Page 1
SERVICE
MANUAL-UNIT
DIGITAL
9807
SCOPOFIX
721
0.001
MDP
Copyright
(c)
1988
EINDHOVEN
IPSC
:
NEDERLANDSE
THE
Best
PHILIPSBEDRIJVEN
NETHERLANDS
B.V.
9807
721
0.001
(88.0)
page
1
Page 2
Page 3
DIGITAL
TYPE
LIST
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
21
22
23
24
SERVICE
SERIAL
OF
1
19
MANUAL-UNIT
SCOPOFIX
NR:
NR:
PAGES
(88.0)E
(88.0)E
(88.0)E
(88.0)E
(88.0)E
(88.0)E
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(88.0)E
9807
AND
MDP
721
DRAWINGS
0.001
21-1
71-2
22-1
22-2
9807
721
(85.0)
(85.0)
(85.0)
(85.0)
0.001
PRINTING
(88.0)E
INSTRUCTIONS
:
4522
983
page
14171
2
Page 4
Page 5
DIGITAL
SCOPOFIX
MDP
CONTENTS
INTRODUCTION
PURPOSE
ITEMS
EQUIPMENT
TECHNICAL
.
e
PUN-
μα
+
INSTALLATION
INTRODUCTION
+
TOOLS
la
.
PROGRAMMING
INSTALLATION
ro
AND
SUPPLIED
IDENTIFICATION
DATA
Dimensions
Electrical
Environmental
Applicable
AND
TEST
TECHNICAL
Data
Data
Standards
EQUIPMENT
FACILITIES
INSTRUCTION
DATA
Ur
UT
UT
Y
10
.
SETTENG
INTRODUCTION
EQUIPMENT
CONTROLS
ADIUSTMENT
SETTING
CORRECTIVE
INTRODUCTION
EQUIPMENT
.
ADJUSTMENTS
REPLACEMENTS
P
.
FAULT
PP
.1.
Introduction
unn
.2.
Power
mu
.3.
MDP-
PP
TA
WORK
REQUIRED
AND
FACILITIES
IP
AND
MAINTENANCE
REQUIRED
FINDING
Supply
Function
INDICATORS
TESTING
PROCEDURE
li
li
11
li
13
14
14
14
15
15
15
16
16
9807
721
0.
001
(88.0)E
page
3
Page 6
DIGITAL
SCOPOFIX
5.
CIRCUIT
5.1.
5.2.
MDP
DESCRIPTION
INTRODUCTION
AD-BOARD
21
21
5.3.
NOISE
5.4.
MEMORY-
5.5.
SUBTRACTOR-
5.6.
CONTROLLER-
DRAWINGS
SUPPLY
SIMPLIFIED
WIRING-RACK
LAY-OUT
REDUCER-BOARD
BOARD
DIAGRAM
+
+
WIRING
BOARD
BOARD
CCD
CONNECTOR
LIST
MEMORY
LOCATIONS
22
22
23
24
21-1
21-2
22-1
22
-2
9807
721
0.001
(88.078
page
4
Page 7
DIGITAL
1.
INTRODUCTION
1.1.
PURPOSE
The
Medical
with
image
kidney
1.2.
ITEMS
ー
MDP
built
-
Front
-
Installation
4x
4x
1.3.
EQUIPMENT
The
type
SCOPOFIX
processing
Dual
MDP
AND
image
Lithotripler,
SUPPLIED
in a rack.
plate.
material
screw
screw
M4
to
M6
to
IDENTIFICATION
numberplate
TECHNICAL
Processor
capabilities,
:
mount
mount
is
mounted
the
the
MDP-rack
DATA
9807
for
frontpanel.
on
the
721
use
in
front
00001
the
is a digital
in
surgical
BV 25
(left
X-Ray
trolley.
inside)
video-image
systems
of
the
memory
and
rack.
1.4,
TECHNICAL
1.4.1.
Height:
Width : 412
Depth : 435
Weight:
1.4.2.
(1)
-
-
-
-
Two
-
-
~
AD
(2)
Supply
Supply
Turn
Leakage
Dimensions
300
25
Electrical
The
MDP-unit
Powersupply.
Controller
Noise
Subtract
Local
reducer
memory
Control
pcb.
Power
voltage : 220V + 10%
current
on
current:
current:
DATA
mm
mm
mm
kg
pcb.
pcb's.
pcb.
supply:
: < 2A
Data
comprises:
pcb.
pcb.
<
254
<
3.5 mA.
50/60
Hz
(3)
Video
Source
Video
Sync
TV-line
9807
input
impedance:
amplitude
amplitude
systems
721
0.001
(connector
75
Ohm
:
1100
mV + 5%
:
300
m
:
CCIR
625
2x
313
ELA
525
2x
263
WHD-X3)
+
50
lines/
lines/
lines/
lines/
mv
50
60
50
Hz
interlaced
Hz
non-interlaced
60
Hz
interlaced
Hz
non-interlaced
(88.0)E
or
or
page
5
Page 8
DIGITAL
(4)
video
Impedance
Bandwidth
Video
Sync
amplitude:
amplitude
SCOPOFIX
MDP
output 1 and 2 (connector
:
75
Ohm
: B Mhz
1100
mV + 5%
:
300
mV + 50
mV.
WHD-X4,
WHD-X5)
(5)Remote
-
All
command
ー
All
inputs
-
Input
-
Input
-
Input
-
All
outputs
-
Output
-
Output
function
START
MEMI
MEM2
LIH
ER
NR
1
NR
2
NR
3
NR
4
GAMMA
GAMMA
SUB1
SUB2
INVERT
TRACE
disk
reserved
0V
control
impedance
voltage
voltage
voltage
voltage
interface
lines
are
are
are
low
pass
HIGH : >3.5V.
LOW
:
buffered
HIGH : >3.5V
LOW
INPUT
:
1
2
option
1,3,5,7,9,15,18,23,26
(connector
5V
LOCMOS-compatible
filtered,
47
Kohm.
<1.5V.
and
(at
:
<0.5V
(at
pin
08
10
11
13
14
19
20
21
22
24
25
27
28
16
12
02
,04 ,06
41,45
protected
-1mA)
.
+!mA).
WHD-X2):
and
with
function
ident
Ident
Ident
Ident
Ident
Ident
Ident
Ident
BUSY
*5V/500
SPAREL
SPARE2
disk
ov
active
diodes.
|
2
3
4
5
6
7
8
option
OUTPUT
ohm
29
HIGH.
,34
,36
,39
pin
30,32
,43
,47
38
40
42
44
46
48
50
49
37
31
35
33
8
lines
Ident
9807
MDP
rear
view
Figure
1.1 : Remote
are
reserved
1
Single
2 : Dual
3 : Disk
4 : Subtraction
5 : Zoom
6 : Gamma
7
Contour
8
Spare
721
0.001
|
frame
frame
option
option
store + averaging
correction
correction
49
46 04
48 03
|
50
47
control
for
automatic
store
(future
interface
+
averaging
feature)
(future
connector
identification
+
integration
feature)
(88.0)E
…
05
01
02
WHD-X2.
of
|
|
the
|
different
memory
page
units,
6
Page 9
DIGITAL
SCOPOFIX
MDP
1.4.3.
Ambient
Relative
.4.4.
pa
-
UL
-
CSA
-
HHS
-
IEC
-
CISPR
-
FCC
-
VDE
Environmental
operating
humidity:
Applicable
478.
022.2
certified,
435.
rules
871
11
nr.
and
CFR
level
temperature:
85%
Standards
154.
11A,
47
part 2 and
B.
Data
RH.
+10
15.
°c
to
+40
ο
°C.
9807
721
0.001
(88.0)E
page
7
Page 10
DIGITAL
2.
2.1.
The
Service
2.2.
This
2.3.
SCOPOFIX
INSTALLATION
INTRODUCTION
instructions
Manual
TOOLS
equipment
PROGRAMMING
AND
MDP
to
install
that
of
TEST
EQUIPMENT
can
be
FACILITIES
NOISE
RED
u
installed
the
particular
MEMORY
MEMORY
BOARD
BOARD | SUBIRACTOR
15
[Ae
Xi
Eh
ーーー:
3
3
ューー
テ
xa
wo
ーー
ーーーー
MDP-unit
system.
with
r
x
ror
aj
3
a
standard
7
52
in
a
CLO
CONTROLLER
RESERVE
system
toolset.
DONE
RESERVE
will
be
ER
7
-|
found
in
the
1
|
я
ин
7
Figure
(1)
Controller-board
Dependent
to
be
set
(2)
AD-board
Switch
pattern,
(3)
Figure
switches
Figure
WHDI1:S1
Subtractor-board
2.2
WHD19:S1-S4.
2.3
2.1
upon
the
in
the
(WHD11)
gives
explains
:
Switches
TV-Line
position
gives
a
simplified
the
ーーーーーーーーーーーーーーー
and
(WHD25)
1-2
the
service
(WHD19)
function
(o
jumpers
system
(50
diagram
of
the
Hz)
engineer
of
the
at
the
applied
or
1-3
to
locate
switches
front
(60
the
possibility
х
jl
=
of
the
video
Hz).
the
WHDI9:S1-s4.
the
electrical
κ
rack.
m
jumper
to
use
position
20
WHD25:Wl
a
video
of
has
test-
the
9807
721
0.001
(88.0)E
page
8
Page 11
DIGITAL
SCOPOFIX
MDP
Sor
Sah | mare
VERİ
이
al
<p
Le
US
usa
Figure
ls
2.2 : Simplified
switch
---------
sl
82
|
select
キーーーーーーーーー キ ーーーーーーーーー ニ ーー
si
diagram
|
0 4
1
2
3
0
1
2
3
y
nos
Soon
si
of
selected
multipl.
multipl.
dre
tose
the
Subtractor-board
function
ニー
ニー
fact.
2
1
0.5
fact.
4
2
1
0.5
ニーーー ニ ーー
(SUBI)
(SUB2)
E
(WHDI9).
ニーー
Figure
9807
84.2
54.1
53
2.3 : Function
0.001
721
open
closed
ореп
closed
0
1
.
.
.
E
F
of
the
selection
selection
selected
non
selected
black
grey
level
step + 69
0 -
94
%
white
switches
(88.0)E
from
from
memory
memory
mV
S1-S4
$4.1
53
on
the
Subtractor-board
(WHD19).
page
9
Page 12
DIGITAL
2.4.
INSTALLATION
-
Mount
-
Set
jumper
(60Hz).
Check
上
Set
the
application
given
SCOPOFIX
the
the
switches
in
figure
MDP
INSTRUCTION
unit
as
described
WHD25:Wl
off-position
on
(system
2,4,
in
on
the
controiler-board
of
the
the
subtractor-board
requirement).
the
switch
switches | position | function
ーーーーーーーーーー
si
Er
2
multipl.
system
The
Service
WHD11:S1
(WHD19)
factory
fact. 1 for
(WHD25)
on
settings
Manual.
on
the
in
the
SUBI
1-2
(50Hz)
AD-board.
position
of
the
or
required
switches
1-3
for
is
-
Connect
Figure
Figure
s2
53
84.1
2.4. : Factory
board
the
cables
Connector
一 一 一 一 二 一 一 一 一 一 一 一 一 一 一 +-
WHD-X1
WHD-X2
WHD-X3
WHD-K4
WHD-X5
2.5 : The
1
3
closed
(WHD19).
at
the
MDP
|
connections
settings
rear
Function
220V
system
video
video
video
multipl.
non
selected
background.
of
the
of
the
supply
interface
input
output
output
at
the
fact. 2 for
memory
switches
MDP-rack.
1
2
i
rear
of
SUB2
added
Sl - 54
(fig. 2.5.)
the
MDP-rack.
as
on
the
Subtractor-
9807
721
When
parts
power
0.001
the
220V
of
switch
supply-cable
the
unit
is
in
will
the
WARNING
(WHD-X1)
have a 220V
of
position).
(88.0)E
has
been
tension
connected,
(also
when
the
some
page
10
Page 13
DIGITAL
3.
SETTING
3.1.
INTRODUCTION
The
peb’s
to
readjust.
description
3.2.
EQUIPMENT
-
standard
3.3.
CONTROLS
(1)
AD-board
-
Led
WHDIl:Hl
video
SCOPOFIX
TO
are
Therefore
for
The
unit does
boards
toolset
(WHDI1)
(fig.
MDP
WORK
factory
some
because
REQUIRED
AND
INDICATORS
is
lit
3.1.).
adjusted
in
section
adjustments
not
work
of
the
when
the
but
in
case
4.
CORRECTIVE
is
given.
NOTE
properly
high
PLL-oscillator
with
frequency
of a distortion
MAINTENANCE
pcb’s
used.
is
not
on
extender
locked
it
an
with
can
be
nescessary
additional
the
incoming
(2)
Local
On
the
Local
Control
~
DIGITAL
(video
deactivate
commands
in - ADC - DAC - video
lighting).
~
PROCESSING
.
Gamma
activate
correction
GAMMAl
Curve 1 is
Curve 2 is
Subtraction
activate
activate
7
NOISE
MEM]
or
REDUCTION
Control-board
Control-board
are
BYPASS
all
-
local
FUNCTIONS
(curve
intended
intended
or
deactivate
for
for
MEM2,
-
commands
overruled
commands
-
1)
or
contrast
correction
activate
INVERT
by
Remote
out,
(no
LED’s
GAMMA2
enhancement.
of
SUBI
can
be
without
on
(curve
film
or
SUB2
given
Control
to
commands.
memory
the
Local
2)
non-lineairity
initiate
store)
Control
in
the
board
hard
unit.
are
copy
Local
units.
.
Last
image
select a memory
select
no
9807
noise
NRI:
K=1/2
NR2:
K=1/4
NR3:
K=movement
NR4:
K=movement
selection
721
0.001
hold
(MEMI
reduction
of
noise
or
MEM2),
grade
defined
(
K=1/4
activate
defined ( K=1/8
reduction
grade : K=1
->
1/2
->
1/4
(88.0)E
LIH
)
)
and
START
page
11
Page 14
DIGITAL
.
Electronic
select a memory,
select
.
Trace
select
select
NR3,
3.4.
SCOPOFIX
number
NRl:
N=2
NR2:
N=4
NR3:
N=8
NR4:
N=16
a
memory,
white
NRL:
white
NR2:
black
NR4
or
ADJUSTMENT
Radiography
or
no
MDP
activate
of
images
activate
black
selection
FACILITIES
ER
and
for
integration
TRACE
disables
MEMORY
BOARD
5
Ola | の
and
MEMORY
BOARD
7
lm
START
START
the
SUATRACIOR
19
TRACE
n
ECO
CONTROLLER
TE
|
x
—
Figure
(1)
AD-board
-
Potentiometer
(factory
-
Potentiometer
adjusted).
-
Measuring
WHD11:+5V,
-
Capacitor
adjusted).
POWER
SUPPLY
3.1
adjusted
points
WHDI1:C94
|
:
Adjusting
(WHD11)
WHD1l:R1
to
WHD11:R2
on
-3V,
+12V
adjusts
video
adjusts
front
and
-12V.
adjusts
points
amplitude
of
board
the
at
the
the
maximum
the
zero
frequency
ERVE
RES
£
n
front
of
1100 mv).
level
|
1
RESERVE
of
amplitude
for
of
the
the
rack.
for
the
the
AD
convertor
PLL-oscillator
ar
AD
convertor
(factory-
20
(factory-
(2)
Memory-board 1 (WHDI5)
-
WHD15/17:R1
-
WHD15/17:MP
9807
721
0.001
adjusts
I
the
measuring
and Z (WHD17)
output
point
amplitude
for
vídeo
(88.0)E
(factory-adjusted
output,
to
1100
my),
page
12
Page 15
DIGITAL
3.5.
-
Switch
-
Check
INSTALLATION
-
Switch
-
For a new
input-to-output
-
Check
INDICATORS.
SCOPOFIX
SETTING
the
all
power
correct
power
delivered
the
MDP
UP
AND
off.
on.
ratio
processing
TESTING
settings
ALL
LED's
unit
of 1 (at
of
jumpers
on
the
the
AD-
1100
functions
and
Local
and
Memory-boards
mv),
mentioned
switches
Control
and
need
in
as
board
are
no
further
chapter
described
are
on
factory-adjusted
3.3.
in
for
adjustment.
CONTROLS
section
about
|
AND
sec.
to
2.
an
9807
721
0.001
(88.0)E
page
13
Page 16
DIGITAL
4.
4.1.
This
of a faulty
be
4.2.
-
standard
-
multimeter ( Ri>10
-
oscilloscope
4.3.
For
procedure
(1)
(2)
(3)
SCOPOFLX
CORRECTIVE
INTRODUCTION
section
replaced
EQUIPMENT
ADJUSTMENTS
the
correct
Output
Input
offset
Overall
MAINTENANCE
gives
power
and
toolset
gain
gain
MDP
procedures
supply
not
repaired.
REQUIRED
Mohm
(dual
channel)
adjustment
or
)
faulty
it
for
adjustments,
is
nescessary
peb’s.
It
is
to
replacements
the
intension
follow
the
and
that
sequence
identification
pcb’s
of
are
the
to
During
connected
If
measuring
the
video-output
(1)
Output
-
Switch
-
Set
on
-
Connect
of
an
~
Measure
-
Adjust
signal
the
adjustments
to
either a 75
point
gain
the
power
the
AD-board
measuring
oscilloscope.
a
staircase
with
potentiometer
to
1100
WHD15/17:MP
signal,
on.
the
point
pattern
mv.
the
ohm
use
WHD15:MP
outputs
impedance
Lhe
switch
like
WHD15:Rl
|
on
output
WHD11:S1
WHD:X4
or a monitor.
the
Memory
connector
1
of
Memory | or
the
one
on
Memory
and
on
in
WHD:X5
boards
test,
fig.
1
of
(WHD:X4
output
4.1.
the
maximum
the
causes
or
unit
to
WHD:X5).
WHD:X4
amplitude
should
much
to
be
noise
channel
of
the
in
A
9807
Figure
721
-03V
4.1 : The
0.001
generated
test-pattern.
(88.0)E
page
14
Page 17
DIGITAL
-
Connect
of
~
The
be
-
Switch
(2)
-
Disconnect
-
Turn
(ccw).
-
Turn
decrease
-
Tura
(3)
-
Apply
-
Measure
amplitude
-
Adjust
SCOPOFIX
measuring
the
oscilloscope,
pattern
accomplished
the
Input
Overall
offset
the
potentiometer
On
the
the
potentiometer
with
the
potentiometer
on
WHD:X3
on
of
with
input/output-ratio
-
Check
-
Change
measure
-
If
total
the
both
adjustment
adjustment
the
the
ratio“s
MDP
point
on
channel
by
the
test-switch
any
input-signal
oscilloscope
steps
gain
(1:1)
video
WHD:X3
potentiometer
and
the
video-signal.
must
connection
amplitude
are 1 then
procedure
WHDI7:MP
B
must
adjustment
WHDIL:S1
WHD17:R2
WHD17:R2
of 4 mv.
WHD17:R2
(from
on
WHD17:MP
WHADIl:Rl
be
procedure
of
the
of
the
1
be
covering
off.
on
connector
on
a
DC-level
slowly
(Can
cw
the
system).
I,
as
oscilloscope
output
the
adjustments
has
to
of
Memory
of
potentiometer
the
AD-board
with
clock
only
be
until
|
of
Memory
on
the
follows,
video
be
repeated,
2
or
output
the
pattern
WHDL7:R1
WHD:X3
seen with a 1:1-probe).
the
AD-board
from
signal
of
fully
sync-pulses
wise
(cw).
DC-level
2
or
Memory
from
are
correct.
the
output
the
WHD:X5
on
channel
unit.
counter
appears.
The
equals
WHD:X5
input
2
to
Memory
If
DC-level
Memory
not,
on
clock
zero.
gain.
1.
to
channel
A.
Memory
the
The
1
then
This
2.
wise
will
and
the
B
can
4.4.
REPLACEMENTS
Sometimes
problems.
first.
4.5.
FAULT
4.5.1.
~
Disconnect
inserting
It is
After
Introduction
placing
FINDING
the
Although
of
the
Before
wiring
The
unit
boards
of
possible
the
PROCEDURE
remote
the
powerswitch
unit
still
inserting,
always
does
not
because
the
power
to
remove
unit
control
have a 220V
connecting
switch
work
of
the
supply
in
the
connector
is
off
the
properly
high
unit
the
front
glider,
WARNING
in
the
tension.
CAUTION
or
disconnecting
power
NOTE
with
frequency
in
the
support
the
support
(WHD-X2)
off-position,
supply.
pcb’s
used,
glider
(plate)
to
enter
on
entry
can
test
some
boards
extender
of
be
or
causes
the
mounted
mode,
parts
unit
again.
9807
721
0.001
(88.0)E
page
15
Page 18
DIGITAL
SCOPOFIX
MDP
4.5.2.
(see
4.5.1.
-
Remove
-
Check
-
Measure
board
-
When
connections
correct,
change
-
When
all
is
defect.
-
In
case
voltages
-
Switch
Power
Introduction
front
if
220V
on
if
the
the
correct
the
successively.
still
the
not
boards.
Replace
of
fault
are
the
power
After
be
nescessary
4.3).
supply
cover
the
correct
at
Local
and
is
present
measuring
voltages
the
Controller
Control
correct,
Measure
successively
change
still
not
off.
using a new
WARNING,
switch
(watch
points
voltages
are
disconnect
again
successively
present
AD-board
to
adjust
the
are
not
(WHD25).
board
the
CAUTION
unit
on.
the
neon
WHDI1:
or
to
the
+12V,
present
present,
Measure
the
with
voltages.
find
the
backpanel
NOTE
and/or a new
the
offset
and
NOTE
indicator).
+5V,
(tolerance
disconnect
again
flatcables
the
exception
When
out
which
AD-board
or
wiring
power
of
the
)
-5V
and
+
the
the
are
of
correct,
one.
and
power
supply
ADC
(see
-12V
5%).
flatcable
voltages.
defective.
the
AD-board
one
of
supply,
is
defective.
it
chapter
of
may
the
When
Replace
the
boards
If
AD-
or
(WHD11)
the
4.5.3,
(see
-
-
(1)
-
-
MDP-function
4.5.1.
Remove
Disconnect/remove
the
Controller/Local
Boards
Insert
connected : AD-board
the
(WHD20).
-
Switch
sec.
-
If
switched
cable
-
Test
(2)
-
Boards
the
After
this
connection,
again.
Analog
connected : AD-board
Introduction
front
cover
with
Controller-board
power
that
has not
off,
bypass
the
If
on.
time
happened,
AD-,
the
(fig.
WARNING,
and
switch
the
exception
Control-board
(WHDI1)
(WHD25)
All
LED’s
they
should
change
Controller-
problem
is
4.1.).
(WHD11)
Controller
Local
Control-board
CAUTION
the
and
on
the
ALL
successively,
and
not
solved,
(WHD25)
and
unit
of
the
connect
Local
be
off,
Local
(WHD20)
NOTE
)
off,
AD-board
the
Control-board
after
Controller-board
the
backpanel
all
Local
the
the
boards,
Control-baard
are
on
power
is
has
and
defective,
for
been
the
about
flat-
1
9807
721
0.001
(88.0)E
page
16
Page 19
DIGITAL
SCOPOFIX
MDP
A
Figure
-
Switch
-
Insert
CWHD11)
WHD:X4,
-
Apply
-
Watch
present
inputrelais
outputrelais
.
video-cables
nn
BD
4,1
the
power
Memory
and
Memory
a
video-signal
the
output-video
SOL
:
Analog
off.
1
(WHD15)
1
AD-board
Memory
defective,
o
bypass.
and
(WHD15)
to
connector
from
defective.
1
defective.
connect
and
connector
the
between
WHD:X3
WHD:X4
Exchange
video-cables
Memory
of
the
on
Memory
1
(WHD15)
unit,
a
monitor.
boards
MENGRT + OUI
minoav 2 DUI
between
1a
xs
and
If
to
the
check.
AD-board
connector
this
is
not
Figure
4.2
:
Digital
bypass.
トーーーーー
ДЕН:
о.
memos + Ou
μίμος. 7 ουι
acodPr
2--J-+
$
1
-,
x
x
1
'
1
+
+
9807
721
0.001
(88.0)E
page
17
Page 20
DIGITAL
(3)
Digital
-
Boards
-
Insert
connect
-
Switch
(WHD20)
ー
Video
Memory
or
(4)
Test
~
Boards
—
Switch
staircase
patterns
SCOPOFIX
bypass
MDP
(fig.
connected : AD-board
the
must
Noise
Noise
the
the
power
are
be
also
reducer-board
generator
Reducer-board
video-cables
on.
on
for
again
on
connector
(fig.
connected : AD-board
with
the
switch
video~signal
on
the
monitor
4.2).
(WHDIL)
Controller
Local
Memory
(WHD25)
Control-board
1
(WHD15)
(WHD13),
between
Check again
about l sec.,
present
WHD:X5,
can
be
Memory
when
on
connector
defective.
4.3a)
(WHDIL)
Controller
Local
Memory 1 (WHDI5)
Memory 2 (WHD17)
Noise
WHDL1:S1
is
screen.
(WHD25)
Control-board
reducer
on
generated,
If
if
all
not
If
the
(WHD13)
the
resulting
not
(WHD20)
the
second
2
(WHDI7)
LEN’s
exchange
WHD:X4
video
(WHD20)
AN-board
the
AD-board
Memory-board
and
on
the
and
is
not
the
in
two
connector
Local
the
AD-board
because
present
test
generator
white~to-black
is
defective.
(WHD17)
WHD:X5.
Control-board
(WHD11).
of
the
second
a
Memory-,
оп.
and
AD-
А
bar
(5)
Noise
~
Boards
settings
—
Press
-
Press
a
screen
pulses
—
Press
should
—
Press
The
be
-
Press
-
Repeat
signal
—
When
LLIN
when
board
-
Repeat
(6)
-
Boards
connected : see
switch
switch
oscilloscope
of
can
switch
change.
switch
original
seen.
LER
the
on
only
is
LNRI
(WHn13).
the
Subtractor-board
connected
reducer
functions
:
LER
on
LNRI
measure
switch
the
to
select
Memory 1 (WHD15)
be
measured
LNR2
to
select
LNR3
to
select
staircase
and
LNR3
again
test
but
instead
connector
function
faulty,
works
tests,
WHD:X5
LER
change
fine
If
and
but
there
settings
(4)
Test
WHD11:S1
Local
subtract
the
signal
(fig
or
on
the
add
multiplication
can
be
to
reset
of
or
is
faulty,
Memory
LNR2
is
generator
->
on
Control-board.
circuit
on
connector
of
4.3b). A DC-voltage
monitor
circuit
a
in
grey
addition
circuit
measured
pressing
watch
2
(WHD17).
or
LNR3
still
:
see
the
functions,
the
change
does
something
(5)
or
on
key
monitor
Memory
When
Noise
the
LER
not,
Noise
WHD:X4
level
monitor
use
screen
1
(WHDIS).
both
change
wrong,
reducer
reducer-board
or
watch
of
550
can
(fig
4.3c).
in
addition
the
key
LLIN.
of
functions
the
change
functions
mV
with
be
seen.
bar
Measure
Memory
When
are
Noise
the
and
the
monitor
sync
Nothing
(fig
4,3d),
pattern
2
(WHD17).
only
function
faulty,
Reducer-
backpanel.
with
can
the
or
~
Switch
ー
Mark
board.
ー
Select
with
-
Select
for
—
Insert
9807
the
power
the
settings
"grey-level"
switch
for
LSIRI а multiplication
53.
off.
of
the
(switch
LSUB2 a multiplication
the
Subtractor-board,
0.001
721
switches
WHDL9:S4.2
WHD19:S1,
factor 1 (switch
factor 2 (switch
(88.0)E
closed)
WHDL9:S2
S2,
53
and
and
54.2
select
WHD19:S1
position
of
3
for
position
1).
the
Subtractor-
the
level
2)
page
and
18
Page 21
DIGITAL
SCOPOFIX
MDP
4.3b
4.3c
UIBORI
2. 1 .
4.3d
Figure
-
Disconnect
test-pattern
the
Local
-
Switch
LMEM2
-
Subtract
-
Return
this
larger
the
test-pattern.
~
Repeat
of
fig.
4.3 : a)
the
in
Control-board.
off
the
and
twice
the
memory-images
to
memory
pattern
white
the
4.4,
keys
with
bar
subtract
ーーーーーーーーーーーーーー
8081
SUBL,
SUB2
SUB2,
Test
generator.
b)
Test
mode
c)
Test
mode
d)
Test
mode
input
test-pattern
video
Memory | by
from
LSTART.
by
l
(LMEMI).
the
original
which
is
the
function,
|
clipped
キネ
ーーーーーーーーーーーーーーーーーーーーーーーー
white
INVERT | black
white
INVERT | black
NRİ.
NR2.
NR3.
WHD:X3,
pressing
and
store
pressiag
The
result
one
result
Instead
bar
(small)
(large)
(medium)
(very
the
the
we
can
of
of
large)
switch
keys
black
key
LSURI.
is a new
see
the
addition
using
the
LLIH,
level
bar
that
LSUB
power
LMEM1
in
pattern.
the
new
of
1
use
on
and
store
and
twice
Memory 2 by
If we
one
has a much
the
grey
the
keys
LSTART
pressing
compare
level
selections
the
on
with
9807
Figure
721
4.4 : Keys
0.001
on
the
Local
Control-board.
(88.0)E
page
19
Page 22
DIGITAL
-
Switch
something
the
SCOPOFIX
the
board.
power
was
MDP
off, pull
incorrect
else
out
the
reset
Subtractor-board
the
original
and
switches
exchange
settings
it
and
when
insert
(7)
-
All
switch
-
Switch
-
Select
-
Measure
gamma
Test
-
Repeat
Figure
Gamma
boards
WHDI1:51
Memory 1 (LMEM1).
correction
both
MD
JONYLRUR
4.5 : Substraction.
corrections
connected
the
power
with
an
gamma
the
test
...
->
on
on.
oscilloscope
keys
the
corrections.
for
Memory
[ro
level
2.
on
connector
of
When
Select
some
steps
incorrect
Memory
SUPSIBALE
WHD:X4.
Z
μμ
If
of
the
change
Memory
(LMEM2)
memoRi 1 OU
MEMORY 2 DUT
BÍBORL
2-
you
staircase
and
xa
»
56
[
press
1
(WHD15).
measure
one
will
of
change.
on
the
WHD:X5.
two
-
9807
721
0.001
(88.0)E
page
20
Page 23
DIGITAL
5.
CIRCUIT
See
diagram
5.1.
INTRODUCTION
In
diagram
Board
and
functions
selection
Reducer
Each
monitor,
Using
of
the
On
and
the
sent
memory
the
the
memories
contents
the
Controller
control-signals.
SCOPOFIX
DESCRIPTION
Z1.2.
Z1.2. 6 peb’s
applied
to
the
Noise
are
possible,
of
one
is
saved
has a DAC,
Subtractor
can
of
the
Input
HD.
——
MDP
can
analog
of
in
a
TTT
13
video-signal
Reducer.
using
the two
the
selected
so
and
the
be
subtracted
memories.
micro-processor
Controller
AD
Board
be
discerned
Om
the
the
images
Memory-boards.
memory.
the
contents
DAC
on
and
|
Vase
一
Reducer
is
Noise
of
one
of
displayed
is
used
Mem, | DAC
Sublrackor
|
Kam.
(see also
converted
Reducer
coming
The
each
the
for the
Memory
1
i
T
DAC
e
i
Memory
2
figure
into
some
from
the
image
memory
two
TEL
at
memory-boards,
on a monitor, without
mode
Gul
pul
1
=
MHD,
Output
1
WHO
an 8 bit
noise
AD-Board
the
can
be
selection
X4
5
5.1.).
reduction
output
displayed
On
the
digital
and
of
the
and
AD-
signal
from
the
the
Noise
on
a
contents
effecting
timing-
Figure
5.2.
AD-BOARD
The
input
to
the
clamping
After
signal
For
in
The
pulses
The
generates
The
about
we
The
clamping
and
test
purpose
two
white-to-black
sync
pulses
and
sync
detector/oscillator
PLL-oscillator,
40
MHz;
get
signals
clock
synchronised
5.1 : Functional
video
X~-tal
signals,
is
circuit.
the
buffered
a
from
buffered
controlled
after
CLOCK
with
connected
video
(outputbus
digital
the
(output
locked
clipping,
and
sent
the
blockdiagram
to 0 V,
staircase
bar
patterns
video
signals
sync
hy
CLOCK-N
to
the
incoming
to
WHD:X3
the
video
AD-out 0 to
is
on
are
separated
V-pulse
detects
the
pulse
processor
if no
pulses.
horizontal
stretching,
of
20
video-syncs.
of
and
generated
the
monitor.
MHz,
and
the
via
is
converted
7).
into
and
syne
sync,
the
MDP-unit.
bypass-
(WHN11:S1
horizontal
H-pulse).
pulses
is
dividing
memory
switch
into
are
running
by
boards,
and
buffer
an 8 bit
on
TEST)
and
vertical
present
two and
and
at a frequency
are
sent
digital
resulting
sync
then
of
buffering
9807
721
0.001
(88.0)E
page
21
Page 24
DIGLTAL
5.3.
NOISE
SCOPOFIX
REDUCER
MDP
ROARD
LIVE
Figure
The
selected
subtracted
(0<K<1)
The
and
factor
Moving K :
Fixed
Tracing
K : Value K is
K:
—»
-
PROM
5.2 : Simplified
memory
from
then
K:
Dependent
K-factor
The
by
the
This
each
trace white
signal,
the
live
added
upon
(K=1/4 - 1/2).
supplied
factor K is
value
results
pixel,
D>0
D<0
«К
uP
diagram
from
signal
to
the
the
of
in
K=1 D>0
K=0 D<O
selected
value
by
defined
the
subtracted
storage
and the
+
FH
ΜΕΜ.ΙΝ
of
the
noise
Memory | (WHN15)
result
memory
of
the
subtracted
the
processor
by
the
selection
signal
of
the
minimum
trace
black
MEMOUT
reducer.
or
is
multiplied
signal.
D.
respectively
K=0
K=1
Memory 2 (WHn17),
with a factor
signal
trace
(0) a PROM
white/trace
maximum
is
makes
black
value
K
a
and
of
5.4,
MEMORY
After
memory.
memory
The
subtractor.
The
subtractor.
The
which
a.
b.
c.
buffering,
output
selector
digital
selects:
Input-video
Output-video
Gamma
Via
is
refreshed.
of
corrected
BOARD
the
the
switch
to
analog
of
(Memoryl
the
output
CCN
chooses
memory.
of
CCD
signal
and
Memory2
digital
and
memory
convertor
memory/Output-video
input
between
as
b.
video
is
buffered
(DAC)
switches
is
the
are
set
and
output
gets
identical)
in
the
Charge-Coupled-Device
of
the CCD
sent
of
his
input
of
subtractor.
memory
to
the
noise
the CCN and
from
the
(field | and
reducer
the
output
selector
(CCD)
2)
and
of
switch
the
the
9807
721
0.001
(88.0)
page
22
Page 25
DIGITAL
3.5.
SCOPOFIX
SUBTRACTOR
MDP
BOARD
Figure
Figure
With
LINVERT
the
5.3
gives a siplified
Selen
Mon
Sal | men
switches
on
_
5.3 : Simplified
the
Local
51
ュー
J
asa
$1 - 54
control-board
INVERTE
"i
*1
“a
]
faco
E
diagram
and the
diagram
s
7
=
Beer
rem
of
lu:
La
Г
ox
of
keys
the
the
SUBI
the
LMEM
next
subtractor.
sua?
«E
Subtractor.
1,
LMEM
algorithm
2,
LSUB
can
be
|,
filled
LSUB 2 and
in.
INVERT
-
LMEM 1 or
SEL=NON
-
LSUB 1 or
switches
ー
LINVERT:
-
Addition
After
Eo
subtracted
added
three
a.
b.
c.
If
amplitude
The
chan
latching
the
to a selected
possibilities:
Image
Image
Grey-level,
the
negative
the
*
(SEL - NON
LMEM 2 is
SELECTED
LSUB 2 selects
Sl
and
non
is
filled
other
subtracted
(non-inverted)
digital
from
memory
from
memory
is
too
signal
maximum
memory).
S2
active=
active=
memory
video~signal
and
high,
amplitude
SEL) * MULT.FACTOR
the
memory
the
multiplication
(see
fig.
5.3).
-1
+1
in
by
the
1
and
2,
memory
background,
1.
2.
multiplied
the
signal
is
converted
is
set
which
switches
one
of
bus
is
multiplied
This
selected
digital
is
limited:
to
black
to
white
+
is
marked
$4.1,
the
memory
resulting
video
level
level.
ADDITION
as
SEL
factor
$4.2
which
and
busses
in : memory 1 -
by a factor
background
signal
and
is
the
(SELECTED).
is
set
53,
(See
is
inverted
1/2,
is
one
negative
signal
(NON
by
the
fig.
5.3).
and
added
memory
1, 2 or 4 and
of
or
level
the
the
higher
2.
next
The
9807
721
0.001
(88.0)E
page
23
Page 26
DIGITAL
5.6.
The
SCOPOFIX
CONTROLLER
microprocessor
generated
horizontal
pulses
sync-pulses.
On-board
transferred
are
on
the
and
present,
timers
to
MDP
BOARD
on
AD-board,
vertical
then
generate
the
data
the
sync
an
internal
control
controller
Those
pulses
pulses
internal
bus
board
of
generator
and
through
is
have
the
video-signal.
external
output
driven
been
on
timing
by
clock
synchronised
When
the
AD-board
signals,
X2
Al5 : C27.
pulses,
to
the
no
video
supplies
which
being
sync
the
are
9807
721
0.001
(88.0)E
page
24
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