RTS Systems, Inc. Model CIF612 Camera IS0 Electronics is the electronic heart of a special intercommunications system. This system allows both conference-line communication and special, isolated point-to-point communication. The system consists of Video Control Panels (the VCP6A or
128)
and user stations, camera operator user stations, a Source Assign Panel (the SAP1626), and the Model CIF612. Up to 6 video control panels and up to 12 camera interfaces can be used in the system. This special, isolating capability is known as video IS0 or camera ISO.
12
DESCRIPTION
The Model CIF612 is a rack-mounted card cage containing 12 slots for the interface and switching cards. Slots 2 through
7
are wired to accommodate
the CH612 dual camera interface circuit cards. Slots
8
through
13
are wired to accommodate the SW612 IS0 control/switch cards. Up to six of each type of card may be used. The first slot on the right and left sides of the unit are not functional. An extender card is provided with each unit and is located in one of the non-functional card slots. You may wish to order a spare of each type of card and install them in the non- functional slots to minimize interruption in case of component failure. The front panel is hinged to allow easy access. The reverse of the front panel is labeled
with all the circuit card adjustment information.
In a production or broadcast setting there are video operators and camera operators communicating on one or more conference-line communication charnels. When a video operator wants to talk privately with a particular camera person, the video operator pushes a switch on the control panel (the VCP6A or 12B) corresponding to the camera. This action removes both parties from the conference channel and places them on
a
completely separate and isolated channel. Point-to-point communication is now established between these two people and they may now carry on a private conversation. Any combination of up to 12 stations may be selected at the same time. When the conversation is complete, the video operator again pushes the camera button and that camera is restored to the conference-line communication channel.
An additional feature of this system assigns a particular priority to each video operator's control panel, either HIGH or LOW. In theory, any video control panel can
IS0 any camera at any time. If another control panel has already selected a camera, the priority designation comes into play. Control panels with the same priority assignment can share the isolated channel, but the HIGH priority control
panel will "take" a given camera line from a LOW
priority panel.
Each circuit card features on-board power
regulalion and filtering, and an LED which shows power status. All active cards connect to the motherboard matrix through gold plated card edge fingers on the back of the card.
Level and balance adjustments for the unit are located
just behind the hinged front panel. The reverse side
of the front panel contains a legend explaining the location and function of all of the controls.
13
POWER REQUIREMENTS
The Model CIF612 requires 14 volts AC or 16 volts
DC to operate. The unit is shipped with a power supply which provides the necessary voltage.
1.4
CONNECTIONS
All connections to and from the CIF612 are found on the back panel. The control panels connect to
50
pin
female microribbon connectors. Each camera's four
wire intercom signal cable connects to a 5-pin male XLR
type connector. A 25-pin D connector provides connection to the SAP1626 so that each camera may be assigned one of the non-iso intercom
channels.
Page 4
1.5 SPECIFICATIONS
CH612 Dual Camera Interface Card
1
Channels standard RTS
Camera send and receive:
SW612 IS0 Control/Switch Card
through
TW
levels:
12
dBu nominal, balanced, two wire
-10 0 dBu test level
0
dBu
nominal, balanced
-10 dBu nominal, minimum
+
10
dBu
nominal, maximum
Kcy
input 1-12:
Audio to IS0 Station:
Power Requirements:
14 volts AC 16 volt DC
Size
@
@
2 amperes,or
2
amperes
Specification Notes:
closure to ground, 12 volt logic
-10dBu nominal, balanced, two wire
I
OdBu OdBm
Note: All product information and specifications are subject to change without notice
= =
-
-
-
-
0.775
Volts r.m.s.
1
milliwatt
0.775
Volts r.m.s. into M)O ohm load
0.387 Volts r.m.s. into 150 ohm load
(0
(-6
dBu)
dBu)
Page 5
SECTION
4:
ROUTINE MAINTENANCE
WARNING
4.1
INTRODUCTION
This section provides service information for routine maintenance and troubleshooting.
42
WARRANTY INFOFtklATION
The Model CIF612 is warranted for a period of one
year from the purchase date.
A
copy of the warranty
is located at the front of this manual.
43
ROUTINE MAINTENANCE
No routine maintenance is required for the Model CIF612. To clean, wipe the outer surfaces gently with a damp cloth.
43.1
Safety Considerations
Although this equipment has been designed in
accordance with international safety standards, this
data package contains information, cautions, and
warnings which must be followed to ensure safe
operation and to maintain the equipment in safe
operating condition. Service and adjustments should
be performed only by qualified service personnel.
Any adjustment, maintenance, and repair of the
opened equipment while any power or voltage is
applied should be avoided as much as possible, and,
when necessary, should be carried out only by a
skilled person who is aware of the hazard involved.
Be certain that only fuses with the required current
rating and of the specified type (normal blow, time
delay, slow-blow, etc.) are used for replacement.
The service information presented in this datapackage is normally used with the protective coversremoved and power applied to the equipment.
Energy
available at some points (within the power
supply) may, if contacted, result in personal injury.
4.4
ACCESS
To get inside the Model CIF612, remove the screwson the sides of the back cover. Carefully tilt the back cover down.
4.42
Cleaning
Clean the outside of the Model CIF612 with denatured alcohol or a mild solution of detergent and water. If required, clean the interior with dry, low pressure
air.
The circuit boards can be cleaned with 1,1,1 trichloroethane or Freon TF. Do not allow theseor any solvents to get into the pots or switches.
4.43
Fuse Replacement
The Model CIF612 fuses arc found in two locations: On the individual circuit cards and on the back of the unit. Replace only with recommended fuse sizes:
Assembly Drawing. Final. Model CIF612 Schematic Diagram. Functional Interconnect. Model CIF612. sheet Schematic Diagram. Functional Interconnect. Model CIF612. sheet 2 of 2
Assembly Drawing. Rear Panel. Model CIF612 Wiring Diagram. Rear Panel. Model CIF612. sheet Wiring Diagram. Rear Panel. Model CIF612. sheet 2 of 2
Assembly Drawing. PCA. Motherboard. Model CIF612 Assembly Drawing. PCA. IS0 Control. Model SW612
Schematic Diagram. Model SW612 IS0 Control. Switch Board. sheet 1 of 2 5-12 Schematic Diagram. Model SW612 IS0 Control. Switch Board. sheet 2 of 2 5-13 Wire List. Model SW612. IS0 Control Switch Board
Assembly Drawing. PCA. Dual Camera Hybrid. Model CH612 Schematic Diagram. Model CH612 Dual Camera Hybrid Board Wire List. Model CH612 Dual Camera Hybrid
Schematic Diagram showing connections from VCP6BlVCP12B Schematic Diagram. VCP6B112B to RMS300 DV-VI 5-25 Schematic Diagram. VCP6BI12B to Model 802 Connections Outline Drawing. Model VCP6A
Final Assembly. Model VCP6A Outline Drawing. Model VCP12B
and 14 are not connected to anything and are only used for storage The extender card is kept in one of these slots.
The card frame is protected by a hinged front panel. Spring loaded catches lock the panel in place. Release the catches and gently lower the panel to reveal the card slots. The reverse side of the panel contains a legend explaining the location and function of the various controls for the CIF612.
33.1 CH612 CAMERA INTERFACE CIRCUIT
CARDS
Slots 2-7 are wired to accept CH612 camera interface circuit cards. Slot #2 holds the card for cameras and 2. Slot
#3
holds the card for cameras 3 and 4,
1
etc. Up to 6 cards can be used for a total of 12 cameras. When adding CH612 camera cards to expand the system make sure to insert the new cards into slots that correspond to their camera numbers.
Each CH612 circuit card has five multiturn trimmer potentiometers for each camera on that card. These controls govern level and balance adjustment for both non IS0 channels (RTS
TW
or program channels) and IS0 channels. The controls are located on the edge of the circuit card facing the front of the unit. The first 5 controls govern the 1st (or odd numbered) camera, and the second set govern the 2nd (or even numbered) camera.
On the bottom edge of each
CH612 circuit card is a lamp which indicates the power status for that card. When the lamp is illuminated, the card is powered up. When the lamp is extinguished, power has been interrupted. If all cards show power interruption, check the fuse located on the rear panel of the frame or check the 117 VAC main supply. If one card only shows a fault, check the on board fuse for that card.
For safety replace all fuses with the same type and rating.
R122 Non-IS0 balance to camera Rl23 Non-IS0 level to camera R109 IS0 level from camera R105 IS0 level to camera R113 Non-IS0 level from camera
SECOND CAMERA ON CARD
R222 Non-IS0 balance to camcra R223 Non-IS0 level to camera R209 IS0 level from camera R205 IS0 level to camera R213 Non-IS0 level from camera
332
SW612 CONTROL/ISO SWITCH
CIRCUIT CARDS
Slots 8-13 are wired to accept SW612 control/ISO switch board circuit cards. Each circuit card
#8
slot
holds the
#9
holds the card
represents one control panel. Slot circuit card for control panel
1,
for control panel 2, etc. When expanding the system by adding more control stations (up to 6 may be used), make sure each
SW612 circuit card is in the
appropriate slot. Each SW612 control card contains a trimmer
potentiometer which governs the IS0 balance to all cameras from that control panel. The pot is numbered R145 and is located in the middle of the front edge, just above the power indicator lamp. The lamp which indicates power status works the same
way as the CH612 circuit card lamps. Each SW612 card also contains the jumpers which set
the HIGH or LOW priority designation for that control panel. Use the jumpers provided with the unit to set priority for each camera on the card. After setting priority, make sure to mark the priority designation on the space provided inside the front panel.
Page 8
USER STATIONS CONTROL PANELS
802-83
aoz-83
-
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VCP128
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STATIONS
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9
10 11
12
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-
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Model CIF612 Station
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1-1
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IS0
Page 9
Figure
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Page 10
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Page 13
Page 14
SECTION 2: INSTALLATION
23 SIGNAL CONNECTIONS
23.1 Intercom to Cameras
Thc Model CIF612 and mounts in an
is
5
114 inches
E.IA.
standard 19"-wide equipment
(3
rack units) tall
rack. See Figure 2-1, Outline Drawing.
Attach the unit to the rack using the four mounting holes on the rack ears. The CIF612 does not produce an appreciable amount of heat, and requires no special ventilation clearances of its own.
22 ELECTRICAL
22.1 Grounding
On the left hand side of the back panel is a terminal strip with two screws marked CHASSIS and COMMON. Connect the
AC/rack ground to the CHASSIS screw. Comect technical ground to the system COMMON screw. See Figure 2-2.
222 Power Supply
The Model CIF612 requires 14 volts AC to operate.
A 14 VAC
@
2 amp power supply is provided with the unit. Connect the end of the power supply cable to the power input jack on the back of the CIF612, and plug the supply into a 117 volts AC outlet. See
Figure 2-2.
1.0
Ym
1.05
i.oa
ic
14112
I'
YO,
5201-3212 are for the intercom to and from each camera. They are Make sure camera and camera 2 to CAM 2 (J202), etc. Figure
5
pin male
1
is connected to
XLR
type connectors.
CAM 1 (3201)
2-3
shows
pin-out information.
232 Camera Intercom Channel Selection
Each camera is assimed one of the system conference-he co&munieation channels. The selection of which channel the camera
will
use
is
made at the SAP1626. Locate the 25-pin cable from
the SAP1626. This cable carries the conference line signals from the SAP1626 to the CIF612. Connect
this
cable to the CIF612 at 5301.
233 Control Stations
J401-5407 are the inputs for the control stations. They are 50-pin microribbon female connectors. 5401-5406 correspond to control stations
1
through 6. When making the connections, make sure that controlstation
1
is connected to 5401, and control station 2 is connected to 5402, etc. Connector 5407 is used as a spare. (SD5418,l of 2, lower right hand corner shows
the following copy: 3407 and
can
be used to set up a remote reset switch). Use
is
wired in parallel with 5406
a small flat-blade screwdriver to securely fasten the connectors. Secure the opposite end of each connector with a tie-wrap.
,
INISmCOY
lOr.l"tR"S
-
Figure 2-2
Power and Grounding Connections
Page 15
Model
Figure
CIF612
Page
2-1
Outline Drawing
1-3
Page 16
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Page 20
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Page 22
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INSTALL FROM ClRCJlT SIDE
INSTALL NON TLI'IEADED SWAGE SPACER !;ITS #1001~01:>001 FROM CiRCJIT SIDE
A
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1 SEE SEPARATE PARTS LIST, PL3792, FOR COMPONENT VALUES
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Page 25
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Connector Locations and Pin-Out Designations
Page 44
2.4
SElTING THE LEVEL
AND
BALANCE
CONTROLS
2.4.0
Introduction
The
LEVEL
and BALANCE controls are preset at the factory for cameras with 0 dBu nominal send and receive levels. Once installed only minor adjustments
should be necessary. Each balance control should be
adjusted for minimum
sidetone (or desired level) and the levels may be set to the operator's preference. The procedures outlined below are for new cards or
may be performed after changes have been made in the system set-up.
2.4.1
Non IS0
IS0 level controls are found on cach CH612 Camcra Interface card.
Adjust one camera at a time. Turn the IS0 level
controls to and from each camera fully clockwise,
20
turns or more. Turn the IS0 balancc control fully clockwise, 20 turns or more.
Turn the IS0 balance control counter-clockwisise 10 turns.
Now turn the
IS0 level controls
counter-clockwise
13
turns. Adjust each IS0 level until a comfortable level is
reached.
Each CH612 Camera Interface Card contains two sets of controls, one set for each camera that the card interfaces with. Adjust one camera at a time. Make sure that
all
of the connections to the CIF612 have been made, and that an intercom signal is traveling to and from each camera. Turn the non IS0 level controls to and from each camera fully clockwise, 20 turns or more. Turn the non IS0 balance control fully clockwise, 20 turns or more.
Turn the non IS0 balance control counter-clockwise 10 turns.
Now turn the non IS0 level controls counter-
13
clockwise
turns.
Make sure an intercom signal is going through the
system to each camera. Adjust each control until a comfortable level is reached.
Before adjusting the balance, the sidetone within the camera should be turned off to avoid confusion. Set the balance to achieve a null in the camera headset. Only a couple of turns in either direction should be
necessary to reach the null point.
After the balance is set, reset the camera sidetone. If sidetone is desired,
turn the balance clockwise until a comfortable
sidetone is heard.
Before adjusting the balance, the
sidetone within the camera should be turned off to avoid confusion .Set the IS0 balance to achieve a null in the camera headset. Only a couple of turns in either direction should be necessary to reach the null point. After the
balance is set, reset the camera sidetone. If sidetone is desired, turn the IS0 balance clockwise until a comfortable sidetone is heard.
Repeat this procedure for each camera.
Repeat this procedure for each camera,
The
IS0 balance control for each control panel is
located on the SW612 IS0 Control/Switch Boards, in
the middle front just behind the card handle.
The
Figure
2-4
Balance Control Locations. Model
SWhl2
Page 45
-
GND
Figure
2-5
Level Control Locations, Model
CH612
Page 46
2.5
SEITING
Each SW612
L'p
ICI
!u:l\:. i3111cr.ir
h n
PRIORITY
IS0
Control/Switch board interfaces a control vanel with the cameras connected to the
rirnavcd lrclm th~. card frame to set priority since the priority jumpe; selection is located in the middle of the board. Pull out the card from the frame, locate the jumper locations, and set the blue jumpers over the appropriate pins. Slide the card back in. Repeat for each card. As the jumpers are placed over the appropriate pins, carefully mark the priority assignment for each camera inside the front panel of the frame.
2-6
Figure
Priority Program Jumper Lucations
Page 47
Models
Figure 3-1
VCP6 and VCPlZ Front Panels
Page
2-6
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