Kenwood CG-931 User Manual Download

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CG-931

INSTRUCTION MANUAL

KENWOOD CORPORATION

©PRINTED IN J A P A N

KENWOO

D

Color Pattern Generator

CG-932

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Summary of Contents for CG-931

Page 1: ...CG 931 INSTRUCTION MANUAL KENWOOD CORPORATION PRINTED IN JAPAN KENWOOD Color Pattern Generator CG 932 ...

Page 2: ...A p r o d u c t o f KENWOOD CORPORATION 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan 2 ...

Page 3: ...tterns It is used in the testing adjustment and repair of NTSC PAL format color and black and white television receivers and the imaging components of video recorders VTR In addition remote controllable models are available which enable all patterns to be switched remotely via the optional remote controller RT 62 This manual was written for use with both the CG 931 and CG 932 models The main flow ...

Page 4: ...ent of white balance The device enables raster alignment and investigation and adjustment of convergences by use of center cross and dot patterns The device enables evaluation of high voltage sta bility via window patterns The device is provided with a 75 ohm video output for video components and all types of TV monitors and a 75 ohm RF output for television receivers T o facilitate observation of...

Page 5: ...ndard SMPTE ECR 1 1978 standard CG 932 BARS 1 2 minute increments BARS 2 3 minute increments I Q W OFF Full field color bars PAL U V W CHROMA OFF Luminance only pattern o b t a i n e d by r e m o v i n g chrominance component from color bar signal LUMI OFF Chrominance only pattern ob tained by removing luminance component from color bar signal D Video Output Output level CAL 1 0 V p p under 75 ohm...

Page 6: ...ignal Output Frequency Horizontal and vertical frequen cies Output voltage About 1 V p p output terminal open Output impedance 75 ohm D Sub carrier Wave CG 931 3 579545 MHz Frequency CG 932 4 433619MHz D Sub carrier Wave Output Frequency Center frequency 100 Hz adjustable to within 5 Hz Output voltage About 1 V p p output terminal open Output impedance 75 ohm C D Color burst Minimum 8 cycles at ba...

Page 7: ...mV p p 6 0 0 0 0 0 3 0 0 Chroma level 5 mV p p 4 7 0 300 3 0 0 3 0 0 Chroma phase 5 deg V 3 4 7 0 9 0 1 3 5 Chroma phase 5 deg V 13 0 2 7 0 3 1 5 Level Control CHROMA Level The raster or color bar chrominance level can be varied over a range of 20 However the maximum value for the amplitude of the yellow and cyan color bar signals can be preset to give the same level as the 100 white signal LUMINA...

Page 8: ...250 V 50 60 Hz Power About 17 W Consumption Temperature within specification 10 35C RH 85 max full operation 0 40C RH 85 max Dimensions 212 W X 133 H X272 D mm Max 212 W X156 H X298 D mm Weight 3 5 kg Accesories Power cord 1 Connecting chord CA 41 1 BNC Worm clip Instruction Manual 1 Fuses 2 ...

Page 9: ...n performing adjustment and testing proce dures use the INTERLACE mode for color patterns and for monochrome patterns use the SEQUENTIAL mode to reduce the occurrence horizontal flicker D Raster Select Switch Switch for selecting the raster color Moving from left to right this switch enables selection of red blue green or white brightness 100 The raster white is represented by white with a brightn...

Page 10: ...l The Y C separation output terminal 1 Y GND 2 C GND 3 Y SIGNAL 4 C SIGNAL Y LEVEL The Y component of the S output can be varied over a range of 20 by manipulation of the corre sponding turn knob It is calibrated while turned all the way counterclockwise C LEVEL The C component of the S output can be varied over a range of 20 by manipulation of the corre sponding turn knob It is calibrated while t...

Page 11: ...n this button is pushed the screen display a 1 x 1 line white on black center cross DOT When this button is pushed the screen displays a 15x19 white on black dot pattern W I N D O W When this button is pushed the screen displays a 0 5x0 5 white on black window pattern RASTER When this button is pushed the screen becomes a raster grid whose color can be selected red blue green or white via the sele...

Page 12: ...n lamp on the upper portion lights up and the luminance compo nent of the color pattern is removed If the button is pushed again the screen returns to the previous state and the green lamp cuts off BARS SELECTOR For the CG 931 Switches between a ElA RS 189A standard color bar and a SMPTE specification color bar For the CG 932 Selects one of two different split color bars NOTE Switches operate inde...

Page 13: ...use Holder Supply Voltage Switch The fuse holder contains a 0 7 A fuse for use in 100 V and 120 V regions and a 0 3 A fuse for use in 220 V and 240 V regions For directions regarding fuse replacement please see Section 7 Maintenance The preset supply voltage of the device is indicated on the upper portion of the supply voltage switch below the mark For directions regarding resetting of the supply ...

Page 14: ...When using the device in connection to a TV receiver be sure to match the device s RF channel correctly to that of the TV receiver ACHIEVING OPERATION Plug the powercord into an AC socket AFTER you have made sure that the voltage of your power supply matches the voltage to which the SUPPLY VOLTAGE switch on the rear panel is set Push the POWER switch 1 The POWER LED will light up and the device wi...

Page 15: ... Full Field Color Bar Set I O W U V W to OFF Used when the Q I U V and white signals are not required for operations such as adjust ment of a above c Gray Scale Gray scale patterns can be obtained by removing the chrominance component from the color bar by pressing the Color Selector CHROMA OFF button to display only the luminance component These patterns can be used for the adjustment investigati...

Page 16: ...SIGNAL EIA COLOR BAR BARS 1 SIGNAL SMPTE COLOR BAR BARS 2 SIGNAL 16 7 5 GRAY YELLOW Z o GREEN z o ED BLUE 2 5 1 WHITE 0 BLA 6 7 GRAY YELLOW 2 O z ui y Q e MAGENTA RED BLUE 8 blu blk mg btk c btk w 2 5 I W 0 BLACK ...

Page 17: ... Pin Number A B C D Combinations of Pattern Signals 1 L H H H 2 H L H H 3 L L H H 4 H H L H 5 L H L H 6 H L L H 7 L L L H 8 H H H L D 9 L H H L 10 H L H L 11 L L H L RT 62 Pin Number Control Signal Combinations of Pattern Signals RT 62 Pin Number A B C D Combinations of Pattern Signals 12 H H L L 13 L H L L 14 H L L L 0 15 L L L L D 0 16 H H H H CROSS HATCH CENTER CROSS DOT WINDOW RASTER R RASTER ...

Page 18: ...tlet 2 Remove the fuse holder in the rear panel using a standard screwdriver 3 Take out the blown fuse and in its place insert a new fuse 4 Set the label of your line voltage to the mark then plug the fuse holder containing the new fuse into the rear panel CHANGING THE SUPPLY VOLTAGE Remove the fuse holder in the rear panel using a standard screwdriver Then set the label of your line voltage to th...

Page 19: ...cated on the top and side panels 2 Adjusting the sub carrier frequency Connect a counter to the sub carrier output on the rear panel and adjust C17 using the insulated adjustment rod For the CG 932 adjust C12 BE SURE NOT TO TOUCH C17 C17 Adjusts the subcarrier frequency in the CG 931 Be sure not to touch this trimmer in the CG 932 C1 2 Adjusts the sub carrier frequency in the CG 932 This trimmer i...

Page 20: ...oduce a high frequency amp into the connection with the counter OBe sure to use a terminal resistance of 75 ohms RT 62 Remote Controller A hand held controller that allows remote operation of the instrumentation The controller contains two con trol systems which use 4 bit binary signals and it allows switching to be accomplished among 16 ranges and modes in as many as eight steps each In addition ...

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