Gals
Iban
Service
SaO2/ETCO2
Model
Part
This
manual
based
July
20,
Number
on
Version
Manual
Monitor
7000
1989
5007-90-P3
5.7
-
CPU
|
software.
Wallingford,
No
part
of
permission
Novametrix
Connecticut,
this
manual
of
Novametrix
Medical
may
Preliminary
Systems
U.S.A:
be
reproduced
Medical
Systems
Inc.,
06492.
Documentation
©1988.
All
rights
without
Inc.
Printed
reserved.
the
written
in
U.S.A.
_
Spor
fose-
Fl"
"BSV;
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PQ
~
+498
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Service
Manual:
Model
7000
Guarantee
Equipment
is
fully
guaranteed,
from
year
products
right
tion,
Novametrix’
Novametrix’
except
occur
Claims
portation
both
equipment.
Improper
out
release
with
to
perform
the
at
or
fuses,
during
for
company.
the
model
use,
following
Novametrix
manufactured
covering
of
date
the
stated
customer’s
obligations
option,
batteries,
normal
damages
mishandling,
guarantees
guarantee
replacement
service.
during
All
correspondence
name
specific
and
from
and
Guarantee
or
distributed
materials
shipment,
service(s)
installation.
under
calibration
number,
tampering
operating
further
any
except
other
this
of
shipment
and
instructions
guarantee
by
Novametrix
and
workmanship,
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than
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at
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obligations.
year.
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are
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Coz
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Systems
period
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repairs,
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equipment,
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defects
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Collect
956-054
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(203)
284-0753
this
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or
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Novametrix
5007-90-P3
20-Jul-89
Service
Manual:
Model
7000
Table
of
Contents:
10
2.0
3.0
4.0
4.0
5.0
6.0
7.0
80
Table
Theory
11
1.2
1.3
1.4
1.5
1.6
1.7
1.8
19
110
Maintenance
21
2.2
2.3
2.4
。
Operational
3.1
3.2
3.3
3.4
Calibration
4.1
4.2
4.3
44
Assembly
4.1
42
|
Specifications..
5.1
5.2
5.3
5.4
55
Connecting
6.1
6.2
Troubleshooting
7.1
Partslists...............
8.1
8.2
of
Operation
Introduction.............
Power
CPU
MainCPUBoard#2403....................
VideoController#2404............................
CO2
Saturation
Motherboard,
SaO2
CO2
Supply
Memory
Front
Front
Sensors
Senmsor
..
#
2401.
#
2402................
End + 2418
End $ 2267, # 2268
CRT
nee
иьненииииолиизлинильзмишиниитоталили
Schedule..........
General....................
Battery
Fuses
Cleaning
OvervieW
Equipment
Monitor
Safety
A
Calibration
Adjustment
Software
Disassembly
Assembly
General........................
The
Oxygen
The
Optonst..........................
RS-232outputs..................
AnalogIn/Out........
20007
ASSY:
ASSY:
Maintenance
and
Line
Cord
the
Model
TeSS
Required
Tests.......
Checks.....................
and
Adjustments
Procedure
Updates...
and
Disassembly
CapnostatTM
Saturation
Monitor...
External
Guide
746668865.0.000
5007-00
5007-01
инь
Procedure.
ue
Sensor
SaO2
Equipment.
06
MODEL
06
MAIN
of
Contents
..
eserse
(2409), # 2421
Assembly,
and
(2407)
..............
Front
Panel..
ити
000
rennes
7000...
оноюонеиньзиононоьовавонотвотиниивиоиоини
ee
лилии
ee
ee
шииты,
ee
излить
scan
τος
cod
…
…
…
…
…
…
„8
9
38
40
42
42
42
43
44
44
44
44
51
...52
52
dre.
Instructions.
AN
…
52
.
58
.
64
70
.
70
72
73
…
73
...........
Sensor...
iii
.............asesesesesemes
아
나
아
이
아
아
아
아
아
아
아
아
이
아
7000
-
SAO2
AND
ASSY,
METAL
BOX,
아
아
마
ETCO2
eric
라
라
여
라
MODEL
erezioni
ee
아
아
아
아
어
MONITOR
7000
마
아
아
마
아
.
...........................
마
이
…
…
…
…
ninni
아
아
이
아
이
...
73
.
73
.74
74
73
75
76
78
이
78
81
..
81
81
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
1
Table
of
Contents:
Service
Manual:
Model
7000
9.0
8.3
84
8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.15
8.16
8.17
8.18
8.19
8.20
8.21
8.22
8.23
8.24
8.25
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
ASSY:
Schematics
4977-13
2400-01
2402-01
2403-01
2404-01
2405-01
2407-01
2409-01
2418-01
2421-01
5006-01
5055-01
2267-01
2267-17
2268-01
2268-17
5088-01
5062-01
5007-06
4998-01
5013-01
4959-01
5218-01
and
Assembly
02
TOP
06
MOTHER
04
CPU
04
MAIN
04
VIDEO
05
RAM
03
FRONT
02
PIGGYBACK
04
PIGGYBACK
01
FRONT
03
POWER
04
REAR
03
Sa02
00
FNT
03
FRONT
00
FNT
06
BEZEL
00
SAO2
XX
OPTION
02
CO2
02
REGULATOR
03
SENSOR
02
SENSOR
COVER
MEMORY
SIMM
FRONT
END
END
INPUT
SCREENED,
BOARD
CPU
BOARD
CONTROLLER
BOARD
END
BD
BD
BOARD
END
BOARD
HARNESS
PANEL
ASSY,
INPUT
DIGITAL
END
ANALOG
LIST,
HARNESS,
CAL
CAL
ASSY,
END
ANALOG
MODEL,
HARNESS,
HARNESS
RCPT
RECEPTACLE
ASSY,
BOARD
ASSY,
ASSY,
ASSEMBLY
ASSY
ASSEMBLY,
ASSY,
ASSY,
MODEL
BD
ASSY,
BD
BD
MODEL
ASSY,
MODEL
MODEL
ASSY,
MODEL
BD
ASSY,
(CTC),
MODEL
ASSY...........................
BD
ASSY,
ASSY
7000
MOD
7000
MODEL
ASSY,
7000..
7000...
MODEL
MODEL
MODEL
(CTC),
1260......
MODEL
7000
7000...
MODEL
MODEL
......
7000.
........
7000
MODEL
1260...
ASSY,
7000
7000...
7000..........
MODEL
MO!
7000
....
7000.
7
7000..
7000.
MODEL
7000..
Drawing6s...........cseccscssssecscecsssceeseceees
Page
2
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Service
Manual:
Model
7000
Theory
of
Operation:Introduction
1.0
11
Theory
of
Introduction
The
Model
reliable
rate,
infra-red
A
requirements,
after
sent
the
five
along
panel
used
connections
ease
changing
backup
possible
continuous
expired
light
user
friendly
the
unit
is
There
monitor’s
The
are
Status
softkeys,
for
of
or
with
the
jacks
the
“SaO2
system,
are
disassembly.
unit
can
a
programming
will
supply
battery
Operation
7000
is a
non-invasive
measurement,
CO2,
and
respiratory
sources
once
turned
five
menu
operation.
power
Cal
damage.
and
menu
display
programmed
off.
“softkeys”
displayed,
The
switch
Cell
used
INPUT”
The
jacks
run
through
operate
from
key
approximately
monitoring,
rate.
computing
system
any
which
front
and
and
found
perform
this
panel
indicators,
in
calibrating
“CO2
are
different
the
system’s
any
voltage
in
1
hour
portable
This
the
assists
changes
eliminates
is
Sa02/ETCO2
is
results
different
a
membrane
the
the
INPUT”
to
avoid
Motherboard
and
the
power
of
operation
and
display
performed
to
acquire
in
programming
are
permanently
commands
large
are
confusing
switch
ALERT
Capnostat™
for
the
connection
frequency
entry
module
with
monitor
of
by
the
overlay
RESET
(202
designed
oxygen
analyzing
correct
the
stored
depending
keypanels
and
sensor.
connection
of
the
via
removable
found
protection
on
in
the
the
rear
to
saturation,
the
changes
parameter
unit
for
in
memory
upon
and
which
of
circuitry
contains
AUDIO
The
the
two
wrong
world
sensor.
connectors
panel.
produce
pulse
in
results.
individual
even
the
pre-
simplifies
the
buttons,
two
front
sensors
All
for
by
simply
A
battery
to
prevent
The
monitor
to
as
the
functions
nicates
lines
The
tions,
Manual.
with
are
CRT
Various
The
different
*
2401
*
2402
*
2403
*
2404
*
2421
*
2418
*
2267
+
2268
+
Motherboard
is
“host”.
through
external
run
through
displays
displays
assemblies
Power
CPU
Main
Video
Digital
Analog
Digital
Analog
controlled
Consider
communication
equipment
the
the
by
the
Motherboard
waveforms
are
found
Supply
Memory
CPU
Board
Board
Board
Controller
CO2
Front
CO2
Front
SaO2
Front
SaO2
Front
the
Motorola
host
as
the
with
each
through
where
as
selected
available,
in
the
Model
-
End
Board
End
Board
End
Board
End
Board
MC68000
“brains”
board,
the
each
runs
rear
panel
all
the
by
the
is
described
7000
are
(previously
(previously
Microprocessor
of
the
system,
the
system
connectors.
individual
user
along
thoroughly
listed
below:
2407)
2409)
it
controls
software,
All
circuit
boards
with
which
the
in
is
referred
all
internal
and
commu-
communication
are
housed.
softkey
the
Operating
func-
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
3
¿Theory
of
Operation:Power
+
*
Supply
CRT
Front
#
2401
Assembly
Panel
Membrane
Switch
Overlay
Service
Manual:
Model
7000
1.2
Power
1.2.1
There
supply.
they
are
the
monitor.
or
even
it
is
used
used
to
within
1.22
AC
acceptable
AC/DC
The
power
AC
Plugged
*
Supply # 2401
Output
Three
charge
1260/7000
operation
level.
Both
voltages
are
four
used
to
Even
device
to
power
line
the
low
of
these
power
small
failure.
the
the
battery.
limits
operation
monitor
or
in
DC
mode
into
a
line
cord and
level
DC
voltages
critical
deviations
The
CRT
so
fourth
picture
While
that
the
digital
can
mode
occurs
properly
with
when
fuses
voltages
(+5V,
and
from
voltage
tube
this
voltage
components
operate
wired
either
its
internal
the
monitor
AC
are
in
supplied
+15V,
analog
their
(V
BAT)
and
operate
in
battery.
line
good
condition,
as
-15V)
components
nominal
need
the
fan,
may
be
properly.
AC
mode
is:
with
outputs
need
to
values
not
and
under
less
regulated
by
an
acceptable
and
from
be
closely
which
may
lead
be
as
tightly
AC
an
external
the
1260/7000
regulated
make
up
to
erroneous
regulated
operation
it
must
connection
operating
power
the
heart
mode
still
be
voltage
since
of
data
since
is
kept
to
an
+
the
rear
DC
operating
*
unit
is
operating
*
Power
*
AC
line
*
the
rear
While
operating
charged.
ating
operating
introduced
information
panel
1.2.3
The
battery
the
mode
As
level,
mode
into
occurs
indicates
DC
power
power
from
panel
mode
unplugged
level.
cord
and/or
power
panel
monitor
are
soon
as
or
the
is
the
monitor,
when
that
AC
source
source
being
power
power
met,
the
unit
automatically
entry
occurs
from
fuse
is
lost,
or
entry
is
connected
the
AC
line
is
turned
AC
switch
when
the
are
bad.
switch
monitor
voltage
initiated.
operating
switching
power
for
ruined
is
present.
the
DC
by a deep
is
set
either:
AC
line
is
set
to
an
acceptable
operates
into
on
while
mode
between
mode
is
discharge
ON
or
the
to
OFF
in
the
not
When
is
AC
and
the
internal
(|).
AC
voltage
(0).
AC
source
AC
mode
monitor
falls
connected
an
acceptable
restored.
DC
modes.
lead
under
DC
is
below
and
the
and
the
below
to
an
AC
AC
No
loss
of
The
AC
acid
battery.
operation,
an
acceptable
conditions
internal
the
acceptable
line
source,
line
is
once
monitor
LED
the
function
on
To
prevent
power
for
AC
battery
oper-
DC
again
the
front
the
supply
is
or
Page
4
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Service
Manual:
turns
warning
provide
up
volts
Model
7000
the
the
power,
when
monitor
is
provided
battery
a
constant
it
is
fully
of
when
to
alert
with
voltage
charged
battery
a
quick
down
voltage
the
user
charge
charging
to
before
while
method
the
turn
falls
to
a
the
turn
off
maintaining
is
used.
off
threshold
Theory
preset
of
threshold.
threshold
stand-by
The
battery
of
10.5
Operation:Power
A
“Low
is
actually
float
current
delivers
VDC.
between
Supply
#
2401
Battery”
reached.
for
To
back-
13.8
1.24
how
users.
changing
also
normal
erated
120
1.2.5
RAW
from
DC/BATTERY
SWITCH
MONITOR
whether
CONVERTER.
the
front
SIGNAL
ER,
and
DC
POWER
AC
AC
power
well
the
The
the
required
power
by
the
-
10%
Block
The
AC
DC
is
the
+BAT
is
the
processor
The
POWER
membrane
is
turning
to
the
supplies.
ON/OFF
power
1260/7000
source
input
power
voltage
when
line
system.
=
108
VAC
diagram
INPUT/RAW
fed
into
GENERATOR
SWITCH
sent
into
senses
RAW
The
as
well
ON/OFF
the
DC/BATTERY
RAW
keypanel
used
to
the
monitor
fan,.while
The
SIGNAL
depends
company
can
selector
going
conditions
For
and
operation
the
and
the
voltage
as
on
switch
from
example,
the
DC
block
+BAT
the
input
DC/BATTERY
controls
LATCH
and
control
+5V
on
the
DC-DC
output
for
the
the
and
not
only
can
regulate
its
primary
on
the
rear
100/120
in
excess
with
high-line
converts
GENERATOR
is
used
to
CRT/FAN
of
the
level
on
both
SWITCH
MONITOR.
the
AC
ON
is
activated
generates
outputs
off.
from
POWER
of
The
CONVERTER
the
ON
the
country
their
input
panel
VAC
to
of
10%
120
VAC
value
is
AC
and
charge
SWITCH.
DC-DC
the
should
LED
by
a
POWER
the
CRT/FAN
DC-DC
LED
on
in
which
power
given
between
power
200/240
of
the
nominal
nominal
120
+
10%
line
input
the
RAW
the
battery,
The
CONVERTER.
RAW
DC
send
RAW
also
sends
on
the
front
the
POWER
ON/OFF
CRT/FAN
SWITCH
SWITCH
provides
CONVERTER
the
front
the
monitor
the
varying
100,
entry
VAC.
DC/BATTERY
output
module.
Voltage
value
input,
=
132
VAC.
into
an
unregulated
and
is
of
The
and
BATTERY
DC
or
a
BATTERY
membrane
ON/OFF
RAW
SIGNAL.
and
provides
power
for
is
also
membrane
is
demands
120,
200,
A
fuse
fluctuations
are
expected
the
low
SWITCH.
also
sent
the
RAW
DC/BATTERY
lines
BATTERY
ON/OFF
keypanel.
SWITCH
The
POWER
the
DC-DC
power
the
to
+5V
used
to
keypanel.
used
but
of
240
VAC
change
due
and
line
voltage
DC
voltage.
The
output
to
the
DC/BATTERY
and
decides
to
the
DC-DC
signal
located
on
ON/OFF
CONVERT-
the
CRT
and
the
generate
also
their
by
is
to
tol-
is
RAW
LINE
to
the
tube
+15V
the
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
5
>
Theory
of
Operation:Power
Supply
#
2401
Service
Manual:
Mode!
7000
INPUT/RAW
POWER
ON/OFF.
FRONT
1.2.6
former,
integral
provides
the
ondary
D1
tors
following
DC
ACINPUT/RAW
The
AC
a
bridge
power
a
desired
during
to
produce
Cl,
C2,
equations,
varies
AC
D1,
ON
PANEL
INPUT/RAW
receptacle
voltage
and
according
DC
C1,
C2,
2400
C3
BOARD
———>
rectifier,
switch,
low-line
a
full
C3
+BAT
GENERÁTOR
REAR
PANEL
ON/OFF
>
07.
1024, IC2B,
DC
DC
and
voltage
for
the
selected
input
wave
rectified
on
the
Motherboard
an
AC
to
the
AC
RAW
MONITOR
ca,
RAWDC/BATTERY|__
02,
12V
BATTERY
POWER:
|
LATCH
+
IC1
block
block
several
selector
line
into
conditions.
line
line
capacitors.
cord.
the
output,
input
voltage
input
DC/BAT
G8,
СЧА
”|
VAL,
Y
SWITCH
2
08,
04
consists
switch,
The
dual
primary
The
which
to
make
of
and
the
——1——_—_———,
:
y]
of
The
fuse
primary
induces
secondary
120
monitor
CRT/
>|
FAN
SWITCH
06,
a
power
power
holder
is
filtered
UNREGULATED
VAC
DC.DC
CONVERTER
PS1
O1
entry
entry
and
transformer,
at
least
AC
voltage
and
is
power
—*
module,
module
RFI/
15
smoothed
assumed.
requirements:
ACLED
BATTERYON
Lo
==»
pa
+5v
ONLED
+15V
-15V
CRTÆAN
EMI
filter,
T1,
is
VAC
is
rectified
RAW
The
a
incorporates
wound
across
out
DC.
value
power
as
the
by
by
For
of
trans-
an
well
as
so
that
sec-
bridge
capaci-
all
the
RAW
“Page
6
RAW
The
maximum
imum
rectifier)
12.7
the
device
its
DC
THE
To
generate
CRT
is
input
current
and
Vripple
+BAT
and
located
the
put. A power
drop
in
voltage
DC
(VDC)
magnitude
draw
of
the
value
of
the
(VAC)
GENERATOR
the
voltage
the
fan,
an
adjustable
on
the
back
UNREGULATED
diode,
D2,
across
protects
the
Preliminary
=
Secondary
=
15
VAC
=21
VDC
of
ripple
the
system,
filter
=
=4A/(0.03
=
required
(AC
capacitors:
Current / (Capacitance * Frequency)
1.11
to
linear
panel
RAW
the
of
DC
IC
diode, a constant
AC
(min)
fluctuation)
the
frequency
F *
VAC
charge
voltage
the
monitor
and
during
voltage
Documentation
20-Jul-89
voltage
(Vrms) / .707
/.707
on
120
Hz)
the
battery
regulator
which
of
RAW
the
during
it
DC
ripple
AC
integrated
uses
as a heatsink.
produces a regulated
battery
operation,
charge
of
and
13.8
(Rev.P3)
is
related
(120
Hz
operation
circuit
14.5
is
VDC
allowing
VDC
(2.3
to
the
max-
for
a
bridge
and
power
used.
It
takes
at
its
for a 0.7
volts per
5007-90-P3
This
as
out-
V
Service
Manual:
Modei
7000
Theory
of
Operation:Power
Supply
#
2401
battery
the
1.2.8
tion
volt
voltage
mary
switches
provided
also
from
lower
itor
that.
Taking
cell)
condition
AC/BATTERY
A
dual
of
both
reference.
divider
power
If
AC
sensed
becoming
trip
is
automatically
must:
the
ints
0f10.5
is
present
of
the
under/over
RAW
When
consisting
source
RAW
power
over
it
DC
declines
to
has
an
through
deeply
point
sets
be.
present’
diode
and
Lower
Trip
under
battery
MONITOR
voltage
DC
and
adequate
for
the
Trip
DC
operation
adequate
scaling
discharged,
the
voltage
shut
across.
drop
across
12.0
volts
AC
operation.
and
will
fluctuate
comparator
the
BATTERY
AC
power
of
R5.and-R6),:is
monitor.
The
= ( (R5+R6) / R6) * 1.3
=((27.5+
=
15.5
and
falls
below
mode.
charge.
resistors
As.with.the
both
at
which
off,
while
the
D1
are
the
battery
into
set
by:
=((R19+R8+(1/2VR1))/R19)+13V
= ( (200 + 1100 + (1/2)
=
10.075
Ultimately,
according
IC3
(ICL7665),
lines
and
is
present,
above
scaling
301)
the
equation
/27.5)*
VDC
the
trip
voltage,
The
battery
but
because
lower
a
low
upper
-terminals
consideration,
becomes
RAW
it
and
upper
battery
trip
point
before
V
this
is
voltage
to
the
charge
continually
compares
the
RAW
trip
voltage
for
the
V
1.3
V
the
DC,.the.condition
is
desired
battery
condition.
represents
the
for
a
nominal
(500)
)/
of
the
them
DC
line
and
RAW
DC
AC/BATTERY
the
primary
to-
trip
is
detected
the
monitor
lower
200) * 1.3
|
dependent
battery.
monitors
with
an
(as
scaled
is
used
line
is:
power
of
the
prevent
points
can
are
and
minimum
be
and
V
upon
the
condi-
internal
by
the
as
the
pri-
MONITOR
source,
battery
the
battery
set.
The
the
mon-
voltage
turned
upper
trip
1.3
is
on.
5007-90-P3
Low
Upper
Battery
Potentiometer
upper
vide
signal
1.2.9
and
ICID
and
the
logic
to
the
RAW
Under
the
monitor
turns
lower
DC
Battery
Trip
Оп
VR1
is
used
trip
voltages.
for
tuming
Microprocessor.
DC/BATTERY
operation,
is
run
transistor
Preliminary
on
the
SWITCH
the
completely
Q4
on,
=
10.075 + 0.7
=
10.775
=
(CR19
V
+R8 + R7 + (1/2
VR1)
= ( (200 + 1100 + 200 + (1/2)(500) ) /
=
11.375
=
11.375
=
12.075
to
compensate
The
output
AC
battery
bringing
Documentation
У
+07
У
state
LED
on
and
DC-DC
is
gated
off
the
the
20-Jul-89
for
component
of
the
the
front
CONVERTER
to
the
internal
base
battery.
of
(Rev.P3)
tolerances
dual
comparator
panel
input
transistor
via
of
A
the
logic
Q3
}/
R19) ) *
Q8,
and
DC-DC
high
low
200)
is
also
a
and
1.3V
*1.3V
when
setting
used
BATTERY
CONVERTER
at
the
output
turning
to
pro-
it
Page
the
ON
of
on.
7
Theory
of
Operation:CPU
Memory # 2402
Service
Manual:
Model
7000
Transistor
switch
power
transistor
VERTER.
convert a 9
efficiency
from
nal
1.2.10
the
associated
line.
in
sideration
directly
1.2.11
closure
whose
flip-flop
this
the
tion
ON/OFF
Capacitor
for
from
ICIC,
the
monitor
CRT/FAN
To
avoid
CRT
Because
the
switch
off
POWER
The
POWER
ofthe
width
(IC2A),
pulse
present
is
detected
switch
of
and
LATCH
power-up.
Q3
then
the
battery
leaking
Q2
The
DC-DC
to
24
volt
about
the
75%.
POWER
is
on
SWITCH
the
loss
the
fan
circuitry
given
of
the
FET
and
the
IC1B
is
wasted
of
ON/OFF
ON/OFF
front
is
controlled
and a short
causes
state
the
until
by
will
C2
and
resistor
turns
into
back
is
off
CONVERTER
input
The
ON / OFF
via
the
of
require
used
has
high
the
panel
output
the
the
be
power
into
efficiency
to
when
POWER
transistor
the
CONVERTER.
the
and
D3
into
tightly
outputs
ON LED
only loosely
supply
very
low
the
power
ON/OFF
LATCH
LATCH
POWER
by
capacitor
pulse
of
the
next
positive
RAW
DC/BATTERY
forced
R17
cause
Q2
fully
on,
Back
RAW
LATCH.
when
CRT
requirements
DC
line.
is
forward-biased,
is a 50
regulated
of
the
located
going
the
CRT
resistance
tube
Watt
converter
The
on
the
through
regulated
display
when
and
of the
When
switching
+5,
are
+5v
supply
front
input
and
fan
LATCH.
receives
key,
is
generated
second D flip-flop
to
the
its
‘which:
Cl
and
clock
OFF
the
LATCH
control
appears
resistor
at
the Q not
edge.
MONITOR,
state
In
by
to
and
it
acts
biased
sending
+15,
panel.
turned
are
from a pulse
at
(IC2B)
the
diode
adequate
RAW
and
-15
enabled
line
the
DC-DC
power,
the
fan
on,
on,
which
CRT.
‘the
R3,
The
‘colle¢tor
is
debounced
output.
to
event
the
power
directly
with
very
toggle
that.a
transistor
be
reset
in
as a low
D3
prevents
RAW
DC
onto
supply
VDC
FET
directly
output
Q5
outputs
by
R25
Converter
switch
from
little
is
an
switch
generated
of
The
positive
and
low
of
and
the
OFF’
impedance
DC
is
present,
the
which
with
an
ON
is
used
and
Ol
the
power
important
is
controlled
during
Q7.
This
by
the
edge
to
latch
battery
the
POWER
resistor
state
battery
CON-
can
an
signal
to
sig-
since
and
its
+BAT
is
lost
con-
the
pulse,
first
D
of
onto
condi-
R13.
during
13
Page
8
CPU
1.3.1
age,
information.
per
(128K X 8)
up
low
1.3.2
inputs
transition
Memory
Memory
Two
types
and
SRAM
The
byte
(128K X 8)
and
in a similar
and
high).
Analog
The
analog
at a time.
of the
#
2402
of
memory
(SIMM
SRAM
is
and
is
enabled
manner.
to
Digital
to
When
LBWE
U2
Converter
digital
converter IC35
the
line.
Preliminary
devices
are
boards)
contained
is
enabled
by
the
which
CS11
Data
consists
line
lines
Documentation
used,
EPROM
for
temporary
on
two
2405-01
by
the
UBRE
LBRE
line.
of
two
The
has a multiplexed
is
low
IC49
D@-D3
20-Jul-89
feed
(IC2,
storage
SIMM
line,
EPROM
chips
(low
will
IC49
(Rev.P3)
3,
the
other
and
input
be
enabled
which
4,
and
5)
of
variables
boards,
handles
devices
high),
which
on
transfers
for
program
and
one
handles
the
IC2-IC5
and
U3
reads
the
positive
the
trending
the
lower
are
broken
(two
chips,
one
of
data
to
5007-90-P3
stor-
up-
byte
four
going
the
Service
Manual:
Model
7000
Theory
of
Operation:Main
CPU
Board
#
2403
1.4
multiplexor
amplified
monitoring
IC35.
and
Main
1.4.1
The
MHz
program
peripheral
the
rest
packets
bits
16
Mbytes
protocol.
The
external
tions
by
CPU
The
heart
for
earlier
instruction
affected
of
the
that
of
the
MC68000
hardware
are
conducted
R/W
data
W=Write,
device.
1C34
is
(which
IC28A
handled
pin
by
1
IC28C
Board # 2403
Microprocessor
if
the
system
units).
system
are
either
word)
of
continuous
(Read/Write)
to
and
by
in
length
has
and
in
be
The
interpreting
the
via
one
various
the
a
smooth
sent
data
selects
and
instruction
a
word
memory
one
IC28B
pin
is
the
MC68000
16-bit
and
data
(the
a
24-bit
of
pin
8.
Motorola
oversees
it
to
of
full
space.
control
microprocessor
and
orderly
indicates
external
be
the
sent
from
from
to
four
7,
IC28D
IC41
deciding
its
task.
bus,
which
16-bits)
address
The
lines
to
manner:
the
direction
the
analog
develops
MC68000
Front
which
ensure
inputs).
pin
14
a
all
aspects
what
The
microprocessor
allows
or
one
bus
that
End
provide
that
of
device
microprocessor
to
The
is
a
spare
-10
volts
MPU
which
of
the
action
to
information
byte
(either
allows
Boards
“handshaking”
data
transfer
data
transfer.
microprocessor.
the
to
two
analog
input.
VREF
system,
take
the
communicate
the
Battery
for
runs
at
from
and
informing
communicates
to
be
the
high
processor
and
R=Read,
external
inputs
are
voltage
use
by
IC28
10
MHz
fetching
transferred
or
to
by
between
system
(8
the
with
in
low
8-
access
serial
the
func-
a
AS
(Address
placed
start
of a data
UDS,
LDS
length
ed
along
the
LBWE
DTACK
device
by
the
microprocessor
Strobe)
on
the
address
transfer
are
Upper
of
the
packet
with
R/W
by
(Lower
LDS:
information,
UDS:
ignore
UDS
information.
(Data
addressed
only
only
the
and
Byte
the
the
the
lower
LDS
Transfer
by
indicates
bus
by
the
cycle.
and
Lower
of
data
to
be
IC31,
Write
lower
upper
Enable),
byte
8-bits
upper
IC32B,
8-bits
8-bits.
together:
the
microprocessor
has
been
the
ACKnowledge),
received
that a valid
microprocessor
Data
Strobes,
transferred.
IC30C,
UBWE
of
the
data
should
contain
full
data
by
These
and
word
be
ignored.
valid
word
sent from
to
signal
the
device.
address
and
they
has
signals
indicate
signals
IC36F
contains
to
valid
information,
contains
the
that
the
data
been
the
the
are gat-
develop
valid
external
sent
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
9
Theory
of
Operation:Main
CPU
Board # 2403
Service
Manual:
Model
7000
VPA
an
address
CLK
fer
which
There
These
device
processor
reads
modified
A
gram
information
Read/Write
it
requires
ing
that
asserts
are
to
data
Read
step
the
the
the
are
the
the
to
from a device,
data
Bus
from
from a peripheral.
signal
by
data
data
handshaking
(Valid
interrupt
(system
cycles.
is
three
Read
microprocessor,
the
device,
to
the
Cycle
ROM,
asserting
on
the
requested
CLOCK
Peripheral
address
bus.
This
divided
basic
Bus
same
occurs
needs
high
and
the
data
is
lines,
CLocK),
signal
down
types
Cycle,
and a Read-Modify-Write
modifies
address.
letting
appropriate
bus
available.
$0 | $1|
Address)
from a jump
governs
is
developed
by
IC37B.
of
bus
cycles,
where
the
Write
either
to
retrieve a stored
The
and
asserting
and
removes
52 | S3|
data
Bus
it
according
when
cycle
the
device
Data
The
microprocessor
the
S4 | 55]
instructs
table
in
ROM,
the
basic
unit
from
classified
is
transferred
Cycle,
to
the
the
microprocessor
variable
is
started-by
address
Strobe
its
DTACK
address
S6 | S7
the
of
Y1 a 16
by
which
Bus
Cycle
program
in
the
know
lines.
line,
gets
from
the
processor
rather
time
the
from
transfers
the
microprocessor
the
The
letting
the
bus.
|
to
than
from
for
data
MHz
where
instruction and
is
oscillator
direction
the
addressed
data
the
ready
RAM,
length
device
the
data
or
of
responds
from
obtain
the
trans-
of
data
transfer.
external
from
the
micro-
microprocessor
returns
for
the
next
needs
the
processor
to
access
bringing
data
packet
by
plac-
know
the
bus,
the
pro-
the
de-
DATA
S=60
nsec
1-Address
IN
Strobe
Delay = 60
nsec
Page
10
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Sarvice
Manual: Model
7000
Theory
of
Operation:Main
CPU
Board
#
2403
2-Decoder
3-UBRE/LBRE
4-DTACK
5-Data
6-Memory
A
Write
RAM
Address
on
into
asserting
address
or
the
the
Strobe
data
addressed
and
Setup
Bus
wants
bus
DTACK
data
Prop
Delay = 3
Prop
Setup = 20
Time = 15
Access
Cycle
to
send
is
asserted,
and
the
device.
and
from
their
CLOCK
AS
A1-A23
DECODER
OUTPUTS
decoder
Delay = Add
nsec
nsec
Time
=
S2+
occurs
data
the
when
to
a
the
Read/Write
appropriate
After
processor
busses.
So | $11
|
—
delays = 21
Strobe
53
+
54
the
microprocessor
peripheral.
Data
successfully
clears
52 | $3]
1
ke
È
a
line
Strobes
1
After
$4 | $5]
ns
Delay + Dec
+
55
+
56
the
is
brought
are
receiving
the
control
$6157
9
>
Prop
-
3
-
5
=
needs
address
asserted,
the
to
is
low.
data,
signals,
—
Delay = 67
218
ㅁ
560
store
a
variable
placed
The
writing
the
Г
on
data
the
device
finally
ns
in
the
bus
is
then
placed
information
responds
removing
the
and
by
the
UDS/LDS
LBWE/UBWE
DATA
S=60
nsec
1-Address
2-Decoder
3-UDS/LDS
4-R/W
5-LBRE/UBRE
6-LBRE/UBRE
Strobe
Prop
from
S2 = 70
ΒΑΝ.
DTACK
OUT
Delay = 60
Delay = 21
from
S4 = 60
prop
pulse
3İ
mİ
Fe
4>
8—>
ns
delay = 7
width = 115
ns
ns
~
5
7—>|
ei
nsec
ns
ns
6
—
5007-90-P3
7-DTACK
setup = 130
Preliminary
ns
Documentation
20-Jul-89
(Rev.P3)
Page
11
Theory
of
Operation:Main
CPU
Board
#
2403
Service
Manual:
Model
7000
8-Data
9-CE
A
Read-Modify-Write
a
single
manner
the
sor’s
the
the
DTACK,
including
1.4.2
device
accomplished
2
high,
C4)
ously
cause
143
coordinated
similar
read
and
internal
Write
original
RESET
Cycle.
the
Address
Reset
on
power
this
after
the
monitors
the
processor
Status
(system
will
Setup = 130
pulse
width = (S2 + S3.+3+5+6)-(1+2)=221
to
a
the
original
registers
The
address
processor
Strobe
up
by
IC39A
cause
power
the
processor
to
Lines
ns
Bus
cycle.
Read
In
Cycle,
address
and
logic
modified
with
the
removes
and
RESET)
or
if
something
,
when
pin
4
and
system
get
lost.
Cycle
the
first
except
remains
unit,
data
is
assertion
the
removes
causes
power
to
generate
clock
will
also
combines
part
Address
on
and
put
on
of
address
the
modified
initialization
causes
is
applied
a
have
reset
the
of
the
cycle,
Strobe
the
bus.
the
Read/Write
the
bus
the
Data
from
data.
the
microprocessor
C4
100
msec
stabilized.
the
system
separate
data
is
The
data
and
a
write
Strobe
the
bus,
of
the
will
charge
low
pulse
Watchdog
if
a
ns
Read
is
read
not
de-asserted
is
modified
line
is
operation
lines.
system
After
releases
to
up
through
(time
bad
instruction
and
Write
from
the
by
brought
either
become
low,
is
the
the
by
R2
constant
circuitry
Cycles
device
at
the
end
the
proces-
initiating
performed
device
control
that
or
asserts
an
external
lost.
This
bringing
of
R2
continu-
a
bus
into
in
a
of
at
lines,
is
pin
and
fault
FCO,
the
State
The
decoder)
1.4.4
IPLO,
the
assistance
and
When
current
decodes
address
sor
needed.
current
gram
new
tion
Finally,
cessor
FC1,
Supervisor
(some
signals
line.
The
IPL1,
microprocessor
from
decodes
a
instruction
the
of
runs
the
If
interrupt
location
service
and
status
the
continues
FC2
State
of
the
are
gated
Interrupt
IPL2
the
the
output
request
for
then
IPL
lines
the
interrupt
interrupt
another
interrupt
service
and
status
routine
of
the
original
running
(Function
(all
more
together
Lines
(interrupt
know
Code
of
the
microprocessors
sensitive
by
Priority
that
the
aspects
device
microprocessor.
to
the
IPL
lines.
servicing
saves
to
servicing
service
routine
are
is
run
and
old
service’s
program’s
where
comes
it’s
find
which
routine
routine,
of
higher
is
placed
unless
place
it
left
halted
routine
output)
of
IC40B
IC27
place
whose
Level)
either
receives
in
on
in
device
for
performing
priority
at
on
the
a
higher
is
and
status
off
before
indicates
resources
the
system
output
are
initiated
has
the
the
interrupt
the
program
has
that
device
the
comes
the
end
stack,
and
priority
then
removed
are
returned
servicing
the
internal
are
are
inaccessible
(pin
6)
by
the
information
interrupt
lines
the
on
the
requested
from
a
lookup
task
that
in
before
of
the
the
comes
the
current
new
interrupt
in,
from
from
the
interrupts.
state
of the
available),
and
is
the
INT
external
for
the
MPU
signal
from
processor
system
assistance
stack.
and
table.
the
interrupting
processor
instruction,
is
it
is
finished.
the
stack
and
the
stack
processor,
or
the
User
protected).
(INterrpuT
device
finishes
The
or
the
device
It
gets
proces-
to
needs
the
then
the
device
is
done,
serviced.
The
the
the
pro-
The
loca-
completed.
and
the
pro-
let
Page
12
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Service
Manual:
Model
7000
Theory
of
Operation:Main
CPU
Board # 2403
1.4.5
Kilobytes
long-life
keep
providing
SRAM
monitor
this
viously
1.4.6
mation
volts.
nels
addressing
low
and
or
1.4.7
Timekeeper
The
Timekeeper
of
lithium
any
information
is
is
way,
each
set
Digital
The
D-to-A
from
The
from
which
16
respectively)
Vd
(pins
Dual
RAM
RAM
low
power
battery,
stored
time
and
date
also
used
to
turned
are
AD7226KN
a
IC26
activates
2,
on,
time
the
maintained
to
Analog
Converter
the
digital
shared
1,
time-multiplexed
which
the
steer
20,
19
Asynchronous
IC14
CMOS
and
stamping
remember
the
program
monitor
and
Converter
(DAC)
form
is
an
then
WR
the
of
IC35
(MK48T02B-15)
static
switching
safe
and
is
need
the
8-bit
sends
(WRite)
digital
respectively).
Communication
RAM.
circuitry
intact
of
trend
the
system
restores
powered
not
be
reset
IC15
processor
quad
input
pin
input
(AD7226KN)
DAC
2
low,
line
Interface
combines
Inside
when
the
up,
uses
data
of
to
the
that
the
and
other
parameters
saved
the
by
the
to
providing
bus.
and
LBWE
1C35.
the
appropriate
Adaptors
device
provides
monitor
output
currently
settings
system
user
performs
an
analog
four
The
Address
a
Real-Time
is
a
crystal
uninterrupted
is
turned
data,
in
and
parameters
the
voltage
separate
processor
low.
This
lines
A@
analog
Clock
for
the
off.
In
the
battery
use.
Each
monitor
conversion
between
analog
selects
causes
output
and
and
features.
features
output
the
IC32C
Al
Va,
with
clock,
power
addition
backed
time
the
pre-
of
infor-
0
and
chan-
DAC
to
(pins
Vb,
Vc,
2
a
to
to
In
10
by
go
17
The
Dual
Asynchronous
(abbreviated
parallel
mation
information
shaking
through
There
One
DACIA
IC19
which
the
monitor.
reduce
the
the
communication
microprocessor.
1.4.8
face
Parallel
The
between
external
which
would
microprocessor
is
completely
Through
DACIA)
bus.
It
also
from
the
exchange
signals
IC29B
are
are
The
and C to
two
(IC16),
connected
number
Its
Interface / Timer
Parallel
Interface/Timer
the
logic
and
otherwise
guidance.
programmable
its
bidirectional
interfaces
provides
bus
and
between
between
inform
DACIAs
is
used
other
DACIA
of
bus
interface
timing
lower
devices.
require
Communication
the
data
transfer
converting
the
it
and
the
the
processor
in
the
to
communicate
to
one
of
two
IC17
lines
required
between
is
generated
(MK68230Q-8D)
8-bits
of
This
peripheral
the
handling
The
device
and
is
output
port
serial
it
two
computer
other
system
standard
is
used
to
the
front-end
by
Y2
MC68000
by
also
increases
able
to
lines,
Interface
input
in
the
opposite
into
a
system
that
the
and
each
with
25
for
internal
talk
with
a
3.6864
IC21
is
used
discrete
alter
its
such
varied
Adaptors
it
receives
direction,
serial
bit
systems,
and
data
has
has
external
pin
D-connectors
communication
the
front
board’s
MHz
crystal.
is
used
data
bus
to
clean-up
logic
the
flexibility
I/O
function
functions
R68C552J
with
the
microprocessor’s
taking
stream.
the
uses
To
DACIA
the
interrupt
arrived.
two
separate
serial
microcontroller
and
end
to
devices
boards.
provide
bits
many
and
which
of
as
as
serial
on
the
and
details
would
the
interface
the
system
the
front
IC16
and
parallel
coordinate
handles
infor-
hand-
procedure
channels.
via
IC18
rear
panel
and
is
used
This
simplifies
and
the
a
general
pieces
of
the
of
system
need
since
requires.
panel
mem-
IC17
the
and
of
to
main
inter-
the
more
it
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
13
Theory
of
Operation:Main
CPU
Board
#
2403
Service
Manual:
Model
7000
brane
generated
which
events
1.4.9
tem
configurations
ding
and
switches
1.4.10
ties
the
pin
sound.
4.15
goes.low
speaker.
GEN
line
keys,
that
The
parameters.
on
the
The
in
addition
LBWE
7
drives
volt
the
if
activity
the
microprocessor
are
Cal
switches
four
DIP
the
system
LBRE
are
then
Sound
SN76476N
line
IC50A
threshold
(after
The
CS
line
for
the
processor.
controlled
Generator
IC50B
READY
by
battery
is
switches
These
and
alter
hardware
lines
are
present
programmable
to
the
video
is
low,
pin
prevents
on
time
constant
line
IC40C,
state,
detected
uses
by
software:
(S1)
switches
the
program
which
low,
this
on
D@-D7
output
IC46
is
5,
which
audio
pin
3
it
output
of
of
of
IC46
is
then
and
the
on
the
as
a
on
the
allow
causes
to
sound
of
enabled
in
IC50A
R49
pin
inverted
I/O
lines.
time
base
CPU
the
if
needed
is
present.
IC33D
be
read
generator
the
CRT
and
turn
drives
until
the
(junction
and
C65)
4
drives
by
mux
lines
Also
generated
for
board
by
receives
are
processor
so
the
IC48
pin
the
processor.
IC46
display.
O1,
junction
of
R51
O2
is
IC43D
IC43A
are
monitored
is
the
marking
used
to
appropriate
is
enabled
11
to
gives
When
input
if
of
and
turned
which
which
the
to
define
recognize
go
low.
the
pin
from
O1
is
R49
and
R52).
on
and
is
develops
and
timer
occurrence
and
different
actions
when
The
system
8
of
IC26
data
lines
enabled
C65
When
audio
gated
the
interrupts
output
of
set
certain
are
taken
IC26
pin
condition
audio
goes
DG-D7.
the
speaker
charges
pin
1
may
pass
with
the
TONE
are
(TOUT),
certain
sys-
hardware
depen-
6
(CS6)
of
S1's
capabili-
low,
and
IC46
may
past
the
of
IC50A
to
the
SOUND
DTACK
1.4.11
and
to
When
goes
this
1.4.12
The
then
the
low
data
LED
LED
LEDs
the
is
Wait
Running
in
a
normal
problem,
sor
know
when
ensures
this
this
to
it
that
system
a
circuit
satisfy
latch
latch
IC44
maintains
processor
which
then
State
at
bus
peripherals
when
is
ready
only
are
called
the
requirements
that
is
limited
enables
latched
Generator
8
MHz,
cycle
some
for
valid
of
the
a
addresses
in
extra
programmable
lets
the
microprocessor
state
without
by
R32-R41
IC26
IC44.
by
the
to
collect,
the
the
The
IC44
until
MC68000
convert
MC68000
time
is
processor
information
MC68000
of
family
the
individual
further
and
switched
pin
9
(LATCHES)
processor
written
does
to
not
and
family
required
is
to
proceed.
given
and
and
Wait
State
control
input
from
by
then
writes
again.
allow
present
have
a
DTACK
that
it
This
to
the
processor.
do
not
provide
Generator
devices.
If
the
state
the
microprocessor.
5
transistor
and
LBWE
to
IC44
some
of
its
the
requested
control
should
wait
synchronizes
Not
a
DTACK
takes
a
device
of
the
front
array
go
on
Q3
low,
data
peripherals
data.
To
line
to
for
the
device
data
all
of
the
signal.
control
has
its
and
own
panel
The
LEDs
current
(CA3046).
IC24C
lines
enough
alleviate
let
transfer
DO-D7,
the
proces-
to
pin
time
this
signal
and
peripherals
To
correct
can
be
varied
DTACK
line,
8
in
Page
14
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Service
Manual:
then
the
Model
that
data
7000
supersedes
as
soon
as
the
it
is
available.
S0j
81]
Wait
S2|
83]
State
S4
|SW|
generated
Sw]
sw|sw]
Theory
signal
$51
56 | $7
so
of
Operation:Video
that
the
Controller
processor
can
#
2404
process
1.5
Video
A1-A23 一 一
LOAD
RPC
Mt
OCP
DECODER
OUTPUTS
=
DTACK
Controller # 2404
HE
OC
e
CDH
ОЕ
ОЕ
5007-90-P3
1.5.1
play
HD63484
distance
history
en.
1.5.2
(Host)
MEMORY)
Buffer
the
CHANNEL,
horizontal
the
Introduction
The
video
for
a
medical
Advanced
viewing
of
stored
Block
The
ACRTC
and
data.
5
MHz
sync
CRT.
display
monitoring
of
waveforms.
diagram
handles
the
CRT.
manages
The
system
2CLK
and
PIPELINE
pulses,
Preliminary
system
CRT
important
operation
The
the
signal
was
device.
Controller
All
most
interface
control
timing
for
CHANNEL.
are
generated
designed
(ACRTC).
parameters,
display
of
between
and
is
generated
the
ACRTC,
Documentation
20-Jul-89
The
heart
detailed
modes
the
system
timing
by
the
to
Both
provide
of
the
Different
views
and
user
interface
the
ACRTC
signals
by
CLOCK
LOAD
HSYNC
ACRTC’s
(Rev.P3)
a
high
video
operating
of
variable
and
for
the
GENERATOR
PULSE
and
Timing
resolution,
display
current
between
CRT
system
modes
physiology,
settings
the
the
CRT
and
GENERATOR,
VSYNC,
Processor
-
highly
(including
the
visual
is
the
Hitachi
allow
are
microprocessor
which
the
and
for
and
menu
Video
Video
Frame
produces
SCROLL
vertical
are
fed
Page
long
trend
driv-
dis-
and
to
15
Theory
of
Operation:Video
The
tion
depending
ADDRESS
with
the
MAD
address
The
which
NEL
which
through
Controller
MAD
LATCH
VIDEO
lines.
The
is
on
the
data
flow
controls
in
the
VIDEO
#
2404
lines
(0-15)
upon
grabs
ATTRIBUTE
MEMORY
MAD
from
the
data
turn
take
CONTROL
the
CONTROL
and
lines
MEMORY
flow
the
may
contain
holds
LATCH
CHIP
and
accessing
through
parallel
to
the
either
SIGNALS.
the
data
when
SELECT
Frame
is
determined
the
SCROLL
MEMORY
CRT.
address,
When
for
a
read
video
enables
attribute
Buffer
by
data
off
data,
address
cycle.
the
appropriate
MEMORY.
the
LOAD
CHANNEL
the
MAD
Service
or
video
A
similar
information
attribute
information
chips
PULSE
and
PIPELINE
lines
and
Manual:
operation
is
Моде!
informa-
is
present
when
GENERATOR
CHAN-
feed
it
7000
present
occurs
on
the
a
valid
serially
HOST
ACRTC
cs
1.5.3
|
CRT
CONTROLLER
1
ACRTC
MAD<0:15>
1
18-BIT;
MPU
DATA
|
=
т
|
ar
—İrs
|
55
|
—
~<
IRQ
Pro
M
DTACK
—b | RESET
1
ACRTC-Host
>
ATTRIBUTE
MA16
MA17
2CLK
MCYC
二
DRAW
DER
e
CU
AS
HSYNG
VSYNC
CONTROL
SIGNALS
GENERATOR
HSYNC
VSYNC VSYNG
microprocessor
VIDEO
LATCH
ADDRESS
LATCH
CLOCK
LO.
system
He
interface
LATCHED
VIDEO
ATTRIBUTES
A0 - A15
MEMORY
CHP
|
SELECT
16
GENERATOR
->
BIT
DATA
SCROLL
CHANNEL
CONTROL
Å
LOAD
PULSE
+
RAM
|
96
K
(192
К
1
1
SCROLL
Back
MM
À
CONTROL
MEMORY
WORDS
BYTES)]
VIDEO
|
64
(128
|»
ROM
K
WORDS
К
BYTES)
Y
PIPELINE
WIN
HANNEL
A
VIDÉO
HSYNC
og
Page
16
The
host
at
a
speed
and
a
few
address
the
uses
spaces.
proper
the
responds
transmit
cycle.
tied
to
data.
The
the
Instead
cycle
by
grammed
to
the
of
8
MHz.
control
To
decoding
R/W
through
line
DTACK
Data
ACRTC
low
order
of
waiting
sending
condition
Preliminary
ACRTC
The
Host
signals.
The
access
of
address
to
signify
(DaTa
is
then
placed
register
address
the
has
line
for
the
68000
occurred
is
the
Motorola
communicates
ACRTC
the
ACRTC
lines,
data
chooses
direction
ACKnowledge)
on
the
selection
Host
a
in
IRQ
the
to
is
68000.
talk
which
which
Documentation
20-Jul-89
MC68000
with
appears
the
as
Host
one
of
(either
to
bus
and
specified
to
by
the
informs
needs
to
16-bit
the
ACRTC
a
peripheral
selects
the
the
2
ACRTC
“read”
signify
this
completes
the
RS
ACRTC,
the
microprocessor
be
taken
(Rev.P3)
microprocessor
through
on
ACRTC
the
a
bus
base
specific
or
“write”).
that
it
is
ready
line
the
care
either
on
ACRTC
of
the
as
the
ACRTC
soon
which
16-bit
data
occupying
address
addresses
The
ACRTC
to
receive
read
or
which
can
initiate
that
a
prepro-
as
possible.
5007-90-P3
runs
bus
2
by
and
or
write
is
the
Service
Manual:
Model
7000
Theory
of
Operation:Video
Controller
#
2404
After
to
power
the
the
DACK
has
used
ate
the
ing
address
find
Also
proper
system
a
1.5.4
The
the
external
The
cycles.
receiving
16-bit
to
an
cause
the
out
on
the
microprocessor
is
first
applied,
initialization
gives
(Dma
The
CRT
assist
timing
Video
lines,
ACKnowledge)
data
bus
ACRTC-CRT
interface
the
and
hardware
Frame
Under
the
memory
MAD
Buffer
ding
on
Frame
address
IRQ
from
the
of
the
sequence
the
ACRTC
as
opposed
includes
ACRTC
control
provides
Buffer
its
control
and
MA
Address,
present
Buffer.
and
attribute
the
ACRTC
interrupt.
side
ACRTC
can
a
hardware
line
to
8-bit.
interface
the
in
controlling
signals
the
required
Memory
are
read
line
and
lines
Raster
state
Separate
provide
of the
status
of the
needs
take
reset.
which
needed
latches
is
signals
the
logic
is
managed
the
multiplexed
the
display
Address,
ACRTC
so
they
the
Host
ACRTC
to
be
placed
place.
When
tied
high
generated
CRT.
to
execute
between
either
or
in
the
remain
addresses
is
the
into
Pulling
The
by
drawing
Frame
Attribute
needed
hardware
the
to
tell
by
ACRTC
the
the
the
Drawing
address
valid
during
the
ACRTC
the
Host
line.
Buffer
for
the
ACRTC
reset
line
control
a
known,
RES
the
ACRTC
internal
system’s
ACRTC
and
information
manipulating
capture
the
predefined
line
is
reset
ACRTC
and
Processor
data
Data,
the
cycle.
Status
line.
low
on
power-up,
it
looks
that
the
and
the
hardware
processors
commands
the
CRT:
during
lines,
Frame
depen-
current
the
the
Register
When
state
so
at
the
system
gener-
while
draw-
raster
It
is
display
sors
and
The
grammed
MRD
between
cycles
displayed
of
DRAW
cycles,
play
the
cycles.
character/graphic
MAD
CUD
these
dow
generation
into
2CLK
All
(Memory
the
ACRTC
and
indicates
in
the
pipeline
video
the
works
and
with
with
periods.
responsibility
In
addition
signal.
and
MA
lines
1 & 2
signals
in
the
of
the
timing
is
timing
are the
to
superimposed
the
ACRTC
control
the
basic
events
ReaD)
superimposed
HSYNC
of the
to
the
line
and
the
whether
registers.
shift
MRD
to
Display
MAD
during
display
cursor
indicates
Frame
the
background
display
to
define
inhibit
Processor
and
MA
cycles.
generation
load
produce a blinking
mode.
timing
registers
ACRTC
can
be
signals
and
clock
traced
2CLK.
and
back
the
direction
Buffer
ACRTC
mode
pulse
to
lines
the
during
or
to
Frame
generation
manage
signals.
background
for
the
CRT
is
derived
to
this
clock
of
memory
window
enable
screens
load
Buffer
in
the
processor
The
area
also
system
under
depends
from
the
Dot
source.
data
flow
drawing
pulses
drawing
non-dis-
Frame
controls
uses
the
win-
on
the
Clock.
The
Dot
are
Buffer
the
values
during
cur-
pro-
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
-
Page
17
Theory
of
Operation:Video
Controller
#
2404
Service
Manual:
Model
7000
Clock
is
and
MCYC
this
AS
has
Buffer
pulse
HSYNC
display
video
DRAW
2CLK
CRT
VSYNC
flicker
runs
at
used
to
latch
enable
is
(Address
been
load
is
manufactured
used
to
placed
address
generation.
is
the
line
beam
to
inhibit
to
latch
scan
line.
is
the
free
display.
20
pulses.
control
Strobe)
and
horizontal
and
to
the
vertical
DISP 1 & 2 are
video
signal
during
MHz
the
on
the
that
start
load
the
video
the
retrace
and
the
video
memory
provide
active
attributes,
by
signifies
MAD
sync
horizontal
of
the
pulses
attributes
sync
pulse.
video
periods.
2CLK
the
chip
lines.
qualification
pulse
during
runs
control
ACRTC
selects
that a valid
retrace
next
signals.
and
AS
is
to
indicate
should
line.
HSYNC
non-display
at
the
This
is
They
at 5 MHz.
memory
at
1/2
2CLK
enable
Frame
used
to
to
chip
the
occur
beginning
set
to
57
are
It
is
2CLK
chip
(2.5
load
pulses.
Buffer
latch
selects
end
of a current
to
is
also
periods
of
Hz
to
used
to
selects
MHz),
address
the
Frame
and
bring
used
and
each
present
blank
that
load
the
with
with
new
a
the
1.5.5
and
a
then
proper
address
used
is
1.5.6
MAD
held
pulse
1.5.7
ADDRESS
To
make
data
Frame
puts
memory
is
to
control
placed
VIDEO
The
Video
lines
for
for
MEMORY
share
Buffer
out
on
the
latches
When a Frame
be
selected
one
chip
supplying
uses
higher
EPROM
IC11A
regions,
and
efficient
the
access,
the
location
valid,
the
hardware
the
lines.
ATTRIBUTE
Attributes
carry
entire
IC4
(chips
order
IC9B
LATCH
use
of
MAD
the
data.
The
for
ACRTC
Inverter
available
signal
lines
ACRTC
address
the
data
provides
latches
IC24C
and
puts
must
transfer.
IC2
and
is
IC
a
used
LATCH
are
the
Attributes
raster
CHIP
and
line.
ICS
SELECT
Buffer
are
accessed
the
lower
address
with
each
saved
IC11C
which
access
lines
memory
in a similar
during
and
capture
is
requested,
in
pairs
8-bits
and
to
partition
chip
provide a validation
pins
are
put
out
the
be
To
signal
IC3
to
change
the
last
IC25D
the
Attributes
to
provide
the
other
the
pair
signal
the
video
on
address
held
signify
called
to
capture
way
2CLK
combine
one
attributes,
these
for
and
saved
the
the
and
the
polarity
as
explained
period
HSYNC
when
memory
lines
16-bits
the
upper
available
given a unique
by
gating
MCYC,
at
different
the
first
at
this
point
Address
hold
of
of
HSYNC
and
they
become
chip
pair
of
data
8-bits).
memory
2CLK,
Frame
half
of
point
in
the
Strobe
the
address
AS
for
in
section
2CLK
out
for the
The
space
base
starting
Buffer
times.
the
to
cycle
(AS)
while
IC’s
2
1.4.5.
and
need
to
valid.
of
several
ACRTC,
decoder
into
RAM
and
AS
address,
During
cycle
select
when
which
and
the
the
is
data
and
3.
The
to
be
produce
must
with
IC8A
and
address.
(a
chip
a
Page
18
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Service
Manual:
Mode!
7000
Theory
of
Operation:Video
Controller
#
2404
select
valid
IC14B
the
fers
data
nals
for
1.5.8
is
removal).
EPROMS
tionally
fonts
64 K words
words
1.5.9
pulse
address
and
memory
The
RAMs
data
from
into
the
the
circuitry
memory
MEMORY
The
Frame
volatile
The
are
removed
and
other
of
addressable
CLOCK
can
only
has
IC11D
at
the
proper
need
the
memory
RAM
creates
writes.
Buffer
(it
can
RAM
not
so
from
static
of
RAM
GENERATION
be
generated
been
placed
serve
to
time.
to
know
to
from
the
a
data
contains
be
read
space
volatile.
ACRTC
is
the
information
and
64 K words
on
clock
circuit
validated
if
the
the
ACRTC,
Drawing
direction
two
and
written
used
Data
which
memory.
if
the
the
MAD
ACRTC
Processor.
signal
types
of
to
as
video
placed
to
in
be
reprogrammed.
needs
of
EPROM
ACRTC
lines.
chip
select
is
executing
or
a
memory
By
which
memory:
repeatedly
memory
them
will
to
be
located
has
asserted
Gates
combining
to
used
IC24D,
pulses
a
memory
write
is
high
RAM
but
hold
not
be
The
over and
in
from
and
looses
dynamic
the
AS),
the
read
cycle
the
MRD
for
memory
EPROM.
lost
unless
EPROMS
first
signifying
E,
F;
address
cycle
which
and
its
data
screen
the
are
over
again.
half
of
that
IC13A,
decoder
which
will
place
DRAW
reads
RAM
and low
memory
with
displays.
chip
is
used
to
There
the 2 Mega-
a
B,
C;
to
trans-
new
sig-
power
The
inten-
hold
are
The
entire
ing
pulse
by 4 through
1.5.10
Data
carefully
latch
of
information
ground
with
arrive
IC9B
controls
2CLK,
every
To
monitors
nals
superimpose
es
or
derived
IC10
LOAD
retrieved
coordinated
the
data
and
window
the
MCYC
at
the
video
uses
AS
timing
MCYC
eighth
dot
inhibit
both
are
active.
window
IC14C
superimposed
video
mode
attribute
to
the
Video
ACRTC
directly
to
PULSE
from
from
the
is
sent
periods
shift
and
MCYC
pulses
and
clock
load
DRAW
The
for
load
mode.
to
channel
Pipeline.
circuitry
from
produce
the 5 MHz
GENERATOR
the
Frame
manner.
video
to
the
screens,
of
registers
to
(generated
another
into
pulses
and
timing
gates
during
HSYNC,
last
are
produced
pulses
Gates
IC25C,
regular
runs
synchronously
the
Dot
Buffer
The
load
memory
display.
two
the
signify
To
sets
ACRTC.
at
the
that
by
IC15C)
pulse
IC14 A and
cycles
turning
signal,
MRD
by
which
IC16B
loads
Clock
at
of
oscillator.
2CLK
pulse
signal.
for
display
circuitry
the
precise
set
the
load
These
proper
a
valid
display
pulses
pulses
time
address
through
generated
C.
reserved
gates
IC14A
determines
selectively
trail
the
turning
regular
and C and
for
interleaved
off
the
2CLK
The
needs
generates
moment
up
must
need
and
in
has
gate
by
IC10
for
non-display
and C off
if
on
loads
IC6C
or
which
20
MHz
to
be
sent
the
so
that
for
superimposing
be
generated
to
be
the
correct
been
placed
IC6B.
Then
to
produce
offset
IC14A
by 8 dot
work
offset
with
loads
is
the
Dot
Clock
out
to
the
control
a
signals
continuous
which
channelled
sequence.
on
IC15C
one
periods,
when
load
for
those
pulses
regular
clocks
MODE_SELECT
for
superimposed
master
is
divided
CRT
which
stream
the
back-
tim-
coincide
so
they
Flip-flop
the
bus
combines
load
pulse
gates
IC6D
two
for
load
puls-
in
in
a
and
sig-
the
the
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
19
Theory
of
Operation:
Video
Controller
#
2404
Service
Manual:
Model
7000
1.5.11
convert
channels,
zontal
(Video
offset
buffer
lowing
first)
IC31
pair
1C27.are
HDS0-3
possible
multiplexers
shift
position
the
the
putted
position.
address, a new
ly
SCROLL
The
video
it
pixel
Pipeline)
load
The
scroll
data
dot
and
and
are
The
current
register
from
HDS
shift
to
across
into
one
scrolling
pulses
into
clock,
shifts
IC32.
full
and
filled
lines
16
will
IC33
display
lines
register
the
The
the
screen.
CHANNEL
shift
registers
a
serial
used
for
which
to
latch
channel
the
first
the
down
After
the
with
the
background
at
the
begin
and
video
above
video
9
and
indicated
output
mixers,
bits
below
starting
stream
the
(Scroll
does
the
uses
pair
frame
one
16
dot
first
next
start
of
that
IC34
fed
that
line
bit
&
PIPELINE
take
parallel
of
information
background
Channel)
not
support
video
data
regular
of
scroll
buffer
bit
at
a
clocks,
pair
are
Data
word.
screen’s
each
raster
current
to
will
into
for
and
bit
position
display
determine
be
taken
Video
the
display
that
on
10
are
frame
screens
and
off
load
pulses
channel
data
time
into
16
shifts
empty.
start
scan
from.
Mixer
bit
would
each
new
ignored
is
selected
CHANNEL
buffer
for
which
one
smooth
of
the
data
shift
leaves
the
have
A
new
dot
address
line
line.
which
New
IC17A
should
be
dot
and
and
display
the
CRT.
is
is
used
scrolling
bus.
which
registers
the
output
second
taken
load
to
determine
The
HDS
data
There
designated
for
but
it
uses
IC26
of
scroll
place,
pulse
is
is
placed
lines
corresponding
data
is
continually
via
the
multiplexers.
start
with
the
selected
clock
not
the
by
the
next
displayed.
display
off
of
are
two
to
allow
the
superimposed
can
use
to
parallel
and
IC27.
IC26
(least
channel
the
second
generated
on
the
which
control
output
10th
the
By
appears
one
line
shifted
bit
multiplexers
bit
would
updating
the
data
separate
smooth
either
shift
gates
of
regular
load
the
On
significant
register
shift
and
IC26
video
bit
out
IC25E,
of
the
into
For
example,
the
data
to
be
fed
the
to
move
bus
and
video
hori-
window
or
frame
each
fol-
bit
pair
register
and
attribute
of
the
and
second
this
bit
if
word,
be
out-
to
this
start
dot
smooth-
The
video
scrolling,
the
window
there
is
separate
or
window
1.5.12
active
data
sent
and
active
play
attribute.
VIDEO
The
video
streams
to
the
2
signals
video
format
pipeline
non-superimposed
during
control
or
both
can
its
cycle
in
screens.
CONTROL
video
output
period.
sending
CRT
depends
from
cycle.
or
inverse
sends
Video
the
the
ACRTC
Gates
IC16A
video
either
display
in
the
any
display
the
mixer
result
on
the
black
be
loaded
of
video
superimposed
mode
serialized
IC17A
into
gate
control
and
and
signal
inhibits
IC12C
on
white
with
data,
to
selectively
display
combines
IC7A.
from
the
video
select
is
regular
or
with
offset
display
the
mode.
information
video
Whether
IC12D
output
whether
chosen,
this
load
pulses
load
For
enable
to
pipeline
the
mixed
which
if
the
a
regular
is
to
provide
pulses
each
or
disable
the
and
for
video
background
CRT
scroll
video
monitors
system
white
controlled
the
is
on
by a video
non-
latching
channel
during
channel
signal
DISP
not
in
black
the
gets
1
the
dis-
Paga
20
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3
Service
Manual:
Model
7000
Theory
of
Operation:Video
Controller
#
2404
1.5.13
Test
Monitor
SIGNAL
2CLK
MCYC
MCYC
HSYNC
HSYNC
VSYNC
DOTCLOCK
DISPI
DISP2
DISP1+2
AS
ASCINVERTED)
MRD
WE
DRAW
MAD
CS
LINES
LOAD
SCROLL
PIPELINE
PIPELINE
SCROLL
VIDEO
Points
the
NAME
(INVERTED)
(INVERTED)
0-17
LOAD
LOAD
VIDEO
VIDEO
OUTPUT
following
points
with
SIG.
DESCRIPTION
5
MHz
2.5
MHz
2.5
MHz
30.3
KHz
30.3
KHz
37Hz
20
MHz
BACKGROUND
WINDOW
DISPI
and
ADDRESS
2.5
MHz
2.5
MHz
VERIFY
APPEAR
VERIFY
VERIFY
VERIFY
CHIP
SELECTS
2.5
MHz
1.25
MHz
1.25
MHz
VERIFY
VERIFY
VERIFY
an
oscilloscope
SCREEN
SCREEN
DISP2
STROBE
TRANSITIONS
TRANSITIONS
TRANSITIONS
TRANSITIONS
TRANSITIONS
TRANSITIONS
TRANSITIONS
to
verify
proper
TEST
POINTS
Ul1-1;
Ul-53;
U11-9;
U15-10
U11-2;
U1-56;
U15-9
U244
U25-8;
U11-10
U6-12
U25-12
U31-8;
U32-8;
U26-7; U27-7;
U29-7; U30-7;
U12-2
TIME
30.3
U12-13
TIME
303
U7-9
30.3
KHz
U13-1; U13-9;
U13-3; U14-5;
U9-10;
U9-9
U2-11;
U3-11
U16-12;
U14-1
PIN
27
OF
(018-023)
U16-13
AND
U14-9
U27-15
U30-15
U17-2
ALL
U3
AND
PIN
PIN
RAMS
U6-13;
U2
INPUTS
OUTPUTS
U18-U23
U38-U39
U14-13;
U26-15;
U29-15;
U17-13
U17-1;
U7-8
operation:
KHz
KHz
20
20
5007-90-P3
Preliminary
Documentation
20-Jul-89
(Rev.P3)
Page
21
Theory
of
Operation:CO2
Front
End # 2418, # 2421
Service
Manual:
Model
7000
1.6
CO:
Front
1.6.1
the
microcomputer.
end
ed
boards
serial
red
1.6.2
as
by
1
state of
bits
“Expanded
Introduction
The
interface
board
through
link
CO»
Mode 1 Operation
The
well
the
Hitachi
which
After
when
End # 2418
capnometer
between
and
connector
provide
as
well
sensor.
digital
as
the
functions
the
microcontroller
three
pins;
the
Non-multiplexed
interface
It
is
made
the
2418
P3
continuous
as
providing
DIGITAL
front
end
control
HD63701
reset
and
as
follows:
P20, P21,
goes
(2409), # 2421
system
the
infra-red
up
of
(previously 2409)
and
are
real
FRONT
board
timing
microcontroller.
is
reset,
and
high.
Mode”.
designed
COz
two
(2)
connected
time
CO2
all
the
necessary
END
provides
of
the
the
P22.
This
sets
(2407)
by
Cascadia
Sensor
boards;
analog
to
reading
BOARD
the
interface
analog
This
microcontroller
configuration
These
the
microcontroller
(Capnostat™
the
piggyback
external
to
control
#2421
interface
pins
are
Technologies
2421
(previously
board.
circuitry
the
host
signals
(previously
to
the
host
to
the
is
of
the
device
latched
to
Corporation
Sensor)
They
through
microcomputer
to
the
and
2407)
are
interconnect-
P208.
Capnostat™
2407)
microprocessor
CO2
Sensor.
set
up
is
into
the
Mode 1 which
It
to
operate
determined
program
the
digital
front
These
through
infra-
system
is
operated
in
Mode
by
control
is
called
is
host
two
a
the
In
Mode
P10-P17)
address
Finally,
port.
which
opens.
tions
transmit
1.6.3
by 4 to
by
down
(Auto
trol
1.6.4
ate
Motorola
lines
port 2 (P20-P24)
P22
monitors
Pin
to
the
data)
System
The
crystal
provide
512
to
further
Zero)
acquisition
Mode
In
order
in
mode 1 on
1,
port 3 (pins
functions
as
A8-A15.
is
configured
XDUCER
P20
is
configured
host
processor.
of
the
serial
clocks
frequency
the
system
establish
(on
and
the
piggyback
S/H
of
CO2
configuration
to
correctly
power
MC14053
analog
P30-P37)
address
Pin
SC1
is
configured
as a 4800
DISC, a signal
as
Pins
link.
input
clock
4800
(Sample
data.
support
write
up,
multiplexer/demultiplexer
lines
on
Hz
DTR
P23
to
the
output
Hz
clock
board
and
hardware
to
pins
and
functions
A0-A7,
port 3 is
unused
as a combination
clock
output,
which
which
is a handshaking
and
P24
are
HD63701
on
the
E pin
out
on
which
Hold)
P20-P22
then
will
signals
on
switch
as
the
data
and
port 4 (P40-P47)
and
pin
I/O
P21
is
configured
is
generated
the
RXD
is
2.4576
MHz,
of the
P22.
This
4800
be
explained
which
the
pins
are
the
HD63701
P20-P22
(IC1)
bus
bits
DO-D7,
SC2
acts
and
serial
as a TTL
when
line of the
and
TXD
this
frequency
HD63701
Hz
is
later)
two
so
is
main
it
is
to
I/O
used.
to
port 1 (pins
is
configured
as a R/W
communications
level
the
CO2
serial
and
configured
On
communica-
(receive
ultimately
generate
pulses
is
data
is
also
that
divided
divided
divided
the
to
function
system
lines,
reset
as
signal.
input
sensor
and
AZ
con-
oper-
a
an
Page
22
Preliminary
Documentation
20-Jul-89
(Rev.P3)
5007-90-P3