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Technical Manual LDK 20(S) - Studio Camera

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Summary of Contents for STUDIO CAMERA LDK 20(S)

Page 1: ...LDK 20 S LDK 20 S LDK 20 S LDK 20 S LDK 20 S Studio Camera Technical Manual 3922 496 48591 St 00...

Page 2: ...ification au cours de l volution technique Thomson Multimedia Broadcast Solutions 2002 We Thomson Broadcast Solutions Nederland B V Kapittelweg 10 4827 HG Breda The Netherlands declare under our sole...

Page 3: ...duction 3 2 Printed circuit boards 3 2 Frontmodule 3 3 FilterwheelCassette 3 4 Powersupply 3 4 Adjustments 4 1 Introduction 4 2 Test Equipment 4 3 Set up Instructions 4 3 Video Processor 1 Board 4 5 D...

Page 4: ...our environment This informationontheinstallationofthecameraiscontained in Section 2 of the manual The remaining sections of themanualprovidefirstlineserviceinformationsothat suitably qualified servic...

Page 5: ...al LDK 20 S Studio Camera 1 1 Section 1 Safety Instructions This section outlines the precautions that must be taken into account when using the LDK 20 S StudioCamera Contents Safety Summary 1 2 Cauti...

Page 6: ...ings indicate danger that requires correct procedures orpracticestopreventdeathorinjurytopersonnel Cautions indicate procedures or practices that should be followed to prevent damage or destruction to...

Page 7: ...y a metal strap The protective earth terminal is internally connected to the protective earth conductor of the power cable If required the central earth connection wire of the studio can be connected...

Page 8: ...1 4 Technical Manual LDK 20 S Studio Camera Safety Instructions...

Page 9: ...era into yourstudiosystemareprovided Theproceduresforthecustomizationofcertainhardwarefunctions and connector information is also provided Contents Packing Unpacking 2 2 Local Remote Power Supply 2 2...

Page 10: ...address model number full serial number and the return number which will be supplied by your Thomson Multimedia Broadcast Solutions service centre If the original packing can no longer be used the fol...

Page 11: ...he next chapters for instructions Locationofadjustments Turn the two screws on the left side panel 90 counterclockwiseandswingdownthecover Turnthe twoscrewsontherightsidepanel90 counterclockwise and s...

Page 12: ...entation Back Focus Adjustment To adjust the back focus of the lens refer to the documentation of the lens Test Sawtooth A test sawtooth signal is normally only used for adjustmentprocedures JumperX3o...

Page 13: ...gue channel 1 AN 1 input on the base station can be used to switch the aspect ratio This allows multiple camera switching This function can be selected in the menu system of the camera or MCP To selec...

Page 14: ...3formatortothe16 9formatdependingonthe position of the aspect ratio switch Cadreappearance Switch S7 on the Sync shading board allows the cadre in the viewfinder to take the form of two dotted lines o...

Page 15: ...n the Audio Intercom LF board Position AB the factory setting selects the tracker microphone sidetone signal position AC selects the ENG signal Intercom microphone signals Thegainofthecameramanmicroph...

Page 16: ...t the function of the base station to camera channeluseS801ontheAudio intercomboard Position ABselectstheProgrfunction factorysetting position AC selects the private data function To select the functi...

Page 17: ...op 13 Not connected 14 Not connected 15 Record Tally 16 Not connected 17 Camera ground shield 18 Playback video input 19 Playback video return 20 Audio monitoring VTR Save 21 Not connected 22 Not conn...

Page 18: ...15 pin female panel view part number 3922 406 Viewfinderconnector 1 Video VF Y Sync 2 R Y Video 3 B Y Video 4 Power return 5 Housing 6 12 Vdc 7 SCL 8 INTN 9 Video VF return 10 R Y B Y return 11 12 Vdc...

Page 19: ...eraheadsetconnector 1 Telephone left 2 Not connected 3 Microphone 4 Microphone return 5 Telephone right 6 Telephone return XLR 5 pin female panel view part number 2432 026 00176 XLR 3 pin female panel...

Page 20: ...tracker 5 Sidetone tracker 6 Return 7 Program tracker 8 Cameraman microphone 9 Tally control tracker Cmos level R out 1k 10 12V I max 100mA 11 12V return Microphone level 58dBu 20dBu switchable Microp...

Page 21: ...udio Mic 3 pin XLR female 242202602984 Auxiliary 11 pin Fischer female two slot 392204002512 2432 026 00254 male Tracker 11 pin Fischer female one slot 392204002463 2432 026 00252 male Data 4 pin Sour...

Page 22: ...approx 367 x 305 x 240 14 4 x 12 x 9 4 Ergonomics Moving VF position for easy camera fixing Operating ambient temperatures 20 to 45 C 4 to 113 F for Camera Head 0 to 45 C 32 to 113 F for all other ite...

Page 23: ...ction 3 Replacements Thissectiongivesinformationontheprocedurestofollowwhenreplacingprintedcircuitboardsand mechanical components at first line level Contents Introduction 3 2 Printed circuit boards 3...

Page 24: ...t adjustments to matchthenewboardstoyourcameraandsomaintain the performance levels The relevant adjustment procedures are referenced in section 4 The procedures for removing the modules should be foll...

Page 25: ...ove the four screws 1 securing the front assembly b Remove the front assembly from the camera c Remove the Front Interconnection Board by unscrewing two screws from the backside of the frontmodule d L...

Page 26: ...into the camera b Tighten the two screws to secure the cassette to the body of the front module c Replace the cover and tighten the two screws 1 Filterwheel Cassette Before removing the power unit 1...

Page 27: ...s Introduction 4 2 Test Equipment 4 3 Set up Instructions 4 3 Video Processor 1 Board 4 5 Digital Video Processor 4 10 Digital Video Processor 4 11 Digital Video Processor Subboard 4 12 Digital Video...

Page 28: ...quipment to realign the camera If no improvement can be achieved or an adjustment is out of range please contact your local supplier or the nearest Thomson Multimedia Broadcast Solutions Service Centr...

Page 29: ...ens and the necessary cables Allow the camera to warm up Operate the camera in stand alone mode Connect an MCP and OCP to the data connector on the right connector panel of the camera When the camera...

Page 30: ...15 17 19 21 23 4 6 8 10 12 14 16 18 20 22 24 2 S1 S3 S5 S7 S9 S11 S13 S15 S17 S19 S21 S23 S4 S6 S8 S10 S12 S14 S16 S18 S20 S22 S24 S2 B CONNECTOR MP MP 1 2 3 4 5 6 8 10 12 14 16 18 20 22 24 7 9 11 13...

Page 31: ...udio mode Off Flare Off White clip Off SETUP 2 MENU Soft cont Off SETUP 3 MENU Skin cont Off SETUP 4 MENU Notch Off Chroma Off Asp Ratio 4 3 SETUP 5 MENU Matrix sel 1 1 MAINT 1 MENU Wh shading Off Osc...

Page 32: ...set G Ampl G Saw offset G Dummy offset G MP210 MP 211 ZR211 ZR214 ZR206 ZR208 Black offset R Ampl R Saw offset R MP411 MP611 MP230 MP430 MP0 1 2 23 24 X55 G 6 R 12 B 15 MP611 ZR614 ZR608 Black offset...

Page 33: ...llows Master 50 R 50 G 50 B 50 Vertical sawtooth offset 8 Adjust for no sawtooth information Measure at Adjust with Required result Correct Incorrect MP211 ZR214 0 10 90 100 50mV 2mS 0 10 90 100 50mV...

Page 34: ...R256 MP110 MP100 MP630 MP450 MP250 MP650 MP90 MP41 MP44 MP40 MP80 MP240 MP640 Dummy offset R MP420 MP220 MP620 1 23 ZR611 ZR614 ZR606 ZR608 MP610 Black offset B Ampl B Saw offset B Dummy offset B ZR41...

Page 35: ...ope test Measure at Adjust with Required result Correct MP110 R112 25 S 0 10 90 100 0 2V 5 S 25 S t 25 0 S 90 10 17 Sawtooth horizontal shift Set master black level to 10 Adjust start sawtooth for 4 5...

Page 36: ...950 2 1 24 23 X52 2 1 24 23 X51 ZR632 Amplitude Black B ZR232 Amplitude Black R ZR432 Amplitude Black G ZR525 Black off set limiter sharp G ZR325 Black off set limiter sharp R ZR725 Black off set limi...

Page 37: ...Offset Level 2 Switch on colour bar 3 Adjust black offset during the active line to the same as the clamp level Measure at Adjust with Required result Correct X51 21 R ZR325 R 0mV R 0 10 90 100 Clamp...

Page 38: ...Processing 3922 406 84950 2 1 24 23 X52 2 1 24 23 X51 ZR632 Amplitude Black B ZR232 Amplitude Black R ZR432 Amplitude Black G ZR525 Black off set limiter sharp G ZR325 Black off set limiter sharp R ZR...

Page 39: ...R471 G 1400mV G 0 10 90 100 1400 mV 0 2V 10 S VA 1 40V Measure at Adjust with Required result Correct X51 22 R671 B 1400mV B 0 10 90 100 1400 mV 0 2V 10 S VA 1 40V NTSC Measure at Adjust with Required...

Page 40: ...0 2 1 24 23 X52 2 1 24 23 X51 ZR632 Amplitude Black B ZR232 Amplitude Black R ZR432 Amplitude Black G ZR525 Black off set limiter sharp G ZR325 Black off set limiter sharp R ZR725 Black off set limite...

Page 41: ...a video clip level of 102 Measure at Adjust with Required result Correct X51 21 R ZR341 R 1428mV R 0 10 90 100 0 5V 10 S VA 1 43V X51 11 G ZR541 G 1428mV G X51 22 B ZR741 B 1428mV B Output amplitude r...

Page 42: ...R Y Level ZR94 B Y Level White Balance ZR91 Mon Video Level R G B Y VFCNT ZR111 ZR247 Cadre Contrast MP6 MP5 MP7 ZR85 ZR92 Sync Ampl Composite Y Level MP0 ZR283 ZR47 ZR88 ZR90 Start Focus Bar Start Z...

Page 43: ...0 10 90 100 0 2V 10 S VA 1400mV 0 10 90 100 0 2V 10 S VA 1428mV 1428mV NTSC 6 Adjust Y sync output amplitude Measure at Adjust with Required result PAL NTSC X17A 11 ZR85 600mV PAL 0 10 90 100 0 2V 10...

Page 44: ...Level White Balance ZR91 Mon Video Level R G B Y VFCNT ZR111 ZR247 Cadre Contrast MP6 MP5 MP7 ZR85 ZR92 Sync Ampl Composite Y Level MP0 ZR283 ZR47 ZR88 ZR90 Start Focus Bar Start Zoom Bar End Stop Vie...

Page 45: ...Required result Correct X17A 16 ZR94 1400mV 0 10 90 100 0 2V 10 S VA 1400mV Video Mux output 12 Colour bar off 13 Test sawtooth on 14 Adjust R Mux output Measure at Adjust with Required result Correc...

Page 46: ...alance ZR91 Mon Video Level R G B Y VFCNT ZR111 ZR247 Cadre Contrast MP6 MP5 MP7 ZR85 ZR92 Sync Ampl Composite Y Level MP0 ZR283 ZR47 ZR88 ZR90 Start Focus Bar Start Zoom Bar End Stop Viewfinder Indic...

Page 47: ...X17A 19 ZR401 700mV 0 10 90 100 20 Adjust the white pulse in line 11 PAL in line 14 NTSC for the B Mux output Measure at Adjust with Required result Correct X17A 23 ZR601 700mV 0 10 90 100 21 Set up c...

Page 48: ...2 S24 S2 A CONNECTOR B A B A B A Video Miscellaneous Board Extender Board Video Miscellaneous 3922 406 85070 TOP SIDE Video Misc 1 2 36 X17A 1 2 36 X17B ZR601 Gain BMux ZR600 Wh Pulse BMux Ampl ZR401...

Page 49: ...ut of the camera 27 Adjust the black level of the indicators of the VF output signal to the same level as the blanking Measure at Adjust with Required result Correct Incorrect VF output ZR47 0 10 90 1...

Page 50: ...Level ZR94 B Y Level White Balance ZR91 Mon Video Level R G B Y VFCNT ZR111 ZR247 Cadre Contrast MP6 MP5 MP7 ZR85 ZR92 Sync Ampl Composite Y Level MP0 ZR283 ZR47 ZR88 ZR90 Start Focus Bar Start Zoom B...

Page 51: ...lay Measure at Adjust with Required result Correct VF display ZR90 34 Set lens to the tele position and adjust the stop zoom bar potentiometer ZR283 so that there is just a small gap in the zoom bar a...

Page 52: ...Black offset B Ampl B Saw offset B Dummy offset B ZR411 ZR414 ZR406 ZR408 MP410 Black offset G Ampl G Saw offset G Dummy offset G MP210 MP 211 ZR211 ZR214 ZR206 ZR208 Black offset R Ampl R Saw offset...

Page 53: ...NU Skin cont Off SETUP 4 MENU Asp Ratio 4 3 SETUP 5 MENU Matrix sel 1 1 MAINT 1 MENU Wh shading Off and User level 4 Black Shading Correction 1 Carry out this adjustment in an ambient temperature of 2...

Page 54: ...Saw offset B Dummy offset B ZR411 ZR414 ZR406 ZR408 MP410 Black offset G Ampl G Saw offset G Dummy offset G MP210 MP 211 ZR211 ZR214 ZR206 ZR208 Black offset R Ampl R Saw offset R MP411 MP611 MP230 MP...

Page 55: ...tive If an oven is used to adjust at 45 C the recommended adjustment temperature ensure that the temperature does not rise above 45 C as this will damage the camera 11 On Sync Shading Board adjust the...

Page 56: ...R408 MP410 Black offset G Ampl G Saw offset G Dummy offset G MP210 MP 211 ZR211 ZR214 ZR206 ZR208 Black offset R Ampl R Saw offset R MP411 MP611 MP230 MP430 MP0 Dummy offset R 1 2 23 24 X55 G 6 R 12 B...

Page 57: ...rs for a flat vertical shading signal Measure at Adjust with Required result VF out R ZR238 Flat vertical VF out G ZR438 shading signal VF out B ZR638 20 Repeat steps 29 to 33 until the best result is...

Page 58: ...ift 2 24 X55 1 23 X56 X4 1 2 ZR111 Ampl Test A B C X3 R112 Slope Test R108 Shift Test Shading crosstalk B Shading crosstalk G Shading crosstalk R R656 R456 R256 MP110 MP100 MP630 MP450 MP250 MP650 MP9...

Page 59: ...hestandardfileisrecalledtheblacklevelsaresetasfollows Master 50 R 50 G 50 B 50 Sync Shading Board 27 In the Install Gain menu reset the gain for to 6dB and for to 12dB 28 Switch to Aspect Ratio 16 9 a...

Page 60: ...White Pulse GMux Ampl ZR93 R Y Level ZR94 B Y Level White Balance ZR91 Mon Video Level R G B Y VFCNT ZR111 ZR247 Cadre Contrast MP6 MP5 MP7 ZR85 ZR92 Sync Ampl Composite Y Level MP0 ZR283 ZR47 ZR88 Z...

Page 61: ...trol panel for 70 white with setpoint potentiometer Measure at Adjust with Required result CVBS out Setpoint 70 white pos 42 490mV 5 On OCP set COLOUR TEMP switch to position AW1 6 Press AW button onc...

Page 62: ...8 MP14 Chroma MP7 MP12 MP8 MP13 MP6 MP17 MP0 MP18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR206 I Balance ZR202 B Y Gain ZR205 R Y Gain ZR211...

Page 63: ...3 Smallest possible ZR206 dot in centre of vectorscope 6 Turn chroma potentiometer R4 on encoder board fully counterclockwise zero chrominance CVBS amplitude 7 Adjust the CVBS gain potentiometer to ob...

Page 64: ...2 36 L8 MP14 Chroma MP7 MP12 MP8 MP13 MP6 MP17 MP0 MP18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR206 I Balance ZR202 B Y Gain ZR205 R Y Gain...

Page 65: ...on each other adjust the phase with L8 Measure at Adjust with Required result Correct Incorrect CVBS out L8 20 40 R 60 80 0 7 100 120 20 43 0 3 g YL MG cy b B yl G r CY mg 75 100 U V 0 0 5 5 VOLT 20 4...

Page 66: ...14 Chroma MP7 MP12 MP8 MP13 MP6 MP17 MP0 MP18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR206 I Balance ZR202 B Y Gain ZR205 R Y Gain ZR211 Burs...

Page 67: ...9 0 10 90 100 50mV 1 S t 5 6 s 178kHz Genlock free running preset 21 Remove genlock signal from camera 22 Turn lock range potentiometer ZR215 fully counterclockwise 23 Observe colour monitor waveform...

Page 68: ...MP6 MP17 MP0 MP18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR202 B Y Gain ZR205 R Y Gain ZR211 Burst Phase ZR209 Burst ZR210 Burst ZR215 Lock...

Page 69: ...ntiometers for minimum unbalance in black Measure at Adjust with Required result CVBS out ZR203 Smallest possible ZR206 dot in centre of vectorscope 6 Turn chroma potentiometer R4 on encoder board ful...

Page 70: ...P17 MP0 MP18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR202 B Y Gain ZR205 R Y Gain ZR211 Burst Phase ZR209 Burst ZR210 Burst ZR215 Lock Range...

Page 71: ...5 IRE 0 Q amplitude 12 On the encoder board disconnect MP7 from ground and connect MP8 to ground 13 Adjust with the Q gain potentiometer until the colour vector dots correspond with the indication mar...

Page 72: ...MP13 MP6 MP17 MP0 MP18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR202 B Y Gain ZR205 R Y Gain ZR211 Burst Phase ZR209 Burst ZR210 Burst ZR215...

Page 73: ...e along the Q axis of the graticule Measure at Adjust with Required result Correct CVBS out L8 20 40 R 60 80 12 5 100 120 20 40 100 YL MG B G CY 75 100 I Q 75 0 5 5 IRE 0 20 Repeat steps 16 to 20 unti...

Page 74: ...P18 MP2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP9 MP10 MP26 MP25 MP24 MP22 R4 R14 CVBS ZR203 Q Balance ZR202 B Y Gain ZR205 R Y Gain ZR211 Burst Phase ZR209 Burst ZR210 Burst ZR215 Lock Range ZR216 Osc...

Page 75: ...k range potentiometer ZR215 fully counterclockwise 26 Observe colour monitor waveform monitor or vectorscope and adjust oscillator preset potentiometer for minimum free running Measure at Adjust with...

Page 76: ...Tracker Limiter Level ZMP721 ZMP701 ZMP700 S740 S470 S450 ZR820 Side Tone Preset Level ZR920 Side Tone Preset Level ZMP620 ZMP600 ZMP601 ZMP520 ZMP521 ZR910 Side Tone Preset Level ZMP500 ZR970 RTS ENG...

Page 77: ...kHz test signal at 46dBu to the audio 1 input of the camera 6 Adjust the limiter potentiometer for a 1kHz signal at 0dB on audio 1 output pin Measure at Adjust with Required result X19A 35 ZR160 0dBu...

Page 78: ...0 Side Tone Preset Level ZMP620 ZMP600 ZMP601 ZMP520 ZMP521 ZR910 Side Tone Preset Level ZMP500 ZR970 RTS ENG Level S960 S961 ZMP1 ZMP501 S980 S981 ZR990 RTS Prod Level ZR410 Tracker Preset Level Jump...

Page 79: ...a 1kHz signal at 6dBu on the microphone output pin of the board Measure at Adjust with Required result X19B 10 ZR330 6dBu Tracker intercom microphone 19 Apply a 1kHz test signal at 64dBu to the tracke...

Page 80: ...0 Side Tone Preset Level ZMP620 ZMP600 ZMP601 ZMP520 ZMP521 ZR910 Side Tone Preset Level ZMP500 ZR970 RTS ENG Level S960 S961 ZMP1 ZMP501 S980 S981 ZR990 RTS Prod Level ZR410 Tracker Preset Level Jump...

Page 81: ...al at 10dBu on the mic output pin of the board Measure at Adjust with Required result X19B 13 ZR910 10dBu CH1 fork attenuation PROD 5 Apply a 1kHz test signal at 6dBu to the prod intercom input of Aud...

Page 82: ...ual LDK 20 S Studio Camera Adjustments Pre Processor Board Pre Processor Board 3922 406 83830 TOP SIDE ZR322 Gain G ZR122 Gain R ZR522 Gain B ZR560 ZR540 ZR160 ZR140 ZR360 ZR340 MP100 MP300 MP500 MP0...

Page 83: ...tile 2000 Lux with 90 reflectance is 573 cd m2 3 Open the right side cover of the camera 4 Remove adjustment hatch on right side of front module of the camera 5 Place Video Miscellaneous Board on a s...

Page 84: ...4 58 Technical Manual LDK 20 S Studio Camera Adjustments...

Page 85: ...awings Thissectioncontainsblockdiagramsofthecamera Theblockdiagramsareausefulhelpfortracing signals when fault finding Contents Block Diagram Power Signals 5 2 Block Diagram Video Signals 5 3 Block Di...

Page 86: ...1 1 13 X52 1 X52 3 4 Digital Video Proces sing 5V 3 3V 5V X61 3 4 X61 62 1 X62 3 4 Sync Shading Data Board 12V 5V 3 3V GND 5V X41 2 X41 3 4 X42 2 X41 42 1 X42 4 Video Misc Encoder Video Mux Audio Inte...

Page 87: ...00mV X51 22 1400mV X51 10 X55 23 X52 24 1400mV X17A 22 X17B 30 X17A 33 X17A 32 X17A 36 MP200 215mV MP400 215mV MP600 215mV Gain Video ZR232 ZR432 ZR632 ZR93 R Y ZR94 B Y ZR92 Y ZR85 Y SYNC ZR111 Mon V...

Page 88: ...ol Prod Cam Vol ENG Audio 1 Audio 1 Shield Audio 1 Audio 2 Audio 2 Shield Audio 2 X19A 25 X19A 26 X19B 14 X19B 16 X19B 15 X19B 17 X19B 36 X19B 35 X19B 32 X19B 34 X19B 29 X19A 13 X19A 14 X19A 11 X19A 1...

Page 89: ...B INT N IRIS CONTROL H V LOCK X17B 31 X17B 33 X17B 35 X17B 34 X17B 26 E SDA E SCL X12B 31 X12B 33 HV lock HV lock ret E SDA E SCL Data BS Cam Data BS Cam ret Data Cam BS Triax X18B 24 X18B 23 X18B 31...

Page 90: ...5 6 Technical Manual LDK 20 S Studio Camera Drawings...

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