON
BE
LIMITED
ARE
NO
warranty
The
sole
State
Inc,
and
its
incurring
GENERATORS
(ALL
(ALL
MODELS)
ELECTRODES
IS IN
LIEU
OF
MERCHANTABILITY
OR
LIABILITIES
TO
ASSUME
VALLEYLAB'S TO
THE
WARRANTIES
OR
DAMAGES.
the
rights
forum
for
of
Colorado,
dealers
and
any
obligation
MODELS)
OF
ALL
OTHER
ON
THE
FOR
IT
NOTWITHSTANDING
WHICH
IN
CONNECTION
and
obligations
resolving
disputes
USA.
representatives,
to
make
AND
PART
ANY
OTHER
WITH
PURCHASE
EXTEND
hereunder
arising
reserve
the
same
WARRANTIES,
FITNESS
OF
VALLEYLAB.
ANY
RESPECT
BEYOND
WITH THE
shall
under
the
or
similar
One
Year
from
One
Year
from date
One
Year
from
Shelf
life
only,
Sterility
only,
FOR A PARTICULAR
IN
CONNECTION
OTHER
TO
THIS
PRICE
FOR
THE
THE
TERMS
SALE
OF
be
construed
or
relating
in
any
right
to
make
changes
on
date
of
invoice.
of
invoice.
date
of
invoice.
as
stated
on
as
stated
on
OR
IMPLIED,
PURPOSE,
NEITHER
WITH
HEREIN
GOODS
HEREOF.
THIS
under and
way
changes
equipment
SOLD
PRODUCT,
governed
to
this
in
equipment previously
packaging.
packaging.
INCLUDING,
AND
ASSUMES
THE
SALE
OR
IN
ANY
OTHER
AND
PRODUCTS
BY
warranty
FOR
INDIRECT
by
the
is
the
built
and/or
built
and/or
District
OF
NOR
OR
laws
WITHOUT
ALL
OTHER
AUTHORIZES
USE
OF
DOCUMENT
SOLD
TO
OR
of
the
Court
sold
by
sold
by
LIMITATION,
ANY
OF
State
of
Colorado,
for
the
them
at
any
them.
ANY
OR
County
of
time
+3
Table
of
Contents
SECTION 1 — INSTALLATION
есь
онл
пе
lara
aretaya
yara
1
POWER! PROPER POWER ROUTINE
FOR
GROUNDING:. : Kamus
PLUG
MAINTENANCE
CLEANING
SECTION 2 —
DESCRIPTION INDICATORS
SECTION 3 — TECHNICAL
MONOPOLAR BIPOLAR OUTPUT OUTPUT ο
με
INPUT
OUTPUT POWER CONTROL INTERACTION ο
POWER
UNEREGULARON
REM
CONTACT
AUDIO
VOLUME COOLING Ig
THE
SSE2b
ssc
sce
AND
INSTRUCTIONS
OF
CONTROLS,
AND
RECEPTACLES
......................
SPECIFICATIONS
o
OUTPUT
A
CHARACTERISTICS
CHARACTERISTICS
…..................
parc
ου
SOURCE
........................
cai
QUALITY
525
nombreuse
MONITOR
οντως
κανω
tie
cee
ie
e
sa
A
INSPECTIONS
ο.
......
..........
..............
........
............
ses
¡ciao o ne
enanas
eee
i
iran
..............
«τά
če
eee
es
-
RE
res
Kas
AA
1 1 1 1 1
3
7
7 7 7 7 8 8 8 8 8 9 9 9 9
SECTION 4 一
CIRCUIT
POWER RF
GATING
DRIVER POWER
OUTPUT KEYING ISOBLOC LAMP
DESCRIPTIONS
SUPPUV
OSCILLATOR
AND CIRCUIT
AMPLIFIER
LOGIC
ENABLE
Sironi
SHAPING
CIRCUITRY
ee
Ce
...............
13 13 14
Y
SECTION 4 — CIRCUIT
DESCRIPTIONS
.
AUDIO LEAKAGE REM
SECTION 5 一 TESTING
OPERATIONAL
ACCEPTANCE
CANCELING
AND
PROCEDURES... OUTPUT
POWER MONOPOLAR BIPOLAR REM
TEST
CONTACT RELEAKAGE LINE
REGULATION
POWER
SAG COOLINGFAN LINE
FREQUENCY
PREVENTIVE
CIRCUITS . .
CALIBRATION
TESTING - GENERATOR
TEST
AND
CALIBRATION
Lure
LEVELS
HANDSWITCH
......
TEST
-lo
QUALITY
TESI
MONITOR
kasi
nere
TEST
TEST
TEST!
MAINTENANCE
~...
~
LEAKAGE
CURRENT
....................
PROCEDURES
messe
a
leje
OUTPUT
eee
ant
..............
tiri
ii
TEST
.
17
..
0
- „21
の
A
21 22 22 23 23
ld
23
......
15
17
18 19
23 24
SECTION 6 — TROUBLESHOOTING
SECTION 7 — ASSEMBLIES
AND
SECTION 8 — PARTS
LIST
MASTER LOGIC
MULTIVIBRATOR LIMIT OUTPUT ISOBLOC
REM FUSE
FRONT
COQUERASSY:
BOARD
BOARD
RESISTOR
BOARD
BOARD
BOARD
BOARD
ASSY
PANEL
ASSEMBLY
.......
SCHEMATICS
.
ve sne e ver
BOARD
BOARD
.
....
...
dia
ciali
lajes
...........
esen
meer
eee
二 2 人
25
35
57
List
of
Figures
1948.
Figure 3 —
Figure
Figure Figure Figure Figure Figure Figure Figure Figure
1~
2:-/REARMIEW:
4—
5-SSE2L 6-SSE2L 7- 8-
9—LOGICBOARD(A2) 10 — LOGIC 11 — MULTIVIBRATOR 12 - MULTIVIBRATOR
FRONT
VIEW.
OUTPUT
OUTPUT
si
2:
μονο
WAVEFORMS BLOCK
DIAGRAM MASTER BOARD MASTER
BOARD
BOARD
SCHEMATIC(A2)............
seen
POWER
POWER
rese
e
VS
VS
some,
LOAD-
ο
LOAD-
σος
renze
ee
.....................
.................
(A1)
....................
SCHEMATIC
(A1)
.........
......................
BOARD BOARD
(A3)
.............
SCHEMATIC
(A3)
.. Figure Figure Figure Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
13 — LIMIT 14 — LIMIT 15 — OUTPUT 16-
17 — ISOBLOC
18 - ISOBLOC
19 - FUSE
20 — FUSE
21-
22 - REM
23 - COOLER
24 — FRONT
Figure
25 — CHASSIS
RESISTOR RESISTOR
OUTPUT
BOARD
BOARD
REM
BOARD
BOARD
PANEL
BOARD
BOARD BOARD BOARD
BOARD
BOARD
ASSEMBLY
ASSEMBLY
(AS)
SCHEMATIC
(A6)
SCHEMATIC
(A7)
.......................
SCHEMATIC
(A8)
........................
SCHEMATIC
ASSEMBLY
(A4)
.............
SCHEMATIC
(A4)
..
....................
(AS)
.........
(A6)
..
(A7)
............
(A8)
......--.----
(A7)
.................
(A9)
............
(A9)
.................
Figure
26 - SSE2L
MASTER
ül
SCHEMATIC
.........-----
Service
Centers
Valleylab
Boulder,
800-255-8522
Valleylab
Prospect,
61-2-688-4888
Valleylab Nieuwegein,
31-3402-32456
Valleylab
c/o Lyon,
33-78-096262
Valleylab
Wichmannstrasse
Postfach D-2000
GERMANY 0049-4089-6884
Inc
Colorado,
Australia
AUSTRALIA
France
CLIMO
FRANCE
520452
USA
4
52
Valleylab London, 44-81-961-9955
Valleylab
London,
44-81-961-9955
UK
UNITED
UNITED
Middle
KINGDOM
East
and
Africa

INTRODUCTION

This
Generator.
Testing
beyond
the
generator.
of
the
Manual
Also
the
scope
generator.
covers
included
of
this
the
installation
are
sections
Instructions
manual.
The
covering
for
reader
and
basic service
the
use and
is
directed
Technical
cautions
and
to
instructions
Specifications,
warnings
the
SSE2L
Instruction
for
the
SSE2L
Circuit
concerning
Descriptions
electrosurgery
Manual
Electrosurgical
and
the
are
supplied
with
Valleylab,
sold
equipment
by
its
them
previously
CAUTIONS
WARNING:
WARNING:
WARNING: the
wall
WARNING:
WARNING:
generator
generator.
is
at
Risk
Electric
Electric
Electric
Electric
disassembled
any
AND
of
and
time
without
built
WARNINGS
fire.
Shock
Shock
Shock
Shock
representatives
incurring
and/or
Hazard:
and
energized.
sold
fuse
any
by
them.
as
Always
Do
NOT
Disconnect
Do
NOT
the
obligation
unplug
Never
the
connect a wet
the
touch
wear a grounding
right
to
generator
power
any
to
make
make
power
before
the
same
before
cord
replacing
wiring
strap
in
equipment
or
similar
cleaning.
assembly
parts.
or
conductive
when
changes
to
the
on an
built
and/or
on
generator
or
while energized
to
the
CAUTION: work
at a static
components.
transport
of
This
generator
Handle
electrostatic
contains
workstation.
the
sensitive
electrostatic Wear a grounding
boards
by
their
components
sensitive
nonconductive
and
circuit
components.
strap
boards.
when
edges.
When
handling
Use
repairing electrostatic an
antistatic
the sensitive
container
generator,
for
SECTION
1
—
INSTALLATION
POWER
90 — 135
The
PROPER
To
ensure
The
will
extension
Undesirable It
is
power
POWER
The
requirements
three-prong personnel.
FOR
Vac,
SSE2L
is
designed
GROUNDING
ground
flow
wire
from
the
cords
50/60
the
responsibility
to
the
SSE2L.
PLUG
SSE2L
is
for
to
Cords
THE
SSE2L
50/60
Hz
safety
in
the
power
cabinet
three-prong
or
Hz
of
with
safe
grounding.
two-prong
should
to
operate
the
the
of
the
user
an
over
electrosurgical
cable
is
generator
two-prong
to
currents
to
ensure
approved
lts
adapters.
always
be
a
wide
generator
connected
the
in
are
also
proper
hospital
purpose
The
connector
by
range
of
input
must
to
the
chassis
an
of
event
electrical
should
adapters.
affected
grounding
grade
three-prong
not
should
the
plug.
by
be
voltages
be
properly
and
internal
the
polarization
and
polarity
defeated
be
periodically
DO
NOT
within
specified
grounded.
assures
electrical
connector.
by
PULL
that
failure.
of
of
the
using
inspected
ON
THE
output
no
dangerous
Do
the
50/60
Hz
power
This
connector
extension
by
qualified
CORD
cords
regulation.
currents
use
not
input
supplying
meets
or
power.
all
ROUTINE
We
recommend Manual SSE2L obtained
describes
can
from
CLEANING
Clean
the
generator
caustic,
corrosive,
MAINTENANCE
that
the
the
recommended
be
returned
Valleylab.
INSTRUCTIONS
SSE2L cover,
using
front
or
abrasive
SSE2L
to
Valleylab.
standard
panel
and
AND
INSPECTIONS
be
inspected
inspection,
Repair
hospital
cord.
cleaning
by
qualified
parts
procedures.
Do
not
allow
materials.
and
or
information
Use a mild
fluids
to
The
generator
personnel
calibration
enter
procedures.
needed
detergent the
generator.
cannot
twice a year.
to
repair
the
and
damp
Do
be
sterilized.
This
For
major
generator
cloth
to
not
use
may
clean
alcohol,
the
be
the
SSE2L
Service
Manual
1
SECTION
2
—
DESCRIPTION
OF
CONTROLS,
INDICATORS
AND
RECEPTACLES
SSE2L
Figure 2 —
Manual
Rear View

CONTROLS

COR
05,
<
410
ON
OFF
POWER
LEVEL
©
Power
the
switch
On
SSE2L
interrupts
overload.
ON
to
reset
Coag
Level
current
intensity.
(maximum
Cut
Level
intensity.
(maximum
Switch
on.
and
The
the
If
the
it.
Dial — The
The
output).
Dial — The
The
output).
switch
illuminates
current
dia!
selector
dial
rotates
selector
Breaker — Rock
when
flow
in
case
has
tripped,
dial
volt
clockwise
is
graduated
models
clockwise
dial
is
graduated
volt
models
the
of
internal
press
to
are
graduated
to
increase
are
graduated
the
switch
SSE2L
is
failure
the
switch
increase
from 0 (no
coagulation
from 1 to
Cut
from 0 (no
from 1 to
upward
on.
The
or
momentary
to
OFF
output)
10.
and
Blend
10.
to
turn
power
then
to
10
to
10
CUT
MODES
=
FOOTSWITCH
MONO
POLAR
POLAR
PURE
e
BLEND
Bl
—
Pure/Blend current, average
either
hemostasis
Footswitch
accessory the
footswitch
output
has
Selector — The
PURE
for
while
Selector — These
the
or
output
is
depressed.
been
selected.
two--position
hemostasis
cutting.
switches
accessory
Each
switch illuminates
switch
while
select
output
cutting,
be
will
to
SSE2L
the
type
or
BLEND
the
Monopolar
activated
indicate
Service
of
when
which
Manual
for

INDICATORS

Note:
The
CUT
the
respective

ALERTS

—
PATIENT
==
oeo
and
mode.
—
(の
COAG
indicator
They
will
Coag
Mode
selected
by
footswitch
mode
indicator
Cut
Mode blended) by sound
depressing
when
lamps
illuminate
not
illuminate
at
Indicator — This
depressing
COAG
tone
the
pedal,
will
sound
or
Indicator — This
is
selected
the
footswitch
the
Cut
mode
REM
Fault
Indicator — This
contact
REM
the
acceptance
quality
return
tone
this
alarm
system
ls
electrode
will
at
the
presence
the
indicator
illuminates
handswitching
by
when
indicator
by
CUT
is
activated.
monitoring
sound.
condition
senses
the
the
Coag
illuminates
depressing
pedal. A low
system
and
the
The
generator
indicator
sli
that
range.
of
power
setting.
pencil
COAG
mode
(yellow)
the
handswitching
frequency
senses
The
the
patient/pad
usable
(blue)
radio
when
switch. A high
is
activated.
when
mode
illuminates
that
is
not
will
not
alarm
when
contact
adeguate. produce
condition
frequency
coagulation
depressing
pencil
(pure
CUT
indicator
the
between
An
intermittent
output
is
resistance
output
in
the
frequency
or
tone
or
will
the
power
when
is
within
is

RECEPTACLES

—
co
oeo
MONOPOLAR-
9
SSE2L
Service
—
e
Manual
o
accepts
Return
the
procedures.
conventional
Monopolar accept forceps.
three-pin
Power
handswitch
Electrode
connector
The
receptacle
patient
Receptacle — This
of
the
return
electrode
(Handswitching)
handswitching
this
output
mechanism.
from
The
patient
will
return
accept
connectors.
Receptacle
active
receptacle
footswitch
electrode
both
REM
output
This
—
accessories
activated
is
inactive
is
receptacie
used
in
monopolar
(dual-section)
and
receptacle
two-pin
or
only
this
at
switching
using
by
receptacle.
will
the
5
Monopolar Accessory
receptacle manufacturers, that
footswitch
will
not
when
will
fit
accept
directly.
or
most
will
accept
connected
(Footswitching)
The
standard
1/4”
active
to
accessories
accessory
this
receptacle.
Receptacle — This
of
other
plugs
for
those
accessories
can
only
be
activated
output
by
a
REAR
BIPOLAR
PANEL
FOOTSWITCH
FUNCTIONS
——
footswitch—activated.
footswitching
Footswitch
two-treadle
Receptacle — This
accessories.
Receptacle — This
monopolar
output
accessories.
This
receptacle
receptacle
four-pin
footswitch
connector.
These
accessories
will
also
receptacle
will
accept
accept
three-pin
can
accepts
also
a
be
Audio mode adjusted adjustable.
Equipotential earth
Volume
indicator
with
this
ground
with
Control — The
tones
produced
control.
Lug — (220/240V
the
furnished
volume
The
of
the
when
the
generator
volume
equipotential
only)
of
the
This
lug
Cut,
Coag,
is
activated
audio
alarm
may
be
grounding
and
may
tone
is
connected
cable.
be
not
to
SSE2L
Manual
SECTION 3 —
TECHNICAL
In
this
Section,
OUTPUT
Cut
Blend
Coag
Bipolar
MONOPOLAR
Note:
Mode
"CS"
WAVEFORM
refers
SPECIFICATIONS
"typical"
500
500
Pulse repetition
500
OUTPUT
Maximum
(open
P-P
kHz + 10
kHz + 10
modulated
kHz + 10
to
circuit)
Voltage
refers
to a specification
kHz
kHz
20
kHz
kHzsinusoid,
CHARACTERISTICS
sinusoid
sinusoid
450
kHz
+ 2
kHz.
that
is
within
with
65%
120
with
increased amplitude
damped
unmodulated.
sinusoid.
(at
20%
of a stated
Hz
modulation.
Burst
Power
CS=10
Rated
Load)
(Watts)
bursts
duration
at
value.
20
kHz.
7.0
uSec,
Crest
@
nominal.
Factor
Rated
Load
(typical)
Burst
Pure
Cut
Blend
Coag
BIPOLAR
Mode
Pure
Cut
Blend
Coag
OUTPUT
Blend
Cut,
2800
2440
4070
OUTPUT
CHARACTERISTICS
Maximum
(open
circuit)
P-P
700
640
1100
POWER CONTROL
and
Coag
output
power
essentially
is
(at
with
linear
375
+25 250 + 25 125215
CS = 10
Rated
(Watts)
90
+15-20
85
+15
25+
5-10
control
Power
Load)
—20
rotation
from
15
CS=
24
CS=
6.4
CS=10
Crest
Factor
@
Rated
(typical)
1.8
CS=5
2.1
CS=5
5.1
CS=5
settings
Load
1
of
5
7
to
10.
SSE2L
Manual
OUTPUT
The
puts
and 3 watts
Monopolar
INTERACTION
power
available
for
the
Bipolar
outputs
and a 100
from
output.
ohm
any
nonactivated
Nonactivated
load
for
Bipolar
output
power
output.
must
must
not
exceed
be
measured
20
watts
into a 500
for
Monopolar
ohm
load
out-
for
OUTPUT
Line
frequency
(Ground
Line
frequency
RF
Line
ground
*
Line
frequency
Hz
INPUT
90 — 135
ISOLATION
source
intact,
normal
sink
leakage:
leakage
to
all
POWER
Vac,
50/60
Idle:
Cut:
Coag:
current
sink
current
front
SOURCE
Hz
and
reverse
—
Unit
—
Unit
panel
terminals
(Control
0.6
12.0
4.0
current:
polarity)
current*:
(50/60
Hz) off: < 10 on : <
30
is
that
current
in
<
<
<
JA
RMS
LA
RMS
which
parallel,
of
10,
and
output
0.2
150
150
flows
120k
short
uA
pA
mA
from
RMS
RMS
RMS
an
external
ohms
circuit)
in
series
voltage
with
120
source
VAC
of
120
VAC,
60
LINE
REGULATION
REM
Output
100
mode,
CONTACT
Waveform:
Measurement
Open
Circuit
Short
Thresholds:
Hysterisis
of
8
and
130
volts
input,
or + 12
watts
QUALITY
MONITOR
sinusoid
Frequency:
Voltage:
Current: 3 mA,
Single
REM
Low High
area
(dual-area)
thresholds
impedance: 3 ohms + 1
impedance:
140
1.25
V+
max
pad
mode:
mode:
(impedance
12
output
in
Coag.
kHz + 20
10%
(alarm
nominal
difference
ohms + 2
power
kHz
off) R =
range 5 —
ohm
ohms
into a nominal
5 + 2 ohms
135
alarm
load
ohms
and
will
vary
alarm
no
more
silence):
than + 20
SSE2L
watis
Service
Manual
in
Threshold olds
will
shift
shift:
With
by 5 ohms
the
generator
or
less.
activated
at
full
output, Cut
or
Coag,
into
load
or
open
circuit,
AUDIO
The
is
VOLUME
audio
not
adjustable
mode
COOLING
Single
speed
fan
WEIGHT
32.5
pounds
(14.7
SIZE
7.6Hx
Specifications
IMPORTANT:
11.6
Wx
are
application.
indicator and
is
set
switches
kilograms)
16.6 D inches
Per
C.S.A.
tones
are
adjustable
at a maximum
automatically.
(19.3 x 29.5 x 42.2
to
change
C22.2
#125,
the
to a maximum
level.
degree
directed
cm)
of
isolation
level
of
downward.
of
the
65
dba
SSE2L
at 1 meter.
is
suitable
The
for
alarm
Risk
tone
Class
2
SSE2L
Manual
OUTPUT POWER
(WATTS)
400
360
320
280
240
200
160
120
80
40
9
Ὁ
200 400 600 800
PURE
CUT
|
1000 1200 1400 1600 1800
CONTROL
SETTING
CONTROL
SETTING
2000
10
5
IMPEDANCE
270
240
210
180 150
120
90
60 30
o
O
200 400 600 800
|
IMPEDANCE
(OHMS)
1000 1200
(OHMS)
1400
1600
BLEND
1800
COAG
CONTROL SETTING
CONTROL
SETTING
2000
10
5
10
OUTPUT POWER (WATTS)
CONTROL SETTING
CONTROL
So
200
400
600 800
Output
1000 1200
IMPEDANCE
Figure 3 —
Power
vs
1400
1600
1800
(OHMS)
Load — Monopolar
SETTINGS
2000
SSE2L
10
Service
Manual
OUTPUT
100
90 80 70 60
50
30 20
10
0
PURE
CUT
0
200
400
600
800
1000 1200 1400
1600
1800
2000
10
5
OUTPUT
POWER
(WATTS)
100
90
80
70 60
50
40
30
20
10
0
30
0
200
비
400
IMPEDANCE
600 800
IMPEDANCE
(OHMS)
1000 1200 1400 1600
(OHMS)
BLEND
1800
COAG
2000
10
SSE2L
OUTPUT
POWER (WATTS)
Service
Manual
15
чо
5
6
O
A
200
i
400 600
SE
=
800
IMPEDANCE
Output
SESSI
1000
Figure
Power
1200 1400
(OHMS)
4—
vs
Load — Bipolar
1600
==]
1800
2000
CONTROL
SETTING
10
CONTROL
SETTING
5
11
SECTION 4 — CIRCUIT
The
SSE2L Section, Additionally lamp
POWER
This capable
this
Protected
RF
Transistors determined
lower
T1.
Cut
450
GATING
The
resistor
waveforms.
PURE/BLEND
be
intermediate reduced
the
amplitude
a
driver
SUPPLY
section
of
the
+20V
by
OSCILLATOR
frequency
the
enables
This
Blend
and
kHz.
10
+
signal
of
amplified
level
top
of
R21
DESCRIPTIONS
consists
power
there
circuit.
generates
1kW
and
S1,
Q1
by
AND
from
Q4
Inthe
by
of
pulses
of
amplifier
is
logic
(A2)
and
is
+15V
which
(A3)
and
Q2
C2,
C1,
and
the
the
mode
SHAPING
the
collector
(R21)
is
Pure
switch
the
Driver
CW
signal
to
be
periodically
to
the
a
power
and
circuitry
the
lightly
regulated
also
form
and
C3
place
generator
free-running
connected
Cut
and
K1
and
supply
three
output
to
decode
necessary
filtered
serves
a
by
outputs
as
type
of
associated
operating
the
develop
to
CIRCUITRY
of
Q2
is
to
the
mode,
the
to
the
pins 9 and
Output
contacts
pass
on
pulled
generated
section,
circuits.
activating
voltages
C4.
The
are
derived
on/off
the
emitter
frequency
coupled
resistors.
frequency
higher
(A3)
inverted
to
to
+20
top
10
of
Q6
the
of
and
CW
by
volt
R21
K1-S and
full
an
RF
oscillator,
only
inputs,
for
generator
unregulated
by
switch.
multivibrator
the
In
closer
voltages
peak
+
500
is
Q3
and
supply
is
connected
allows a CW
In
the
Blend
and
10
Q8.
At
+20V
supply
signal
and
one
of
an
operation.
+35V
U11
and
Coag
to
kHz,
10
in
one
signal
mode
and
the
the
same
through
gating
which
the
necessary
of
to
and
will
IsoBloc
The
output
U12,
respectively.
whose
mode,
resonant
in
and
to
phase
three
ways
+20V
to
pass
the
top
PURE/BLEND
time,
Q7.
in a Blend
shaping
be
energized
circuit,
C2
Coag
of
the
an
audio
unregulated
is
well
filtered
free-running
switched
is
of
peak
coagulating.
for
frequency
the
splitter
This
Q4.
to
contacts
on
R21
is
Coag
oscillator
action
waveform.
circuitry,
The
(A4)
adds
a
at
a
time.
alert
and
+220V
by
C3,
power
frequency
circuit
the
into
and
T1
the
In
lowers
The
collector
the
different
of
the
Q6
and
Q8
to
an
This
allows
U1
causes
higher
driver
a
output
and
from
supply
is
(A5)
Pure
to
load
and
is
is
to
In
the
Coag
mode,
supply
when
When
In
the
DRIVER
One drive transistor
by
the
either
the
Pure
to
with
output
is
passed
U1
and
generator
mode
Cut
mode,
of
K1-9
the
base
less
power
CIRCUIT
of
the
directly
during
conduction. A second
creates a voltage
SSE2L
Service
Manual
the
contacts
Q7
at
the
is
activated
is
activated,
the
and
10
of
Q9
and
dissipation.
(A4,
to
(A7)
on
the
emitter
of
K1
Coag
rep—rate
ON
Q5
is
Coag
signal
and
the
is
used
A7)
circuitry
Q1
of
is
to
(A7)
do
not
activate.
(20
due
to
the
disabled
is
also
applied
PURE/BLEND
to
remove
passed
handle
the
input
Q1
which
to
Instead,
kHz).
The
action
of
and
allows
to
the
stored
the
large
this
stage
is
proportional
the top
RF
oscillator
Q10.
Coag
the
Coag
Q7
but
has
The
inverted
base-charge
level
controls
of
is
of
consisting
oscillator
rep-rate
no effect
to
stored
(A4)
to
the
unregulated
R21
is
U1
signal
because
signal
in
A7Q1
the
base
charge
R8
and
pulled
of
runs
to
from
the
and
of
(A4)
+35V
up
to
the
+20V
O1
and
O2
runs
continuously. be
Q7
allow
(A7)
in
R16. This
to
is
bypassed
of
it
to
switch
O1. A turn-off
this
type
supply,
only
Q7.
Q4
of
path
and
by
is
13
thus
to
the
power
fluctuations.
loading
of
The
the
line
driver
output
stage.
voltage.
stage
is a tuned
It
is
in
this
way
that
the
amplifier
which
SSE2L
is
compensated
is
transiormer—coupled
for
and
power
line
to
the
POWER
This amplifier parallel
R4
the
voltages operation,
OUTPUT
The
mode, DC
the
end
commutated
activated
The
handswitch
AMPLIFIER
stage
increases
which
(with
and
C1
for
lower
frequency
are
developed
the
SECTION
SSE2L
blocking
active
and
features
Monopolar
capacitors
secondary
are
connected
by
LOGIC
activating
inputs
individual
stability.
stage
logic
FOOTSWITCH exclusive energize
relays
assure
gating
Cut
(A5)
that
and
K1
(A5)
(A7)
the
power
is
transformer—coupled
The
there
for
is
driven
level
resistors
power
is a correspondence
adequate
slightly
(A5)
three
individually
Accessory
to
K1
and
mode,
in
the
secondary,
ground.
to
the
collector
K2
to
one
The
(A2)
via
selector
array
Coag
and
(A5)
K1
and
the
IsoBloc
on
which
relays
K2.
(A5)
inputs
the
front
allows
(A1)
Delays
K2
"cold
of
the
for
load
for
amplifier
coagulation off
resonance
activated
and
and
primaries
terminal
of
the
open
from
the
circuit
on
panel
of
only
one
Ki
and
switch"
to
the
impedance
even
is
driven
at
between
performance.
to
limit
output
mode. A typical
in
the
Monopolar
of
the
three
of
the
output
footswitch
HSCT,
the logic
(A1)
by
to
leads
directly
HSCG,
generator.
input
K2,
respectively.
R13
C8,
prevent
level
required
matching.
for
Q2
sharing). A feedback
one
of
two
frequencies.
drive
and
resonance,
Conversely,
the
open
circuits
for
operation:
output
circuit, a leakage
transformers
transistor
depending
on
BPCT
U1, U2,
to
be
activated
and
FSCT
U3,
are
array.
on
and
BPCG.
and
at
R14
C9,
R15
C10,
contact
burning.
surgery.
path
(See
and
the
during pure
voltage.
Monopolar
consists
canceling
commoned
The
which
output
FSCG
BPS
U4
form a mutually
atime.
Q3
and
R16
C11,
It
is a tuned
Q8
are
connected
is
included
RF
Oscillator.)
highest
open
Handswitching
of a transformer,
together
+220V
and
is
set
Q4
energize
and
power
is
selected.
from
the
by
the
Q1
and
R17
in
At
circuit
from
at
one
supply
Q2
power
C12
is
ISOBLOC
The
high
degree
in
the
photoisolators
T1.
appropriate
LAMP
When
on
available
ENABLE
is
RF
supplying
output
14
CIRCUIT
of
RF
isolation.
When
the
lead,
active
CIRCUIT
present
current
power.
(A6)
PI,
anode
the
at
to
the
the
The
activating
Q1
is a 100
PI2,
PIS,
of
the
emits
diode
(A6)
primary
appropriate
lamps
the
and
LED
output
of
will
generator kHz
oscillator
PI4.
CR1
and
light
transformer
indicator
not
light
with
C5
and
of
one
lamp.
at
the
zero
handswitching
which
supplies
CR2
C6
rectify
of
the
photoisolators
the
in
flows
current
T1,
the
way,
this
In
setting.
accessories
and
to
the
filter
the
is
connected
corresponding
through
flows
directly
are
lamps
while
maintaining
light
emitting
energy
to
diodes
transferred
the
phototransistor.
causing
C11
SSE2L
Q2
indicative
Service
Manual
to
of
a
turn
AUDIO
U9
different
amplifier
CIRCUIT
is a quad 2 input
tones
Q5.
for
(A1)
(A2)
NAND
R3
allows
logic
gate
indication
of
control
which
the
of
the
is
connected
selected
speaker
as
mode.
volume.
an
The
output
oscillator
of
the
oscillator
to
generate
drives
two
the
LEAKAGE
Active—to—ground
impedance
CANCELING
with
REM
A
two-wire
to
J103-1
Oscillator
voltage
degree wave, from
presented
symmetrically.
output
Two resistance.
Exclusive
plug
electrodes. and acceptable audio
zero.
C11
This
so
that the
for
the
Coag
CONTACT
patient
and
(U4)
drives a transformer
between
of
normal
and U5
all
voltage
comparators
pin,
the
oscillator
This
is
being
discharge
provides
DC
drive
to
the
Hysterisis
OR
gate
the
low
The
low
resistance
range,
allows
However,
is
C12
voltages
patient. A double-ended
approximately 0 to
resistance
dual-area
where
CIRCUITS
capacitance
active
capacitance
low
frequency
mode.
QUALITY
return
electrode
J101-1
and
C13
is
mode
noise
fast
edges
so
only
contained
U3A
Q1
direct
in
is
provided
is
activated
value
REM
value
is
on
and
output
connection
and
when
lights
an
causes
stray
is
undesirable
capacitance
reduced.
sink
MONITOR
is
connected
is
used
representative
rejection
for
accurate
that,
in
the
one
of
the
+300
U4
and
on
each
by a switch
is
used
RF
output
impedance
across
U1
switches
LED
(A5)
so
The
ground
capability
CIRCUIT
between
to
(T2)
of
is
required.
multiplexer
event
of
output
U2
for
return
the
is
is
mV
with
are
set
comparator
in
an
upper
electrode lower is
not
inhibited.
high
when
the
speaker
state, the
in
RF
patient
that
is
limited. R1
leakage
the
net
connection
and R2
of
(A8)
E1
and
E2,
generator
and a synchronous
the
Flip-flop
transformer
is
presented
used
respect
to
give high
the
limit.
the
operation
resistance
U7
operation.
by the
to
the
to
ensure
face
assembly.
limit.
This
has a
In
either
U5C
inhibited
and
audio
charge
between
is
used
so
that the
comparator
+6V
and
low
stable
mode
pin
on
case,
and
by a logic 1 on U1
driver.
on
C11
receptacle
current.
producing
the
an
in
the
detector
to
no
hazardous
supply
limits
L1
and
effect
inductance
adequate
RF
source
event
E1
to
of a detected
(US)
so
and
E2. A very
provide a symmetrical
isolates
potentials
detector
circuit.
for a 0
on
will
The
to
switching.
lf
the
is
its
when
USD
switch
used
plug
the
along
is
for
conventional
which
resistance
with
pin 2 and
When
U1
pin 5 output
is
discharged
housing.
L2
form a pole
of
the
is
isolated
E3
and a speaker
by
a
in
of
this
error.
that a differential
high
square
the
transformer
will
be
be
loaded
single-ended
135
ohm
range.
return
electrode
not
activated
activates
is
U1
and
low
the
switch
within
T1
form
with
is
pin
4,
by
a
its
an logic
high,
U1.
SSE2L
Service
Manual
15
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