Sony CA-TX7/TX7P User manual

1997 by Sony Corporation

Operating Instructions

Before operating the unit, please read this manual

thoroughly and retain it for future reference.

Camera Adaptor

3-859-844-13(1)

CA-TX7/TX7P

WARNING

To prevent fire or shock hazard, do not

expose the unit to rain or moisture.

To avoid electrical shock, do not open the

cabinet. Refer servicing to qualified

personnel only.

This symbol is intended to alert the user to the

presence of uninsulated “dangerous voltage”

within the product’s enclosure that may be of

sufficient magnitude to constitute a risk of

electric shock to persons.

This symbol is intended to alert the user to the

presence of important operating and

maintenance (servicing) instructions in the

literature accompanying the appliance.

For the customers in the USA

This equipment has been tested and found to comply with the

limits for a Class A digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment

is operated in a commercial environment. This equipment

generates, uses, and can radiate radio frequency energy

and, if not installed and used in accordance with the

instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential

area is likely to cause harmful interference in which case the

user will be required to correct the interference at his own

expense.

You are cautioned that any changes or modifications not

expressly approved in this manual could void your authority

to operate this equipment.

This device requires shielded interface cables to comply with

FCC emission limits.

Table of Contents

Overview ............................................................................4

Location and Function of Parts .......................................5

Front and Left Side.............................................................. 5

Switches and Knobs on the Rear and Right Side ................ 7

Connectors on the Rear and Right Side .............................. 9

Mounting onVideo Camera............................................11

Notes on Use ...................................................................14

Specifications..................................................................15

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Overview

The CA-TX7/TX7P Camera Adaptor, which is docked with a DXC-D30/

D30P or DXC-637 series Color Video Camera, allows connecting the

camera to the CCU-TX7/TX7P Camera Control Unit via a triaxial cable.

Component signal transfer method

This unit enables transfer of Y, R–Y and B–Y signals for high picture

quality.

Long-distance transfer

The maximum triaxial cable length that can be used to connect this unit to

a camera control unit is max. 750 m (when using a Belden ø8.5 mm cable)

or 1125 m (when using a Belden ø13.2 mm cable).

Electrical shock prevention function

To prevent electrical shock, this unit shuts off any high-voltage power

supply whenever there is an incomplete connection.

Coaxial cable connection

When necessary, this unit can be connected to a camera control unit via a

coaxial cable.1)

Variety of input/output connectors

Input/output connectors for the following signals are provided:

•Video signal output for teleprompter

•Return video signal output

•Intercom/program output for connected headset

•Microphone or line-in audio input

•Lens or tripod head control signal output

1) This unit’s triaxial connector must be refitted to enable

connection of a coaxial cable. Consult your Sony dealer

for details.

..........................................................................................................................................................................................................

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Location and Function of Parts

Front and Left Side

1Camera connector (PRO 76-pin DIGITAL or

PRO 50-pin)

Connects to the camera’s VTR connector. Two types

of connectors are provided and can be replaced

according to the camera.

PRO 76-pin DIGITAL: Use this connector for

docking with the DXC-D30/D30P digital video

cameras.

PRO 50-pin: Use this connector for docking with the

DXC-637 series analog video cameras.

For details on replacing these connectors, see “Mounting

on video Camera” on page 11.

Note

Use a DXC-D30/D30P with ROM of ver. 1.1 or later.

For version check and ROM change, consult your

Sony dealer.

2TALK switch

Selects whether or not to transfer intercom audio from

the camera to the camera control unit.

ON: Transfers intercom audio from camera to camera

control unit.

OFF: Do not transfer intercom audio from camera to

camera control unit.

REMOTE: Transfers intercom audio from camera to

camera control unit only while the VTR START

button on camera or lens is being pressed.

Accessory shoe 2TALK switch

3INTERCOM switch

4INTERCOM knob

5PROGRAM knob

6RETURN 1/RETURN 2

buttons

7BREAKER button

8POWER switch

3INTERCOM switch

Selects the channel for transferring intercom audio.

CH1: Selects CH1 (channel 1).

CH2: Selects CH2 (channel 2).

Note

When the LINE switch on the CCU-TX7/TX7P

Camera Control Unit is in the PRIV position, the

intercom operates only between the camera and the

camera control unit regardless of the INTERCOM

switch position.

4INTERCOM knob

Adjusts the intercom audio reception level.

When using a DXC-D30/D30P, setting the TALK

switch 2to REMOTE will enable the audio level

knob on the DXC-D30/D30P’s front panel to adjust

both the intercom audio and program audio levels.

5PROGRAM knob

Adjusts the program audio reception level.

When using a DXC-D30/D30P camera, setting the

TALK switch 2to REMOTE will enable this knob to

adjust the balance between the program audio and

intercom audio levels. Turn clockwise to raise the

program audio level, and turn counterclockwise to

raise the intercom audio level.

Shoulder strap fitting

1Camera connector

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Location and Function of Parts

6RETURN 1/RETURN 2 buttons

Select the return video signal1) to be output from the

RETURN OUT connector and to the camera’s

viewfinder.

Press the RETURN 1 or RETURN 2 button to select

the return video signal 1 or return video signal 2 from

the camera control unit.

To show the shooting picture on the viewfinder screen,

release the button. The return video signal which

selected last is still output from the RETURN OUT

connector if the button is released.

7BREAKER button

The power to this unit is cut off when the circuit

breaker is activated by a power source or connection

problem. After resolving the problem, press this button

to reset the breaker.

If the breaker gets activated even after correcting the

connection, contact your Sony dealer.

8POWER switch

Turns this unit’s power supply on and off.

To power the unit, set the switch to EXT or CCU

according to the type of power source being used.

Set this to OFF to turn off the power supply.

When this unit is connected to a camera control unit

via a triaxial cable, the following functions continue to

operate even after the power is turned off.

•Intercom communication

•On/off control of the back tally indicator (when

TALLY switch is ON)

•Calling via CALL button

EXT Power supplied via an optional CMA-8A/8ACE AC

Adaptor connected to the DC IN connector (when

this unit is connected to a camera control unit via a

coaxial cable)

CCU Power supplied via camera control unit (when this

unit is connected to a camera control unit via a

triaxial cable)

1) Return video: Video signals that are sent from a camera

to a camera control unit and returned to the same or

another camera so that the camera operators can check

the recorded image.

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Switches and Knobs on the Rear and Right Side

4CALL button

Press this button to call the operator of the camera

control unit or remote control panel. Pressing this

button lights the tally indicator (red) on the camera

control unit, on the remote control panel, and in the

camera’s viewfinder. This unit’s back tally indicator

3also lights if the TALLY switch 2is in the ON

position.

5AUDIO SELECT (CH1/CH2) switches

Select the source for signals to be transferred via the

camera control unit’s channel 1 and channel 2.

CAMERA: Transfers audio from a microphone on

the camera to the camera control unit.

CA-MIC: Transfers audio from a microphone

connected to this unit’s MIC IN (CH1/CH2)

connector to the camera control unit.

CA-LINE: Transfers audio from a line output

connected to this unit’s MIC IN (CH1/CH2)

connector to the camera control unit.

1Cursor knobs (for DXC-D30/D30P)

When the CURSOR switch 8is set to A or B, this

adjusts the position and size of the box cursor that is

displayed in the viewfinder of the DXC-D30/D30P.

H-POSITION: Adjusts the horizontal position of the

box cursor.

V-POSITION: Adjusts the vertical position of the

box cursor.

WIDTH: Adjusts the width of the box cursor.

HEIGHT: Adjusts the height of the box cursor.

2TALLY switch

Set this switch to the ON position to activate the back

tally indicator 3.

3Back tally indicator (red)

When the TALLY switch 2is in the ON position, this

indicator lights (in red) in response to this unit’s

operating status. It also lights when the CALL button

on the camera control unit or remote control panel has

been pressed.

4CALL button 7UHF portable tuner

taps

1Cursor knobs

2TALLY switch

5AUDIO SELECT (CH1/CH2) switches

6MIC IN +48V (CH1/CH2) switch

3Back tally indicator

8CURSOR switch

Illustration: CA-TX7

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Location and Function of Parts

6MIC IN +48V (CH1/CH2) switch

Selects whether or not to supply power to a

microphone connected via the MIC IN CH1 and CH2

connectors.

ON: Supplys +48-V power to microphone.

OFF: Do not supply power to microphone.

Leave this switch in the ON position when using a

microphone of phantom powering1) type.

7UHF portable tuner taps

When using an optional WRR-810A UHF Portable

Tuner, attach the holder and bracket (supplied with

the WRR-810A) for the portable tuner mounting

adapter.

For details of attaching and using the WRR-810A, see the

Operating Instructions for the WRR-810A.

8CURSOR switch (for DXC-D30/D30P)

Selects whether or not to display a box cursor in the

DXC-D30/D30P Color Video Camera’s viewfinder.

B: Displays box cursor B.

A: Displays box cursor A.

OFF: No box cursor is displayed.

Note

No cursor is displayed in the viewfinder when using a

DXC-637 series camera.

1) Phantom powering: Powering method for operating

condenser microphones by supplying power via a bias

power source and an amplifier. Because no DC voltage

is present in the audio channel, it is called “phantom

powering”.

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Connectors on the Rear and Right Side

5CCU connector

6DATA connector

7DC OUT connector

8DC IN connector

1INTERCOM/PROGRAM connector

2PROMPTER OUT connector

3RETURN OUT connector

4MIC IN (CH1/CH2) connectors

1INTERCOM/PROGRAM connector (XLR

5-pin, male)

Connect a headset for monitoring intercom audio or

program audio. Normally, a monaural (one-side)

headset should be connected.

An internal adjustment can be made to enable both

sides of the headset to receive audio, with intercom

audio on the left side and program audio on the right

side.

Contact your Sony dealer for further information on this

internal adjustment.

2PROMPTER OUT (teleprompter video signal

output) connector (BNC type)

Outputs teleprompter video signals1) from the camera

control unit. (This unit can treat color teleprompter

video signals.)

If you have made the internal adjustment to change the

teleprompter video signal transfer direction so that

signals are transferred from this unit to the camera

control unit, this connector becomes the input

connector for teleprompter video signals.

Contact your Sony dealer for further information on the

internal adjustment to change the teleprompter video signal

transfer direction.

3RETURN OUT (return video signal output)

connector (BNC type)

Outputs return video signals from a camera control

unit. Use the RETURN 1 and RETURN 2 buttons to

switch between the two return video signals.

4MIC IN (CH1/CH2) (MIC inputs, channel 1 and

channel 2) connectors (XLR 3-pin, female)

Connect external microphones or other equipment as

sources for audio to be transferred to the camera

control unit’s channel 1 or 2.

Set the AUDIO SELECT (CH1/CH2) switch to select

the channel for the connected equipment.

1) Teleprompter video signals: Video signals for prompter

which displays scripts in the television monitor by the

camera lens or on the face of a one-way mirror

positioned directly in front of the camera lens so that

performers can read scripts while looking into the

camera lens.

Illustration: CA-TX7

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Location and Function of Parts

5CCU (Camera control unit) connector (CA-

TX7: Kings triaxial connector, CA-TX7P: Fischer

triaxial connector)

Connect a camera control unit via a triaxial cable. In

addition to supporting signal transmission between this

unit and the connected camera control unit, the triaxial

cable enables this unit to receive its power supply via

the camera control unit.

Using a coaxial cable to connect the camera control

unit

The CCU connector must be refitted to enable

connection of a coaxial cable. Note that connecting a

coaxial cable makes it impossible for this unit to

receive power from the camera control unit. Use a

CMA-8A/8ACE AC Adaptor for AC power sources.

Contact your Sony dealer for more information on refitting

the CCU connector.

6DATA connector (10-pin)

Outputs control signals for the lens (focus or zoom

control) and the tripod head (panning or tilting) that

are sent from a remote control panel connected to the

camera control unit.

For further information about using this connector, consult

your Sony dealer.

7DC OUT connector (4-pin)

Use this connector when supplying power (DC 12V,

Max. 12 W) to a WRR-810A UHF Portable Tuner

(supplied separately) or an LCD teleprompter unit.

Note

Never connect a unit that has a power consumption

rating of more than 12 W.

8DC IN connector (XLR 4-pin)

When connecting this unit to a camera control unit via

a coaxial cable, use this connector for a CMA-8A/

8ACE AC Adaptor (supplied separately). Use the

CCQX-3 DC power cord to connect the CMA-8A/

8ACE to this unit.

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