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JVC TK-C920 Camcorder User Manual

1. COLOR VIDEO CAMERA COLOR VIDEO CAMERA Instructions T hank you for purchasing the JVC color video camera To obtain the best results from your new camera read these instructions carefully before use retain the manual for future reference WARNING T O PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS UNIT TO RAIN OR MOIS TURE Information for USA 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 INFORMATION FOR CANADA RENSEIGNEMENT POUR LE CANADA This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme a 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 steps listed in the instructions Reference White spot correction gt 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
2. TK C920 370 g TK C921 710 g Ambient temperature Mass DIMENSIONS Unit mm Design and specifications are subject to change without notice gt K
3. excessive force and uneven surfaces may cause the appliance and cart combination to overturn 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 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 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 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
4. improves an image that is darkened because of backlighting Set this switch to ON for backlight subjects AES Automatic Electronic Shutter Turning this switch ON when a lens with a manual iris diaphragm is used enables the auto matic adjustment of image brightness In this case the shutter speed changes according to the brightness of the subject Hunting may occur at a certain object brightness due to the mechanism of the AES circuit but this is not a fault AGC Automatic Gain Control The switch automatically increases the camera s sensitivity when the level of ambient light drops ON AGC is activated OFF AGC is not activated SPECIFICATIONS Image pickup device Number of effective pixels 1 3 inch interline transfer CCD TK C920U 768 H x 494 V TK C920E TK C921EG 752 H x 582 V Internal Line lock U type 60 Hz E EG type 50 Hz regions only U type H 15 734 kHz V 59 94 Hz E EG type H 15 625 kHz V 50 Hz 535 TV line H Typ Video output Composite video signal 1 V p p 75Q unbalanced Video S N ratio 50 dB AGC OFF Minimum required illumination 0 7 Ix F1 2 AGC ON 25 Synchronization method Scanning frequency Resolution Lens mount C CS mount Power supply TK C920U AC24V 60Hz DC12 V 4 7 W and power consumption TK C920E AC24V 50 60Hz DC12 V 380 mA TK C921EG AC220 V 240 V 50 60Hz 57 mA 10 C to 50 C operation 0 C to 40 C recommended
5. antenna or cable system This will prevent damage to the product due to lightning and power line surges 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 Follow all warnings and instructions marked on the appliance Do not overload wall outlets and extension cords as this can result in fire or electric shock 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 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 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 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
6. cabinet has been damaged f When the appliance exhibits a distinct change in performance this indicates a need for service 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 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 PORTABLE CART WARNING symbol provided by RETAC wala 83125A For USA and CANADA 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 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 RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL b E
7. 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 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 MOUNTING A LENS 1 2 To save energy be sure to turn off the sy
8. unintentionally may occur In such a case first set LEVEL potentiometer on the lens to the H iris open position then adjust it to the optimum level Back focus adjustment The back focus has been factory adjusted to the best point for CS mount lens but it gt H may need to be re adjusted if the mount is changed to the C mount or if a different lens is used If required adjust it as follows If the focus can not be adjusted correctly by rotating the lens focus ring adjust the back focus as follows 1 Loosen the back focus locking screw by turning it counterclockwise with a screwdriver 2 Shoot a pattern closely 3 Turn the lens focus ring to 4 Turn the back focus adjustment ring to focus at the best point 5 Tighten the back focus locking screw by turning it clockwise When using a zoom lens adjust the focus for telephoto wide angle and maximum wide angle SETTING SWITCH White spot correction gt l As a general characteristic unique to CCD white spots may appear on the screen Take the follow ing steps in order to reduce the number of white spots 1 Attach the lens cap switch on the camera power supply and wait for 30 minutes 2 Remove the sticker and press and hold the switch for more than 2 seconds using a thin rod Do not use a metal rod The white spot correction feature of this unit does not guarantee the correction of all white spots Line Lock U type 60Hz power region only E EG type 5
9. 0Hz power region only p J To set the camera in LL mode for synchronization with the power supply frequency take the following steps 1 Turn switch to LL 2 Turn switch to PHASE 3 Press the or button to make the phase variable Adjust with the button so that the vertical phase of the camera matches the vertical phase of another camera or system with a multi channel oscilloscope For initial setting press RESET button o White Balance White balance can be adjusted within the scope of 2300K to 10000K color temperature When switch is at AUTO the white balance is adjusted automatically When Hunting Auto Tracking White Balance symptoms occur when using an Auto iris lens with switch positions of AGC is on AES is on Int lock with AC24V Power source turn switch to LL When Hunting Auto Tracking White Balance symptoms occur when using a Manual iris lens with switch positions of AGC is on AES is on Int lock with DC12V Power source please adjust or close iris ring on the lens For manual adjustment take the following steps 1 Turn switch to MANUAL 2 Turn switch to WHT BAL 3 Pressing R button increases redness while pressing B increases blueness For initial setting press RESET button There are cases sometimes when the white balance cannot be adjusted manually for artifical lights such as fluorescent lights etc BLC Back Light Compensation The switch
10. BF LOCK DIGITAL COLOR VIDEO CAMERA J TK C921 VICTOR COMPANY OF JAPAN LIMITED 30 1 4 20UNC 2004 VICTOR COMPANY OF JAPAN LIMITED Printed in Thailand LWT0124 001B H JVC is a Registered Trademark owned by VICTOR COMPANY OF JAPAN LTD JVC is a Registrated Trademark in Japan the U S A the U K and many other countries LENS ADJUSTMENT Video adjust gt G Connect the camera according to the connection method turn it on display an image on the monitor and check the image The camera has been factory adjusted to the best position but it may need to be adjusted according to the object conditions or combination of lenses If the image is unnatural adjust it as follows e LEVEL adjustment Monitor screen Too bright Too dark ALC adjustment Monitor screen Part high intensity part of the screen halates Other part of screen except high intensity part darkens LEVEL turning direction Counterclockwise Toward L Clockwise Toward H ALC turning direction Clockwise Toward Pk Counterclockwise Toward Av If the sensitivity adjustment LEVEL is turned excessively to L the sensitivity increases because of the AGC function of the camera and the image looks grainy If the video iris lens is set to too low a level malfunction such as the hunting phenomenon in which the iris opens or closes
11. JVC For Customer Use Enter below the Serial No which is located on the body Retain this information for future reference Model No Serial No TK C920 TK C921 Th RON ou 10 12 13 14 15 16 17 18 19 ese instructions are for TK C920U TK C920E and TK C921EG IMPORTANT SAFEGUARDS Read all of these instructions Save these instructions for later use All warnings on the product and in the operating instructions should be adhered to Unplug this appliance system from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning Do not use attachments not recommended by the appliance manufacturer as they may cause hazards Do not use this appliance near water for example near a bathtub washbowIl kitchen sink or laundry tub in a wet basement or near a swimming pool etc 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
12. ed the POWER LED lights up CAMERA type power TK C920U class 2 only or DC 12V TK C920E isolated power only or DC12V AC 24V AC 24V AC 220V to 240V The power cable is 2500mm in length TK C921EG 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 Be sure to observe the correct polarity when connecting a DC 12V power input EG only When you use this camera the socket outlet must be installed near the equipment to make disconnect on easily 2 3 Fall Prevention Connect to a video monitor etc 759 To install the camera onto a tripod fixing unit or pan tilt unit use the fall preventive socket d shown in the illustration 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 Installation of camera e Mounting from the bottom This camera is originally designed to be mounted from the bottom as shown 1 The hole is standard photographic pan head screw size 1 4 20 UNC Example the Fixing unit or Pan Tilt unit e Mounting from the top Remove the CAMERA MOUNTING BRACKET e from the bottom of the camera by removing two fixing screws as shown 2 At
13. stem when not in use 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 head screwdriver turn the back focus adjusting ring with your fingers or the screw driver and change the mounting method 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 or correct mounting may be impossible never use such lenses Do not attach the C mount lens when using a CS mount Lens Flange back c C mount lens 17 526mm CS mount lens 12 5mm The F mark indicates a focal point gt B Dimension b 10mm or less 5 5mm or less Mount the lens on the camera by turning the lens clockwise Adjust its position When using an auto iris lens with an EE amplifier turn the switch to the VIDEO side When no EE amplifier is equipped turn the switch to the DC side If the lens has an auto iris mechanism Connect the lens cable after checking the pin arrangement Lens DC IRIS VIDEO IRIS 1 3 does not contain EE amplifier contain EE amplifier 1 Brake 9 5V Max 50 mA 2 Brake NC 3 Drive 4 Drive 4 pin plug service part number SCV2859 001 For details please consult your JVC dealer Pin No VIDEO GND 24 CONNECTION 1 When the camera is power
14. tach the CAMERA MOUNTING BRACKET e to the top then mount the camera on the Fixing Unit as shown Make sure that two original screws are used when mounting the CAMERA MOUNTING BRACKET e longer type screws over 5mm may damage inner components This camera is used indoor and under similar conditions pD E Exercise maximum caution when installing the unit to the wall or ceiling You should gt F not engage in the installation work yourself Ask a professional to do the job since the fall of the unit can result in injuries and accidents 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 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 x 4 mm TK C921 M3 x 6 mm Never use any screw longer than the specified length as the inside can be damaged A Ea TK C920 ena s o ess Doss Oeon wir BAL amp EE INSTRUCTION is MANUAL TK C921 COLOR VIDEO CAMERA U1 32

JVC TK-C920 Camcorder User Manual

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