JVC TK C920 User Manual

®
For Customer Use:  
Enter below the Serial No. which is located on the body.  
COLOR VIDEO CAMERA  
Instructions  
Retain this information for future reference.  
Thank you for purchasing the JVC color video camera.  
Model No.  
To obtain the best results from your new camera, read these instructions carefully before use;  
Serial No.  
retain the manual for future reference.  
WARNING:  
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOIS-  
TURE.  
TK-C920/TK-C921  
Information for USA  
These instructions are for TK-C920U,TK-C920E and TK-C921EG.  
This device complies with Part 15 of the FCC Rules.  
Changes or modifications not approved by JVC could void the user’s authority to operate the equipment.  
IMPORTANT SAFEGUARDS  
2. Save these instructions for later use.  
3. All warnings on the product and in the operating instructions should be adhered to.  
4. Unplug this appliance system from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners.  
Use a damp cloth for cleaning.  
5. Do not use attachments not recommended by the appliance manufacturer as they may cause hazards.  
6. Do not use this appliance near water - for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet  
basement, or near a swimming pool, etc.  
7. Do not place this appliance on an unstable cart, stand, or table. The appliance may fall,  
causing serious injury to a child or adult, and serious damage to the appliance may fall,  
causing serious injury to a child or adult, and serious damage to the appliance.  
Use only with a cart or stand recommended by the manufacturer, or sold with the appliance.  
Wall or shelf mounting should follow the manufacturer’s instructions, and should use a mounting  
kit approved by the manufacturer.  
An appliance and cart combination should be moved with care. Quick stops, excessive  
force, and uneven surfaces may cause the appliance and cart combination to overturn.  
8. Slots and openings in the cabinet and the back or bottom are provided for ventilation, and to  
insure reliable operation of the appliance and to protect it from overheating, these openings  
must not be blocked or covered. The openings should never be blocked by placing the appliance on a bed, sofa,  
rug, or other similar surface. This appliance should never be placed near or over a radiator or heat register. This  
appliance should not be placed in a built-in installation such as a bookcase unless proper ventilation is provided.  
9. This appliance should be operated only from the type of power source indicated on the marking label. If you are  
not sure of the type of power supplied to your home, consult your dealer or local power company. For appliance  
designed to operate from battery power, refer to the operating instructions.  
10. This appliance system is equipped with a 3-wire grounding type plug (a plug having a third (grounding) pin). This  
plug will only fit into a grounding-type power outlet.This is a safety feature. If you are unable to insert the plug into  
the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding  
plug.  
INFORMATION (FOR CANADA) RENSEIGNEMENT (POUR LE CANADA)  
This Class [B] digital apparatus complies with Canadian ICES-003.  
1. Read all of these instructions.  
Cet appareil numérique de la classe [B] est conforme à la norme NMB-003 du Canada.  
Due to design modification, data given in this instruction book are subject to possible change  
without prior notice.  
PRECAUTIONS  
Picture may not appear correctly if white-spot correction is performed incorrectly. Follow the  
PORTABLE CART WARNING  
(symbol provided by RETAC)  
steps listed in the instructions. (Reference: White-spot correction I) Do not perform this op-  
eration when there are no white spots.  
If an AGC switch is turned on, the sensitivity increases automatically in dark places. It is not a  
failure when the image looks grainy.  
If a zoom lens is used, check the back focus before mounting the camera. This also applies to  
lens ALC and LEVEL. (See the instructions on lenses for details.)  
If a high-intensity object (such as a lamp) is shot, the image on the screen may have vertical  
lines (smear) or blur (blooming) at its periphery (especially in AES mode).This is a characteristic  
of the CCD, and is not a defect.  
S3125A  
If an EE lens is used, set the automatic electronic shutter switch (AES) to OFF. If set to ON,  
flickering may occur. If a manual iris lens is used, set the AES to ON.  
When used in hot places, vertical lines may appear on the screen of this camera. This is a  
characteristic of the CCD and not a failure of the camera.  
The automatic tracking system may not function properly when shooting with non-standard  
lighting or lighting with a color temperature which exceeds the capability of the camera. In such  
a case, set to the “MANU” position.  
If the camera subject is a single solid color (other than white), the auto white circuit will normally  
attempt to change this color to white. In the case of this camera, if it cannot make a correct prediction,  
the previous white balance setting will be maintained until the subject colors become more varied.  
Noise may appear in the picture and/or the colors may be incorrect if the camera is used near a radio  
or television transmitting antenna, in places where strong electromagnetic waves are generated by  
transformers, motors, etc., or near devices emitting radio waves, such as transceivers or cellular phones.  
To save energy, be sure to turn off the system when not in use.  
11. For added protection for this product during a lightning storm, or when it is left unattended and unused for long  
periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent  
damage to the product due to lightning and power-line surges.  
12. Do not allow anything to rest on the power cord. Do not locate this appliance where the cord will be abused by  
persons walking on it.  
13. Follow all warnings and instructions marked on the appliance.  
14. Do not overload wall outlets and extension cords as this can result in fire or electric shock.  
15. Never push objects of any kind into his appliance through cabinet slots as they mat touch dangerous voltage  
points or short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the appliance.  
16. Do not attempt to service this appliance yourself as opening or removing covers may expose you to dangerous  
voltage or other hazards. Refer all servicing to qualified service personnel.  
17. Unplug his appliance from the wall outlet and refer servicing to qualified service personnel under following conditions:  
a. When the power cord or plug is damaged or frayed.  
MOUNTING A LENS  
1. Before mounting a lens, check whether it is a C-mount or CS-mount lens.  
If a C-Mount lens is used, loosen the back-focus locking screw (M 2.6) using a Phillips A  
head screwdriver, turn the back-focus adjusting ring with your fingers or the screw-  
driver and change the mounting method.  
2. Dimension (b) of the lens shown in the illustration must be as shown in the table  
below. If (b) exceeds the value in the table, it may damage the inside of the camera  
b. If liquid has been spilled into the appliance.  
c. If the appliance has been exposed to rain or water.  
d. If the appliance does not operate normally by following the operating instructions. Adjust only those controls  
that are covered by the operating instructions as improper adjustment of other controls may result in damage  
and will often require extensive work by a qualified technician to restore the appliance to normal operation.  
e. If the appliance has been dropped or the cabinet has been damaged.  
B  
or correct mounting may be impossible; never use such lenses. Do not attach the C-  
mount lens when using a CS-mount.  
Lens  
C mount lens  
CS mount lens  
Flange back (c)  
17.526mm  
12.5mm  
Dimension (b)  
10mm or less  
5.5mm or less  
f. When the appliance exhibits a distinct change in performance - this indicates a need for service.  
18. When replacement parts are required, be sure the service technician has used replacement parts specified by the  
manufacturer that have the same characteristics as the original part. Unauthorized substitutions may result in fire,  
electric shock, or other hazards.  
19. Upon completion of any service or repairs to this appliance, ask the service technician to perform routine safety  
checks to determine that the appliance is in safe operating condition.  
The F mark indicates a focal point.  
3. Mount the lens on the camera by turning the lens clockwise. Adjust its position.  
4. When using an auto-iris lens with an EE amplifier, turn the switch to the “VIDEO” C  
side. When no EE amplifier is equipped, turn the switch to the “DC” side.  
5. If the lens has an auto-iris mechanism,  
For USA and CANADA  
Connect the lens cable after checking the pin arrangement.  
The lightning flash with arrowhead symbol,  
within an equi-lateral triangle, is intended to  
alert the user to the presence of uninsulated  
“dangerous voltage” within the product’s en-  
closure that may be of sufficient magnitude to  
constitute a risk of electric shock to persons.  
Lens  
DC IRIS  
(does not contain EE amplifier)  
VIDEO IRIS  
(contain EE amplifier)  
9.5V [Max. 50 mA]  
NC  
VIDEO  
GND  
1 3  
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
Pin No.  
+
1
2
3
4
Brake  
Brake  
Drive  
Drive  
The exclamation point within an equilateral tri-  
angle is intended to alert the user to the pres-  
ence of important operating and maintenance  
(servicing) instructions in the literature accom-  
panying the appliance.  
CAUTION:TO REDUCE THE RISK OF ELECTRIC SHOCK.  
DO NOT REMOVE COVER (OR BACK).  
+
2 4  
NO USER SERVICEABLE PARTS INSIDE.  
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
* 4 pin plug, service part number: SCV2859-001  
For details, please consult your JVC dealer.  
CONNECTION  
A
B
F
1. When the camera is powered, the POWER LED lights up.  
(b)  
CAMERA type  
power  
TK-C920U  
TK-C920E  
AC 24V  
AC 24V  
~
~
(class 2 only) or DC 12V  
(isolated power only) or DC12V  
TK-C921EG  
AC 220V to 240V  
~
(The power cable is  
2500mm in length.)  
(c)  
U/E only: Installing the ferrite core  
To retain electromagnetic compatibility, use the ferrite core provided when connecting to the power source.  
* Install the ferrite cores within 50 mm of the camera-side connectors.  
• Never connect the DC 12V and AC 24V power inputs simultaneously.  
VIDEO  
DC  
C
E
D
F
• Be sure to observe the correct +, – polarity when connecting a DC 12V power input.  
(d)  
LEVEL  
EG only: When you use this camera, the socket - outlet must be installed near the equipment to  
make disconnect on easily.  
2. Connect to a video monitor, etc. (751)  
IRIS  
3. To install the camera onto a tripod, fixing unit, or pan/tilt unit, use the fall-preventive  
VIDEO  
DC  
D  
L
H
LEVEL  
socket (d) shown in the illustration.  
COLOR VIDEO CAMERA  
Special precautions must be taken for mounting the camera on a wall or a ceiling.  
We are not liable for any damage caused by improper installation.  
4. Installation of camera  
• Mounting from the bottom  
E  
This camera is originally designed to be mounted from the bottom, as shown q.  
The hole is standard photographic pan-head screw size (1/4-20 UNC). Example  
the Fixing unit or Pan/Tilt unit.  
q
w
4 mm  
2 mm  
IRIS  
• Mounting from the top  
VIDEO  
DO  
L
H
LEVEL  
COLOR VIDEO CAMERA  
Remove the CAMERA MOUNTING BRACKET (e) from the bottom of the camera by removing  
two fixing screws as shown w. Attach the CAMERA MOUNTING BRACKET (e) to the top,  
then mount the camera on the Fixing Unit as shown e. Make sure that two original screws are  
used when mounting the CAMERA MOUNTING BRACKET (e); longer type screws (over 5mm)  
may damage inner components.  
TK-C920  
(e)  
(This camera is used indoor and under similar conditions.)  
e
Fall Prevention  
Exercise maximum caution when installing the unit to the wall or ceiling. You should  
not engage in the installation work yourself. Ask a professional to do the job, since F  
the fall of the unit can result in injuries and accidents.  
6mm  
When installing the unit on a fixer, turn table, etc., make sure to install it firmly using  
a rotation-preventing hole provided to prevent fall.  
ON-AGC  
FF  
O
S
ON-AE  
FF  
O
O
AUT  
LC  
ON-B  
FF  
O
As a failsafe against falling, attach the unit by chain, wire cable or other safety restraint to an appropri-  
ate anchor point. Attach the fall prevention wire using the black screw on the upper surface of the  
camera as shown in figure F. When changing the side at which CAMERA MOUNTING BRACKET is  
installed, be sure to change the attachment side of the fall prevention wire also to the appropriate side.  
Specified screw (TK-C920: M2.6 × 4 mm, TK-C921: M3 × 6 mm)  
MANU  
INT  
2mm  
.
HT  
W
PH
IRIS  
VIDEO  
DO  
T
U
O
L
H
B
LEVEL  
COLOR VIDEO CAMERA  
R
TION  
C
U
STR  
N
SEE  
I
AL  
U
N
MA  
ET  
RES  
POWER  
TK-C921  
Never use any screw longer than the specified length as the inside can be damaged.  

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