Orban OPTIMOD 8200ST Operating Manual
Operating
Manual
OPTIMOD-Studio Chassis
Automatic Gain Controller
8200ST
IMPORTANT NOTE:
Refer
to the unit’s
rear panel for
your Model
#.
Model
Number:
Description:
8200ST/U
8200ST/E
OPTIMOD-Studio
Chassis,
2 channel,
115V
OPTIMOD-Studio
Chassis,
2 channel,
230V
CAUTION AVIS
RISK
OF ELECTRIC SHOCK
DO
NOT OPEN
RISQUE DE CHOC
ELECTRIQUE
NE
PAS OUVRIR
DO NOT EXPOSE
TO RAIN OR
MOISTURE
CAUTION:
TO reduce the
risk of
electrical shock,
do NOT REMOVE
COVER (OR BACK).
NO USER
SERVICEABLE
PARTS
INSIDE. REFER
SERVICING TO
QUALIFIED
SERVICE PERSONNEL.
WARNING:
TO REDUCE
THE RISK OF FIRE
OR
ELECTRICAL SHOCK,
DO
NOT
EXPOSE THIS
APPLIANCE TO
RAIN OR
MOISTURE.
This
symbol,
wherever it
appears,
alerts
you to the
presence of
uninsulated
dangerous voltage
inside the
enclosure
—
voltage
that
may be
sufficient to
constitute a risk
of shock.
This symbol,
wherever it
appears,
alerts you to
important
operating
and
maintenance
instructions in
the
accompanying
literature. Read the
manual.
IMPORTANT
SAFETY
INSTRUCTIONS
operating
All the safety
Retain
Heed
Follow
Water
basement,
Ventilation:
appliance
installation,
Heat:
amplifiers)
and
Instructions:
Warnings:
Instructions:
Moisture:
and
or near
The
not be
should
such as a
appliance
The
produce heat.
that
Power Sources:
appliance.
on the
marked
Grounding
Power-Cord
or against
upon
Cleaning:
Non-Use
Object
openings.
Damage
The
Objects have
The
The appliance does
The appliance has
Servicing:
should
Appliance should
The
or
Protection:
them,
The appliance
Periods:
and Liquid
Requiring
power supply cord
fallen, or
appliance has
The user
be referred to
instructions
The safety
warnings on
All
All operation
appliance
The
swimming
a
appliance
pool, etc.).
should be
situated
bookcase or
should be
appliance should be
The
Polarization:
Power-supply
particular attention to
paying
should be
The power
Entry:
Service:
or the plug
liquid has
exposed to
been
appear to
not
dropped,
been
should not
qualified
service
be
should be read
and operation
the appliance
and user
situated so that
on
bed,
a
cabinet that may
situated
Precautions
cleaned
cord of
should
Care
The
has been
been spilled
rain; or
operate
or the
attempt to service the
personnel.
used
instructions
should not be
sofa, rug, or
away from heat
connected to
should be
cords
cords at
only
the appliance
taken so
be
appliance should be
damaged;
into the
normally or
enclosure damaged.
only with
before the
instructions
and in the
impede
should be routed
recommended by
as
a
should be
operating
should
near water (e.g.,
used
its location
similar surface
the flow of
sources such as
power supply only
a
taken
so
plugs,
should be unplugged
that objects do
serviced by
or
appliance; or
exhibits
appliance
cart or stand
appliance is
be
or position does
that the
convenience receptacles,
marked
a
beyond that
operated.
for future reference.
retained
instructions should be
followed.
near
bathtub,
a
not
that may
air through the
so that they
the manufacturer.
qualified
change
that
block the
ventilation
radiators,
grounding
not
heat
of the type
or
are not likely to be
from the
fall and liquids
service
in performance;
described in the
recommended by
is
interfere with its
outlet when
adhered to.
washbowl,
ventilation
openings.
registers, stoves, or
described in the
polarization means of an
and the
are not spilled
personnel when:
kitchen sink,
proper ventilation.
openings; or,
on or pinched by
walked
point where they
left unused
or
operating
instructions.
the
laundry tub,
For example,
placed in
other appliances
operating
for
into the
instructions or as
appliance is not
exit from the
long period
a
enclosure
All other servicing
manufacturer.
in
a wet
the
built-in
a
(including
defeated.
items placed
appliance.
of time.
through
Safety
Notice
WARNING:
The
As
plug, proceed as
The core
(A),
The core
The core
Instructions
For U.K.
cores in
colours of
which is
or coloured
which is coloured
which is coloured
THIS APPLIANCE
the mains lead are
the cores in
A
(European)
Customers
GREEN and
coloured
the mains lead
follows:
coloured green and
green, or
green and
blue must be
brown must be
power
The
you need to
cord
change the
WARNING: If the
between chassis
voltage
is terminated
If Your Unit Is
MUST BE
in accordance
-
of
yellow
yellow.
connected
plug and
and earth
Earth
this appliance
must be
connected
in a CEE7/7
if you are
YELLOW
ground is defeated,
Equipped With A
EARTHED.
following
with the
BLUE
may not correspond with the
connected to the
the terminal marked N or
to
the terminal marked L or
to
plug (Continental
qualified to
certain fault
ground. Severe injury or
do so.
conditions in the unit or
CONDUCTOR
LIVE BROWN
L
N NEUTRAL
EARTH GND
E
Power
AC
Power Cord.
code:
-
Neutral
terminal in the plug
coloured black.
coloured red.
Europe). The
refer to the
death can then result
WIRE COLOR
Normal
BLUE
GREEN-YELLOW
Color Coding
Cord
coloured
marked
green/yellow
table below.
in the system to
if the chassis and
BROWN
-
markings
with the letter E, or
wire
Alt 1
BLACK
WHITE
GREEN
Live
identifying the
connected directly to
is
which
connected can
it is
earth ground are
terminals
with the earth
the unit’s chassis.
result in full line
simultaneously.
touched
in your
symbol,
If
Safety
Ger&t nur an der
Sicherungen
Jedwede
Stecker und
Gerat und
Um Beruhrung
gen dart das
reparierbare
Zur Vermeidung
Flussigkeiten
Bei Betriebsstorungen
eine
Instructions
nur durch solche,
Beschadigung des
nicht
Netzkabel
gefahrlicher
Gerat
Teile.
in das Gerat
qualifizierte
am
das
von
Servicestelle
(German)
Leistungsschild
gleicher
Netzkabels
enfassen.
Kabel
ubertriebenen
keinen
elektrischer
nur Von befugten
elektrischen
vermeiden.
bzw.
Schlagen und
Eindringen von
nach
kontaktieren.
vermerkten Spannung
Stromstarke und
vermeiden.
Beschadigte
Netzkabel
Netzkabel
mechanischen
vermeiden, dart das
Spannungen
Servicestellen
zu
instandgesetzt
Feuer ist das
Flussigkeiten
Stromart
und
Abschaltverhaltens
gleichen
nicht
sofort auswechseln.
Beaspruchungen
Gerat
Oder anderen
betreiben.
knicken Oder
quetschen. Beim
aussetzen.
Gerat nicht
werden. Im Gerat
vor Nasse zu
Gegenstanden, das
ersetzen.
Sicherungen nie
geoffnet werden, Im
befinden sich
schutzen.
Eindringen von
Gerat
uberbrucken.
Abziehen des
Fall von Betriebsstorun-
keine, durch den
Feuchtigkeit und
sofort vom
Netztrennen und
Netzkabels den
Benutzer
Safety
On s'assurera
N'utiliser que des
fusibles.
Eviter
et
Ne jamais
Pour aviter tout
I’appareil ne
Pour
liquide dans
En cas de
et
Safety
Hacer
Reemplazar
puente.
Proteger el cable de
cable. Sustituir
No
Para
debe
el
Para evitar
en el
En caso
que
Safety
Far
Sostituire
interruzione.
Evitare
il
Non esporre
Per
I'apparecchio
dalldtente.
Instructions
qui risque
tout ce
non le cable.
exposer
peut etre
6viter les
I'appareil.
dysfonctionnement ou
s’adresser a
Instructions
funcionar el
los
el aparato
someter
contacto
evitar el
ser reparado
usuario.
descargas
mismo.
de producirse
desconectarlo
Instructions
funzionare
i dispositivi di
Non cavallottare mai i
qualsiasi danno
cavo. Sostituire
I'apparecchio e
contatto con le
evitare il
deve
toujours que
Si un cable est
contact averc
risques de
un point de
fusibles s6lo
inmediatamente
I’apparecchio solo
subito i cavi
Per evitare scosse
In caso di
atamente
anomalie di
I'apparecchio dalla rete e
(French)
tension et la
la
fusibles de
I’appareil ou le
meme
d'endommager
endommage, le
rdpare que
une
cable
dans un
ddcharge
si un
aprdsvente
service
(Spanish)
aparato s6lo con
por otros de
alimentacidn
el
y
con tensiones
sblo por talleres de
elbctricas
fallas
inmediatamente de
protezione (valvole,
al cavo di collegamento
venir riparato solo da
elettriche
funzionamento
contra toda
cables danados.
cable
de
incendios,
e
funcionamiento
de
(Italian)
con la
danneggiati.
il cavo ad
tensioni elettriche
incendi,
o
nature du
intensity et du
le cable seceur.
une contrainte
a
tension blectrique
atelier
aiectrique et
liquide ou tout
la tension
la
alimentaci6n a esfuerzo mecanico
elbctricas
servicio
la red
tensione
fusibili ecc.)
dispositivi
esagerate
centri di
I’apparecchio va protetto
rispettivamente
contattare
courant utilise
principe
meme
remplacer
On ne
de
devra ni le
immSdiatement.
mecaniq ue
dangereuse,
autorise. Aucun
d’incendie,
autre objet a
autorisa.
clase de
y
intensidad
misma
dase
peligrosas, el aparato no debe
autorizados. En
el aparato debe
ponerse en contacto
y
di protezione.
pericolose,
un centra
dafios. No doblar o
de
consecuencia de la
como
tipo di corrente
il
e
solo
alia rete.
sollecitazioni
servizio
dopo la
element de cet
protager
pbn6tre
corriente senaladas
de corriente
el aparato no se
protegerse contra la
con dispositivi aventi lo stesso
piegare
Non
meccaniche.
I'apparecchio
autonzzati. Nell'apparecchio
dall'umidita.
penetrazione di
servizio qualificato.
di
correspondent
mise
plier, ni I’aplatir.
excessive.
n'oouvrira jamais
on
I'appareil de I'humidita.
bien
hors circuit que
appareil ne peut
dans I'appareil
la placa
en
de
sistema
y
apretar el cable.
excesivo.
En caso de
abrirse.
encuentra
humedad,
penetracion de
con un taller de
indicati sulla targa
schiacciare il
o
non deve
servicio
cavo. Per staccare il
venir aperto. in caso di
non si
Evitare che
liquidi o oggetti
indiqubs sur la
ceux
a
les fusibles d
Lorsqu’on
I'appareil. En cas de
Eviter
couper aussitot
indicadora de
desconexibn.
Al desenchufar,
ninguna pieza que
origine. Ne
dbbranche I’appareil,
r6par§ par I’utilisateur.
etre
toute
I'appareil de son
caracteristicas.
No poner nunca
producirse
impidiendo que
liquidos
riportante i dati sulle
u
autorizado.
otros
amperaggio e lo stesso
trovano parti che
umidita
liquidi entrino
o
nell'apparecchio,
plaque
jamais shunter les
dysfonctionnement,
panatration
asir el enchufe
fallos
de
pudiera ser
penetren bsta o
objetos en
prestazioni.
comportamento di
cavo, tirare la
anomalie di
possano essere
nell'apparecchio.
I’appareil.
de
tirer la fiche
d'humidita ou
alimentation
los fusibles en
no el
y
funcionamiento,
reparada por
liquidos
el aparato,
funzionamento
presa
hay
mai
e
riparate
staccare immedi-
fr
Operating
Manual
OPTIMOD-Studio Chassis
Automatic Gain Controller
8200ST
Orban
8200ST
OPTIMOD-Studio
1-
2-
3-
page
4-
5-
contents
1
-
1
1
Section
Orban
Section
Installation
Section
8200ST
Example
More
i
Section
Getting Inside
Performance
1 :
OPTIMOD-STUDIO
2 :
:
3
Controls
Control
About
:
4
Operating
Introduction
CHASSIS
Installation
Operation
Meters
and
Settings
8200ST
Audio
Maintenance
Chassis
the
Evaluation
Processing
Chassis
Manual
8200ST
Troubleshooting
1
i
6
Section 5
Problems
Technical
Factory
Shipping
Section 6
Specifications
Circuit
Parts List
Schematics,
Abbreviations
:
Possible
and
Support
Service
Instructions
Technical
:
Description
Assembly
Causes
Data
Drawings
INDEX
on next page
Index
A
abbreviations
accessories
button
AGC
applications
assembly
audible
audio
automatic
B
balanced
bargraph
block
buzzes
C
cable
chassis
chassis,
circuit
circuit
circuit
clicks
clipper-defeat
clipping
common-mode
component
compression
connectors,
control
controls
COUPLE
covers,
customer
D
dBu
de-essing
density
distortion
F
factory
front
fuse
drawings
distortion
connections
input/output
recorder
tape
gain
inputs
driver
diagram
5-2
shielding
ground
getting
boards
to
access
panel
front
description
ground
5-2
3-5,
bias
distortion
transient
numbering
vendors
audio
settings
broadcast
subcarriers
FM
3-2
switch
memory
of
loss
removing/replacing
support
(defined)
3-7
6-4
5-3,
service
3-2
panel
6-2
2-6,
6-33
6-2
3-7
1-3
6-23
3-7,
-
2-6
2-6
-2-8
3-8
control (AGC)
2-9
6-8,6-12
6-23
2-9
2-7,
2-9
inside
4-2
4-2
6-4
2-9
jumpers
6-9
5-3
3-7
rejection
system
6-22
6-6
3-7,
2-7
3-4
transmission
3-5
on
5-4
4-4,6-33
6-6
5-4
5-3
2-8
3-7
4-2
2-5
2-9
6-4
2-2,
power-down
4-2
3-5
G
reduction
gain
meter
3-7,
detector
gate,
gating 3-7,
grounding
control
difficult
ground
5-3,
circuits
2-9,
situations
loop
H
harshness
high-frequency
hum
I
impedance
input
installation
J
jumpers
5-3
limiter 3-7,
pre-emphasis
5-2
2-8
6-6
attenuators
balanced
6-5
buffer
impedance
2-7
level
overload
stages
point
4-3
2-1
access to
positions
K
keep-alive circuit
L
calibration
level
leveling
logic circuit
loudness
3-7,
3-5
6-6
6-12
M
calibration
meter
meters
MODULATION
N
noise
O
operation
options
ordering
output
overshoot
P
packing
parts, ordering
parts
3-2, 4-3,
zone
red
rush-up,
3-1
6-2
parts
impedance
2-7
level
stages
4-3
unbalanced
5-2
shipment
for
6-14
list
3-7
6-6
6-7
6-6
5-2
2-9,2-10
4-3,
3-8
3-7,
2-9
2-7
2-7
4-2
2-4
6-12
2-11
6-11
6-2
3-7
meter
pumping
4-6-15
6-1
2-8
load
6-15
4-3
6-9
6-5
3-9
2-8
5-5
2-10
3-7,
5-3
peak
clippers
control 5-2,
level
output
performance
physical
power
cord
supplies
power
5-2
3-7,
level
evaluation
dimensions
2-3
2-3,
requirements
pre-emphasis
pre-emphasis
product
features
R
rack-mounting
registration card
regulated
regulated
release
release
RF
RFI
ringing
dropout
voltage
shape
time 3-7,
suppression
2-3
2-3
filter
5-2
S
schematics
security
service
shipping
instructions
shipping
shrillness
specifications
stereo
swept
swept sine
6-23
cover
5-4
damage
5-3
3-9
mode
wave measurements
sine
wave
T
3-8
tape
technical
thumps
tilt
timing
transmitter
troubleshooting
support
6-6
5-2
module
pre-emphasis
U
unbalanced load
unregulated
voltage
V
VCAs
VOICE
VOICE
VOICE
voltage
6-4
button
switch
loss
regulators
memory on
of
6-6
4-3,
W
warranty
XLR
(inside
connectors
6-9
3-9
6-1
meter
2-6
4-3
6-2
4-3,5-2,6-13
6-2
1-3
(first
6-1
6-9
2-5
2-6
page)
3-8, 5-3,
jumper
unit
6-13
6-6
3-7,
6-6
6-5
5-2,
6-2
5-5
2-2
6-2
6-9
tests
5-4
6-6
5-1
2-8
6-13
3-7
power-down
5-2,6-13
back cover)
2-7
3-8
2-3
5-3
OPTIMOD-STUDIO CHASSIS
8200ST
INTRODUCTION
Section
1
Introduction
page
1-3
contents
Orban
OPTIMOD-STUDIO
CHASSIS 8200ST
OPTIMOD-STUDIO
CHASSIS
8200ST
INTRODUCTION
1-3
Orban
8200ST
The
limiting
The
applications;
MOD
Features
and
flexibility
audio
Barely
transmitter
control
quality at
proper
include:
•
Up
•
Defeatable
freezes
prevents
of
OPTIMOD-STUDIO
sound
part
Gate”
gain
—
all in a space
of
discrete
ratio often
of
effective
any
—
gain
spoken
provides
absolute
and
particular,
in
processing.
adequate
link the
translates to
receiver.
the
matching
25dB
to
level
the
rush-up
breathing
transparent
control
peak
natural
protecting
signal-to-noise
weakest
improved
Switch-selectable
8200ST to
the
reduction
gain
of
“Silence
controller’s
background
of
during
pauses in
riding,
the
adjustable
-saving,
8200ST
studio-to-transmitter
makes
the broadcast
dynamic
pre-emphasis
standard
for two
not
transmission
channels
conventional
a
when signals
during
noise
voice.
CHASSIS
compression,
rugged,
ideally suited
is
land line
the
8200ST s
The
chain.
the
for
range
limiting and
medium.
of audio.
noise
below
drop
quieter
passages
8200ST
high-frequency
-rack unit
1
many
to
when using
links
microw’ave
or
transparent
link and
gate, but
improved
peak
threshold.
and
high package
broadcast
OPTI-
studio-to-
gain
signal
circuit
This gate
ensure
that
control
a
exaggeration
•
Flexible
provides
in
•
Five
phasis
•
Built-in
•
Two
peak
•
Independent
•
Class-A
•
Broadcast-quality
and
•
Defeatable
level
slow
conjunction
switchable
curves
400Hz
bargraphs
LED
operating
VCAs
outputs.
clipper:
controls:
riding.
gain
with
HF
allow the
line-up
levels.
stereo
or
with
interfacing
smooth
A
A second,
the smooth
Limiter
inherently
follows the
pre-emphasis
limiting to
HF
generators
tone
per channel
operation,
leveler,
much faster
leveler)
simultaneously
controlled
noise and
low
EMI
with
limiter
HF
activated
level
curves
activated
(25|ts to
can be
complement
front
via
distortion.
absolute
for
system
for easy
-suppressed,
when the
controller
with the
15Op.s): These
medium
the
alignment.
displaying
panel
balanced
peak
button is
agc
that works
(one
button.
voice
protected.
being
reduction
gain
couple button.
floating inputs
and
protection.
on,
pre-em-
and
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