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THOMSON STUDIO CAMERA LDK 20(S) Technical Manual

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LDK 20(S)
LDK 20(S)
LDK 20(S)
LDK 20(S)
LDK 20(S)
Studio Camera
3922 496 48591 St.00

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Summary of Contents for THOMSON STUDIO CAMERA LDK 20(S)

  • Page 1 LDK 20(S) LDK 20(S) LDK 20(S) LDK 20(S) LDK 20(S) Studio Camera 3922 496 48591 St.00...

  • Page 2: Declaration Of Conformity

    Declaration of Conformity We, Thomson Broadcast Solutions Nederland B.V., Kapittelweg 10, 4827 HG Breda, The Netherlands declare under our sole responsibility that this product is in compliance with the following standards: EN60065 : Safety EN55103-1 : EMC (Emission) EN55103-2 : EMC (Immunity) following the provisions of: a.

  • Page 3: Table Of Contents

    Contents About This Manual ... II Safety Instructions ... 1-1 Safety Summary ... 1-2 Cautions and Warnings ... 1-2 Earthing ... 1-3 Installation ... 2-1 Packing/Unpacking ... 2-2 Local / Remote Power Supply ... 2-2 Hardware Setup and Customization ... 2-3 Test Sawtooth ...

  • Page 4: About This Manual

    About This Manual Service policy The LDK 20(S) is a sophisticated camera containing state-of-the-art electronic components which are designed to provide long-life operation without the need for maintenance. With this in mind, the service policy of Thomson Multimedia Broadcast Solutions endeavours to ensure that help will be quickly on hand in the unlikely event of anything going wrong.

  • Page 5: Safety Instructions

    This section outlines the precautions that must be taken into account when using the LDK 20(S) Studio Camera. Contents Safety Summary ... 1-2 Cautions and Warnings ... 1-2 Safety Instructions Section 1 Safety Instructions Earthing ... 1-3 Technical Manual LDK 20(S) - Studio Camera...

  • Page 6: Safety Summary

    Safety Summary This informaton is intended as a guide for trained and qualified personnel who are aware of the dangers involved in handling potentially hazardous electrical/electronic equipment. It is not intended to contain a complete list of all safety precautions which should be observed by personnel in using this or other electronic equipment.

  • Page 7: Earthing

    Symbol Colour Explanation High voltage terminal at which a voltage, with respect to an other terminal, exists or may be adjusted to 1000V or more. Yellow/Black Live part. Yellow/Black This marking indicates that the operator must refer to an explanation in the Instruction Manual, or that a specific component must be replaced by the component specified in the...
  • Page 8 Technical Manual LDK 20(S) - Studio Camera Safety Instructions...

  • Page 9: Installation

    This section provides information which is relevant when the camera is to be used for the first time. Packing and unpacking instructions together with information on the integration of the camera into your studio system are provided. The procedures for the customization of certain hardware functions and connector information is also provided.

  • Page 10: Packing/Unpacking

    Packing/Unpacking Inspect the shipping container for evidence of damage immediately after receipt. If the shipping container or cushioning material is damaged, it should be kept until the contents of the shipment have been checked for completeness and the units have been checked mechanically and electrically.

  • Page 11: Hardware Setup And Customization

    Hardware Setup and Customization The camera is delivered in a ready-to-use state, however, there are occasions when it might be necessary to re-adjust some functions after, for example, fitting a new lens. A large number of functions can be set-up using the control facilities of the menu system.

  • Page 12: Test Sawtooth

    Test Sawtooth A test sawtooth signal is normally only used for adjustment procedures. Jumper X3 on Video processor 1 board provides a choice between two internal signals or an external signal. Internal signals Set jumper X3 to position BC to get the nominal sawtooth.

  • Page 13: Analogue Ch1-Ch2

    Analogue Ch1-Ch2 Two analogue channels (AN 0 and AN 1) are available from the base station to the camera via the triax cable and can be used to transmit L.F. signals. For example, joystick control or pan and tilt. The input signals are applied to the Auxiliary connector of the base station.

  • Page 14: Viewfinder Cadre Indication

    Viewfinder Cadre Indication Cadre On/Off Switch S6 on the Sync./shading board allows the cadre in the viewfinder to be switched on permanently or to be controlled by the menu system. Position AB selects (remote-) menu control (factory setting); position AC switches the cadre on permanently. If S6 is in the remote position then you can select in Menu VF/Lens Cadre On or Off.

  • Page 15: Audio / Intercom Settings

    Audio / Intercom settings Audio microphone signals The high-pass filters in the audio channels reduce the background noise in the audio microphone signals. The high-pass filters can be set as follows: Audio 1 at MCP on/off Audio 2 at MCP on/off The phantom power for different types of microphones can be set as follows: Audio 1...

  • Page 16: Private Data

    Private Data Private data channels can be used for the transmission of serial data via the triax cable. For example, electronic scriptboard or character data for a video display unit can be transmitted to the camera. The tracker microphone intercom channel is used for the data channel from camera head to base station.

  • Page 17: Connectors And Cables

    Connectors and Cables VTR connector 26-pin male; panel view part number 3922 040 02551 Triax connector 3-pin; panel view Installation A. + Battery from VTR (10.7 to 17V) B. Ground 1. CVBS 2. CVBS Return (only available with encoder option present) 3.
  • Page 18 Viewfinder connector 15-pin female; panel view part number 3922 406 2-10 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.
  • Page 19 Camera headset connector Tuchel 6-pin female; panel view part number 2422 026 02902 XLR 5-pin female; panel view part number 2432 026 00176 Audio microphone connectors XLR 3-pin female; panel view part number 2422 026 02984 Installation 1. Telephone left 2.
  • Page 20 Auxiliary connector Fischer 11-pin female; panel view part number 3922 040 02512 Tracker communication connector Fischer 11-pin female; panel view part number 3922 040 02463 Data connector Souriau 4-pin male; panel view part number 2411 020 11367 2-12 1. +5VL 2.
  • Page 21 Script light connector Fischer 3-pin female; panel view part number 3922 040 02881 Cable connector part numbers Panel Connector Type 26-pin male Triax 3-pin Fischer female Triax 3-pin Trilock Triax 3-pin ARD Triax 3-pin Lemo Viewfinder 15-pin Female Headset 6-pin Tuchel female Headset 5-pin XLR female Audio Mic...

  • Page 22: Specifications Ldk20

    Specifications LDK20 Camera system Transmission system NTSC/PAL Pick-up device 3 x 2/3-inch Thomson DPM Frame Transfer CCDs Smear performance No vertical smear Aspect ratio 4:3/ 16:9 switchable Picture elements 4:3 and 16:9 aspect ratio NTSC: 1000(h) x 498(v) PAL: 1000(h) x 594(v) Optical system F1.4 with quartz filter Filter cassette with Optical filters...

  • Page 23: Replacements

    This section gives information on the procedures to follow when replacing printed circuit boards and mechanical components at first line level. Contents Introduction ... 3-2 Printed circuit boards ... 3-2 Front module ... 3-3 Replacements Section 3 Replacements Filterwheel Cassette ... 3-4 Power supply ...

  • Page 24: Introduction

    Introduction The instructions given in this section are restricted to those modules which can be replaced at the first line level. After a printed circuit board has been replaced it is sometimes necessary to carry out adjustments to match the new boards to your camera and so maintain the performance levels.

  • Page 25: Front Module

    Front module To remove the front module proceed as follows: a. On the frontside of the camera remove the four screws 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 front module.

  • Page 26: Filterwheel Cassette

    Filterwheel Cassette To remove the filterwheel cassette proceed as follows: a. Loosen the two screws securing the cover to the body of the front assembly. b. Loosen the two screws securing the cassette to the body of the front module. c.

  • Page 27: Adjustments

    This section contains the adjustment procedures to be followed to obtain the best performance from the camera. These procedures need only be used if, following a module replacement, the camera does not perform according to specifications. Contents Introduction ... 4-2 Test Equipment ...

  • Page 28: Introduction

    Introduction This camera is factory tested and adjusted for operational use. Under normal circumstances, the internal potentiometers do not need to be adjusted. If it is discovered that the camera is misaligned, the following procedures are given as a guide for competent service personnel, who have a thorough knowledge of the camera and have the use of calibrated equipment, to realign the camera.

  • Page 29: Test Equipment

    Test Equipment The following is a list of equipment required to carry out the adjustment procedure: • Set of board extenders LDK 4830/21 • Oscilloscope (with cursor measurement) • Spotlight 3200K • Gamma Test chart 4:3 / 16:9 • Waveform monitor •...
  • Page 30 Extender Board B - CONNECTOR A - CONNECTOR Technical Manual LDK 20(S) - Studio Camera TOP SIDE Adjustments...

  • Page 31: Video Processor 1 Board

    Video Processor 1 Board Setting-up the Camera Note: Video Processor 1 must be adjusted in combination with the Sync./Shading board. 1. For local powering of the camera in the stand-alone mode (see User Guide, Section 4). 2. Recall Factory Standard File on MCP or OCP. On MCP set: OPERATE MENU Knee...
  • Page 32 Video Processor 1 Board VP 1 MP620 MP630 MP220 MP230 MP420 MP430 Test ZR111 Ampl Test Test MP110 MP100 R456 R456 R112 Slope Slope Test R256 R256 R108 Shift Shift Test R656 R656 TOP SIDE Sync./Shading Board Sync ZR236 ZR137 Shad ZR263 ZR263...
  • Page 33 Video Processor 1 Board Black Offset 6. In the Install/Gain menu set the gain for + to 12dB and for ++ to 30dB (the standard values are 6dB and 12dB). 7. While switching between 0dB gain and 30dB gain, adjust black level during the active line to the same as the clamp level.
  • Page 34 Video Processor 1 Board VP 1 MP620 MP630 MP220 MP230 MP420 MP430 Test Ampl ZR111 ZR111 Test Ampl Test Test MP110 MP110 MP100 R456 R112 R112 Slope Slope Test Slope Test R256 R108 R108 Shift Shift Test Shift Test R656 TOP SIDE ZR606 ZR606...
  • Page 35 Video Processor 1 Board Test Sawtooth Nominal Settings 15. Sawtooth amplitude Measure at: Adjust with: MP110 ZR111 16. Sawtooth slope Set sawtooth amplitude to 100% on oscilloscope, measure between 10% and 90% and adjust slope test. Measure at: Adjust with: MP110 R112 17.

  • Page 36: Digital Video Processor

    Digital Video Processor ZR741 MP700 ZR341 MP300 G - 11 ZR541 R - 21 B - 22 MP500 ZR841 24 23 Digital Video Processing BOTTOM SIDE 4-10 ZR725 Black off set limiter sharp B ZR325 Black off set limiter sharp R ZR525 Black off set limiter sharp G...
  • Page 37 Digital Video Processor 1. Place Digital Video Processor on service extender. Set master black level to 50. Check that individual R, G and B black levels are set to 50. Switch off test sawtooth. Black Offset Level 2. Switch on colour bar. 3.

  • Page 38: Digital Video Processor Subboard

    Digital Video Processor Subboard Subboard DSP BOTTOM SIDE Digital Video Processor ZR741 MP700 ZR341 MP300 G - 11 ZR541 R - 21 B - 22 MP500 ZR841 24 23 Digital Video Processing BOTTOM SIDE 4-12 3922 406 84960 ZR725 Black off set limiter sharp B ZR325 Black off set...
  • Page 39 Digital Video Processor Subboard Gain DAC. 1. Adjust bar output amplitude. Measure at: Adjust with: X51-21 ZR271 (R) Measure at: Adjust with: X51-11 ZR471 (G) Measure at: Adjust with: X51-22 R671 (B) NTSC Measure at: Adjust with: X51-21 ZR271 (R) Measure at: Adjust with: X51-11...

  • Page 40: Digital Video Processor

    Digital Video Processor ZR741 MP700 ZR341 MP300 G - 11 ZR541 R - 21 B - 22 MP500 ZR841 MP840 Y - 24 24 23 Digital Video Processing BOTTOM SIDE 4-14 ZR725 Black off set limiter sharp B ZR325 Black off set limiter sharp R ZR525 Black off set...
  • Page 41 Digital Video Processor Gain Video 1. Place Digital Video Processor on service extender. 2. Switch off colour bar and Test sawtooth on. 3. Adjust white output amplitude. Measure at: Adjust with: X51-21 (R) ZR232 (R) X51-11 (G) ZR432 (G) X51-22 (B) ZR632 (B) White limiter 4.

  • Page 42: Video Miscellaneous Board

    Video Miscellaneous Board Video Video Misc Misc ZR94 B-Y Level Wh. Pulse ZR600 BMux Ampl. Gain ZR601 BMux ZR93 R-Y Level ZR400 White Pulse GMux Ampl. ZR401 Gain GMux White Pulse ZR200 RMux Ampl. Gain ZR201 RMux MP11 MP10 Video Miscellaneous TOP SIDE 4-16 ZR247...

  • Page 43: Video Miscellaneous Board

    Video Miscellaneous Board 1. Place Video Miscellaneous Board on service extender. VF sync. oscillator 2. Test sawtooth off. 3. Adjust VF sync. frequency. Measure at: Adjust with: Output amplitude 4. Test sawtooth on. 5. Adjust Y output amplitude. Measure at: Adjust with: X17A-11 ZR92...
  • Page 44 Video Miscellaneous Board Video Video Misc Misc ZR94 B-Y Level ZR94 B-Y Level Wh. Pulse ZR600 BMux Ampl. Gain Gain ZR601 ZR601 ZR93 R-Y Level ZR93 R-Y Level BMux BMux ZR400 White Pulse GMux Ampl. ZR401 ZR401 Gain GMux Gain GMux White Pulse ZR200 RMux Ampl.
  • Page 45 Video Miscellaneous Board R-Y amplitude 10. Adjust R-Y output amplitude. Measure at: Adjust with: X17A-10 ZR93 B-Y amplitude 11. Adjust B-Y output amplitude. Measure at: Adjust with: X17A-16 ZR94 Video Mux output 12. Colour bar off. 13. Test sawtooth on. 14.
  • Page 46 Video Miscellaneous Board Video Video Misc Misc ZR94 B-Y Level Wh. Pulse Wh. Pulse ZR600 ZR600 BMux Ampl. BMux Ampl. Gain ZR601 ZR93 R-Y Level BMux ZR400 ZR400 White Pulse GMux Ampl. White Pulse GMux Ampl. ZR401 Gain GMux White Pulse White Pulse ZR200 ZR200...
  • Page 47 Video Miscellaneous Board White pulse amplitude 17. Connect camera to a base station and switch to Triax mode. 18. Adjust the white pulse in line 10 (PAL), in line 13 (NTSC) for the R-Mux output. Measure at: Adjust with: X17A-27 ZR201 19.
  • Page 48 Video Miscellaneous Board Video Video Misc Misc ZR94 B-Y Level Gain ZR600 BMux Wh. Pulse ZR601 ZR93 R-Y Level BMux Ampl. ZR400 Gain GMux ZR401 White Pulse GMux Ampl. Gain ZR200 RMux White Pulse ZR201 RMux Ampl. MP11 MP10 Video Miscellaneous TOP SIDE Extender Board 4-22...
  • Page 49 Video Miscellaneous Board Black indicator level 25. Use the controls at the rear of the camera to set the white indicator level for the monitoring output by navigating through the menu system to menu number 318 and setting the value to 85. 26.
  • Page 50 Video Miscellaneous Board Video Video Misc Misc ZR94 B-Y Level Wh. Pulse ZR600 BMux Ampl. Gain ZR601 ZR93 R-Y Level BMux ZR400 White Pulse GMux Ampl. ZR401 Gain GMux White Pulse ZR200 RMux Ampl. Gain ZR201 RMux MP11 MP10 Video Miscellaneous TOP SIDE 4-24 ZR247...
  • Page 51 Video Miscellaneous Board Zoom bar 29. Mount lens on camera. 30. Test sawtooth off and set filter to clear. 31. Open iris for nominal video. 32. Set potentiometers ZR90 and ZR283 to their mid-position. 33. Set lens to the wide angle position and adjust the start zoom bar potentiometer ZR90 so that there is just a small gap in the zoom bar at the left side of the viewfinder display.
  • Page 52 Sync./Shading Board Sync ZR236 ZR137 Shad ZR263 ZR263 ZR463 ZR463 ZR237 ZR663 ZR663 ZR238 MP703 MP217 ZR239 MP704 MP209 ZR265 MP705 ZR266 ZR436 ZR437 ZR438 MP417 ZR439 MP409 ZR465 ZR466 ZR636 ZR637 ZR638 MP707 ZR639 MP609 MP706 ZR665 ZR666 ZR300 TOP SIDE Video Processor 1 Board VP 1...
  • Page 53 Sync./Shading Board Setting-up Note: Sync./Shading board must be adjusted in combination with Video Processor 1 Board. 1. Put Sync./Shading Board on a service extender. 2. Put Video Processor 1 Board on a service extender and remove jumpers 7, 9, 11, 13, 17 and 19 from connector B of the service extender to interrupt the input from the front and jumpers 6, 12 and 15 to interrupt the black shading correction.
  • Page 54 Sync./Shading Board Sync Sync ZR236 ZR137 Shad Shad ZR263 ZR463 ZR237 ZR663 ZR238 MP703 MP217 ZR239 MP704 MP209 MP209 ZR265 ZR265 MP705 ZR266 ZR266 ZR436 ZR437 ZR438 MP417 ZR439 MP409 MP409 ZR465 ZR465 ZR466 ZR466 ZR636 ZR637 ZR638 MP707 ZR639 MP609 MP609 MP706...
  • Page 55 Sync./Shading Board 8. On connector B of the service extender remove the short circuits on the input to Video Processor 1 Board by disconnecting the jumpers from B7 to B9, B11 to B13 and B17 to B19, Reconnect A6 to B6 A7 to B7 A9 to B9 A11 to B11...
  • Page 56 Sync./Shading Board Sync Sync ZR236 ZR236 ZR137 Shad Shad ZR263 ZR263 ZR463 ZR463 ZR237 ZR237 ZR663 ZR663 ZR238 ZR238 MP703 MP217 ZR239 ZR239 MP704 MP209 ZR265 MP705 ZR266 ZR436 ZR436 ZR437 ZR437 ZR438 ZR438 MP417 ZR439 ZR439 MP409 ZR465 ZR466 ZR636 ZR636 ZR637...
  • Page 57 Sync./Shading Board Edge clip level 16. Set edge clip level potentiometers in their mid-position. Measure at: Adjust with: VF out R ZR237 VF out G ZR437 VF out B ZR637 Edge gain correction 17. On MCP set: OPERATE MENU Gain Exposure Nom.
  • Page 58 Sync./Shading Board Sync Sync ZR236 ZR137 Shad Shad ZR263 ZR463 ZR237 ZR663 ZR238 MP703 MP217 ZR239 MP704 MP209 ZR265 MP705 ZR266 ZR436 ZR437 ZR438 MP417 ZR439 MP409 ZR465 ZR466 ZR636 ZR637 ZR638 MP707 ZR639 MP609 MP706 ZR665 ZR666 ZR300 ZR300 TOP SIDE Video Processor 1 Board VP 1...
  • Page 59 Sync/Shading Board 24. On Video Processor 1 Board adjust the vertical sawtooth potentiometer for no sawtooth information. (Select the viewfinder R, G and B output signals in the VF/Lens - VF Inst menu.) Measure at: Adjust with: VF out R ZR214 VF out G ZR414...
  • Page 60 Video Miscellaneous Board Video Video Misc Misc ZR94 B-Y Level Wh. Pulse ZR600 BMux Ampl. Gain ZR601 ZR93 R-Y Level BMux ZR400 White Pulse GMux Ampl. ZR401 Gain GMux White Pulse ZR200 RMux Ampl. Gain ZR201 RMux MP11 MP10 Video Miscellaneous TOP SIDE 4-34 ZR247...
  • Page 61 Video Miscellaneous Board Auto iris 1. Point camera at and fill frame with a white 90% reflecting test chart, illuminated with a 3200K spotlight. Set iris to F5.6. Measure at: Adjust with: CVBS out 2. On OCP, ensure that the IRIS CENTRE control is turned fully counterclockwise and the IRIS RANGE control is turned fully clockwise.

  • Page 62: Encoder Board Pal

    Encoder Board PAL Encoder Encoder MP14 Chroma Chroma Chroma Chroma CVBS CVBS CVBS MP12 MP13 MP11 MP19 MP10 MP26 MP25 MP24 ZR217 Sc-H Phase MP22 Encoder Board TOP SIDE 4-36 ZR202 ZR203 ZR203 B-Y Gain Q Balance Q Balance ZR205 ZR206 ZR206 R-Y Gain...

  • Page 63: Encoder Board Pal

    Encoder Board PAL Set-up 1. Switch off power. Place encoder board on service extender. Genlock camera with black burst signal. Switch on power. 2. Connect oscilloscope via a vectorscope terminated with 75Ohm to the CVBS output of the camera. 3. Switch on colour bar. Black balance 4.
  • Page 64 Encoder Board PAL Encoder Encoder MP14 Chroma Chroma Chroma CVBS CVBS MP12 MP13 MP11 MP19 MP10 MP26 MP25 MP24 ZR217 Sc-H Phase MP22 Encoder Board TOP SIDE 4-38 ZR202 ZR202 ZR203 B-Y Gain B-Y Gain Q Balance ZR205 ZR206 R-Y Gain I Balance ZR211 ZR211...
  • Page 65 Encoder Board PAL B-Y amplitude 11. On the encoder board disconnect MP7 from ground and connect MP8 to ground. 12. Adjust with the B-Y gain potentiometer until the colour vector dots correspond with the indication marks on the U-axis of the graticule. Measure at: Adjust with: CVBS out...
  • Page 66 Encoder Board PAL Encoder Encoder MP14 Chroma Chroma Chroma CVBS CVBS MP12 MP13 MP11 MP19 MP10 MP26 MP25 MP24 ZR217 ZR217 Sc-H Phase Sc-H Phase MP22 Encoder Board TOP SIDE 4-40 ZR202 ZR203 B-Y Gain Q Balance ZR205 ZR206 R-Y Gain I Balance ZR211 ZR209...
  • Page 67 Encoder Board PAL Burst amplitude 19. Adjust the burst amplitude potentiometer to obtain a burst amplitude of 300mV. Measure at: Adjust with: CVBS out ZR210 Burst timing 20. Observe waveform monitor or oscilloscope and adjust the burst position so that it is 5.6µS from the leading edge of the line synchronisation.

  • Page 68: Encoder Board Ntsc

    Encoder Board NTSC Encoder Encoder MP14 Chroma Chroma Chroma Chroma CVBS CVBS CVBS MP12 MP13 ZR212 Bar Width MP11 ZR213 MP19 White Bar Ampl. MP10 MP26 MP25 MP24 ZR217 Sc-H Phase MP22 Encoder Board TOP SIDE 4-42 ZR203 ZR203 Q Balance Q Balance ZR202 ZR201...

  • Page 69: Encoder Board Ntsc

    Encoder Board NTSC Set-up 1. Switch off power. Place encoder board on service extender. Genlock camera with black burst signal. Switch on power. 2. Connect oscilloscope via a vectorscope terminated with 75Ohm to the CVBS output of the camera. 3. Switch on colour bar. Black balance 4.
  • Page 70 Encoder Board NTSC Encoder Encoder MP14 Chroma Chroma Chroma Chroma CVBS CVBS MP12 MP13 ZR212 ZR212 Bar Width Bar Width MP11 ZR213 MP19 White Bar Ampl. MP10 MP26 MP25 MP24 ZR217 Sc-H Phase MP22 Encoder Board TOP SIDE 4-44 ZR203 Q Balance ZR202 ZR202...
  • Page 71 Encoder Board NTSC I amplitude 9. Set I gain potentiometer ZR205 in its mid-position. 10. Connect MP7 on the encoder board to ground. 11. Adjust with the chroma potentiometer until the colour vector dots correspond with the indication marks on the I-axis of the graticule.
  • Page 72 Encoder Board NTSC Encoder Encoder MP14 Chroma Chroma Chroma CVBS CVBS MP12 MP13 ZR212 Bar Width MP11 ZR213 MP19 White Bar Ampl. MP10 MP26 MP25 MP24 ZR217 Sc-H Phase MP22 Encoder Board TOP SIDE 4-46 ZR203 Q Balance ZR202 ZR201 B-Y Gain Q Amplitude ZR206...
  • Page 73 Encoder Board NTSC I / Q 90° phase 16. Connect MP7 on the encoder board to ground. 17. With the phase potentiometer on the vectorscope, place the I vectors along the I-axis of the graticule. Measure at: Adjust with: 18. On the encoder board disconnect MP7 from ground and connect MP8 to ground. 19.
  • Page 74 Encoder Board NTSC Encoder Encoder MP14 Chroma Chroma Chroma CVBS CVBS MP12 MP13 ZR212 Bar Width MP11 ZR213 MP19 White Bar Ampl. MP10 MP26 MP25 MP24 ZR217 Sc-H Phase MP22 Encoder Board TOP SIDE 4-48 ZR203 Q Balance ZR202 ZR201 ZR201 B-Y Gain Q Amplitude...
  • Page 75 Encoder Board NTSC Burst timing 23. Observe waveform monitor or oscilloscope and adjust the burst position so that it is 5.3µS from the leading edge of the line synchronisation. Measure at: Adjust with: CVBS out ZR209 Genlock free-running preset 24. Remove genlock signal from camera. 25.

  • Page 76: Audio/Intercom Lf Board

    Audio/Intercom LF Board ZMP0 Audio ZR260 ZR260 Int LF Audio 2 Audio 2 Limiter Limiter Level Level S200 ZR160 ZR160 Audio 1 Audio 1 Limiter Limiter Level Level S100 S300 ZR360 ZR310 Cam-Mic Cam-Mic Limiter Preset Level Level ZR460 ZMP440 Tracker Limiter Level...
  • Page 77 Audio/Intercom LF Board Set-up 1. Set up camera in triax mode. Switch off power. Place audio/intercom LF board on service extender. Switch on power. Audio 1 level 2. Select an audio 1 level of -64dBu. 3. Apply a 1kHz test signal at -64dBu symmetrical to the audio 1 input of the camera 4.
  • Page 78 Audio/Intercom LF Board ZMP0 Audio ZR260 Int LF Audio 2 Limiter Level S200 ZR160 Audio 1 Limiter Level S100 S300 ZR360 ZR310 Cam-Mic Cam-Mic Limiter Preset Level Level ZR460 ZMP440 Tracker Limiter Level S470 ZMP721 ZMP700 S740 ZMP701 ZR820 ZMP620 Side Tone Preset Level...
  • Page 79 Audio/Intercom LF Board Cameraman intercom microphone 12. Apply a 1kHz test signal at -64dBu to the cam. intercom mic. input of Audio/Intercom LF Board (X19A-25). 13. Adjust the cam. mic. preset potentiometer for a 1kHz signal at -6dBu on the microphone output pin of the board.
  • Page 80 Audio/Intercom LF Board ZMP0 Audio ZR260 Int LF Audio 2 Limiter Level S200 ZR160 Audio 1 Limiter Level S100 S300 ZR360 ZR310 Cam-Mic Cam-Mic Limiter Preset Level Level ZR460 ZMP440 Tracker Limiter Level S470 ZMP721 ZMP700 S740 ZMP701 ZR820 ZMP620 Side Tone Preset Level...

  • Page 81: Audio/Intercom Lf Board Rts Mode

    Audio/Intercom LF Board RTS MODE Cameraman intercom microphone PL 1. Apply a 1kHz test signal at -64dBu to the cam. intercom mic. input of Audio/Intercom LF Board (X19A-25). 2. Adjust the cam. mic. preset potentiometer for a 1kHz signal at -10dBu on the microphone output pin of the board.

  • Page 82: Pre-Processor Board

    Pre Processor Board ZR122 ZR522 Gain R Gain B MP500 ZS500 ZS700 TOP SIDE Pre Processor Board 3922 406 83830 4-56 MP100 MP300 ZS100 Technical Manual LDK 20(S) - Studio Camera Adjustments...

  • Page 83: Pre-Processor Board

    Pre-Processor Board Gain Adjustment 1. Recall Factory Standard File on MCP or OCP. On MCP set: OPERATE MENU Knee Auto Iris Matrix sel. SETUP 1 MENU Wh. Limiter Gamma SETUP 4 MENU Asp. ratio 2. Set the lighting conditions for 100% video output as follows: Colour temp.
  • Page 84 4-58 Technical Manual LDK 20(S) - Studio Camera Adjustments...

  • Page 85: Drawings

    This section contains block diagrams of the camera. The block diagrams are a useful help for tracing signals when fault finding. Contents Block Diagram Power Signals ... 5-2 Block Diagram Video Signals ... 5-3 Drawings Section 5 Drawings Block Diagram Transmission Signals ... 5-4 Block Diagram Control Signals ...

  • Page 86: Block Diagram Power Signals

    Block Diagram Power Signals +18V X23-16 -12Va X23-36 +V peltier X23-38 +13V X23-39,40 +13V RET X23-19,20 X23-14,34 X23-8,21,28,29 X23-15,35 +3.3V X23- 2/3" Front X4-2 X4-1 +13V X4-9,10 PGND X4-7,8 Camera Switch Panel X55-3,4 X51-3,4 +3.3V X56-21,22 +3.3V X51-16,18 X55,56-1,2 X51-1,13 X56-3,4 X52-1 X52-3,4...

  • Page 87: Block Diagram Video Signals

    Block Diagram Video Signals Drawings Technical Manual LDK 20(S) - Studio Camera...

  • Page 88: Block Diagram Transmission Signals

    Block Diagram Transmission Signals SW.board Front X102A X107 Volume Prod Front X27-4 VF.conn. board CAMERA CONTROL UNIT ENG/Side Tone To Tracker Ref Prod X27-6 X24-9 X24-10 Cam Mic X19A-25 X24-8 Cam Mic ret X19A-26 X24-11 Cam Tel R X19B-14 X24-7 Cam Tel L X19B-16 X24-12...

  • Page 89: Block Diagram Control Signals

    Block Diagram Control Signals VIEWFINDERS X140-27 D-SDA X140-28 D-SCL 2/3" FRONT X23-32 C-SDA X23-33 C-SCL X23-31 C-INT N X4-3 H-SDA X4-4 X56-15 H-SCL A-SDA X4-5 X56-17 H-INT N A-SCL X56-5 A-INT N X56-23 R-GAIN X56-24 B-GAIN CAMERA SWITCH PANEL VIDEO PROCES- SOR 1 B-SDA...
  • Page 90 Technical Manual LDK 20(S) - Studio Camera Drawings...

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