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Technicolor - Thomson LDK 20(S) Bedienungsanleitung

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Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    LDK 20(S) LDK 20(S) LDK 20(S) LDK 20(S) LDK 20(S) Studio Camera T ec hnical Man ual 3922 496 48591 St.00[...]

  • Seite 2

    Für diese Unterlage behalten wir uns alle Rechte vor (Gemäß DIN 34). Technische Änderungen im Zuge der Weiterentwicklung vorbehalten. Copyright FCC Class A Statement Declaration of Conformity Copying of this document and giving it to others, and the use or com- munication of the contents thereof, are forbidden without express au- thority. Offen[...]

  • Seite 3

    02.34.5 Technical Manual LDK 20(S) - Studio Camera I LDK 20(S) Studio Camera T echnical Manual Contents About This Manual ................................................ I I Safety Instructions ........................................... 1 - 1 Safety Summar y ................................................ 1 - 2 Cautions and Warning s ...........[...]

  • Seite 4

    II Technical Manual LDK 20(S) - Studio Camer a 02.34.5 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 endeavou[...]

  • Seite 5

    Safety Instructions Technical Manual 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) Studio Camera. Contents Safety Summary ........................................................ 1- 2 Cautions and Warnings .................................[...]

  • Seite 6

    1 - 2 Technical Manual LDK 20(S) - Studio Camera Safety Instructions 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 b[...]

  • Seite 7

    Safety Instructions Technical Manual LDK 20(S) - Studio Camera 1 - 3 Symbol Colour Explanation R e d High voltage terminal at which a voltage, with respect to an other terminal, exists or may be adjusted to 1000V or more. Yellow/Black Li ve p art . Yellow/Black This marking indicates that the operator must refer to an explanation in the Instruction[...]

  • Seite 8

    1 - 4 Technical Manual LDK 20(S) - Studio Camera Safety Instructions[...]

  • Seite 9

    Installation Technical Manual LDK 20(S) - Studio Camera 2 - 1 Section 2 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 customiz[...]

  • Seite 10

    2 - 2 Technical Manual LDK 20(S) - Studio Camera Installation 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 mechanic[...]

  • Seite 11

    Installation Technical Manual LDK 20(S) - Studio Camera 2 - 3 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. In addition to this soft[...]

  • Seite 12

    2 - 4 Technical Manual LDK 20(S) - Studio Camera Installation Lens matching When a camera is supplied with a lens it is not necessary to perform any of the following adjustments as the lens is already matched to the camera. However, if you wish to change to a different type of lens or the lens is not supplied with your camera, back focus, white sha[...]

  • Seite 13

    Installation Technical Manual LDK 20(S) - Studio Camera 2 - 5 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 stati[...]

  • Seite 14

    2 - 6 Technical Manual LDK 20(S) - Studio Camera Installation 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 permanent[...]

  • Seite 15

    Installation Technical Manual LDK 20(S) - Studio Camera 2 - 7 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 (off=default setting) Audio 2 at MCP on/off (off=default setting)[...]

  • Seite 16

    2 - 8 Technical Manual LDK 20(S) - Studio Camera Installation 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 fr[...]

  • Seite 17

    Installation Technical Manual LDK 20(S) - Studio Camera 2 - 9 23 18 12 7 1 6 11 17 22 24 A B Connectors and Cables VTR connector Triax connector A. + Battery from VTR (10.7 to 17V) B . Ground 1. CVBS (only available with encoder option present) 2. CVBS Return (only available with encoder option present) 3. Y + S Return 4. Y + S (luminance + sync.) [...]

  • Seite 18

    2-10 Technical Manual LDK 20(S) - Studio Camera Installation 15-pin female; panel view part number 3922 406 Viewfinder connector 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 12. Power return 13. Housing 14. On air lamp 15. SDA 8 1 15 9[...]

  • Seite 19

    Installation Technical Manual LDK 20(S) - Studio Camera 2-11 Tuchel 6-pin female; panel view part number 2422 026 02902 1. Microphone return 2. Microphone 3. Telephone return 4. Telephone left 5. Telephone right • Microphone level -58dBm/-20dBm switchable • Microphone impedance 200 ohm • Telephone level +6dBm nominal • Telephone output impe[...]

  • Seite 20

    2-12 Technical Manual LDK 20(S) - Studio Camera Installation 1. +5VL 2. 0VL 3. AN0 4. AN1 5. Spare 6. Not connected 7. Private Data Camera - Base Station 8. Ground 9. Private Data Base Station - Camera 10 . Ground 11 . Shield Fischer 11-pin female; panel view part number 3922 040 02512 1. On-air signal return 2. Tracker microphone return 3. Tracker[...]

  • Seite 21

    Installation Technical Manual LDK 20(S) - Studio Camera 2-13 Panel Connector Type Part number Cable part number VTR 26-pin male 3922 040 02551 VTR cable LDL 2110/ * Triax 3- pi n Fischer female 2432 020 00009 LDK 8200/ ** Triax 3- pi n Trilock 3922 040 02682 - - Triax 3- pi n AR D 3922 040 01492 - - Triax 3- pi n Lemo 3922 040 02541 - - Viewfinder [...]

  • Seite 22

    2-14 Technical Manual LDK 20(S) - Studio Camera Installation 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 qua[...]

  • Seite 23

    Replacements Technical Manual LDK 20(S) - Studio Camera 3-1 Section 3 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 ...............[...]

  • Seite 24

    3 - 2 Technical Manual LDK 20(S) - Studio Camera Replacements Introduction Printed circuit boards 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 cam[...]

  • Seite 25

    Replacements Technical Manual LDK 20(S) - Studio Camera 3-3 To remove the front module proceed as follows: a. On the frontside of the camera remove 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 front module. d.[...]

  • Seite 26

    3 - 4 Technical Manual LDK 20(S) - Studio Camera Replacements To remove the filterwheel cassette proceed as follows: a. Loosen the two screws 1 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 . Use the grip to pull the cassette horizontally out of the camera. To[...]

  • Seite 27

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-1 Section 4 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 ........[...]

  • Seite 28

    4-2 Technical Manual LDK 20(S) - Studio Camera Adjustments 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, [...]

  • Seite 29

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-3 T est 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 • Colour monitor • Multimeter ?[...]

  • Seite 30

    4-4 Technical Manual LDK 20(S) - Studio Camera Adjustments Extender Board 23 24 1 2 2 1 24 TOP SIDE MP 23 MP BA 1 3 5 7 9 11 13 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 - CON NECTOR MP MP 1 2 3 4 56 8 10 12 14 16 18 20 22 24 7 9 11 13 15 17 19 21 23 S1 S3[...]

  • Seite 31

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-5 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 MEN[...]

  • Seite 32

    4-6 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Processor 1 Board Sync./Shading Board TOP SID E Video Processor 1 3922 406 85840 Test VP 1 Test Slope Shift 2 24 X55 1 23 X56 R - 12 G - 6 B - 15 X4 1 2 ZR111 Ampl Test A B C X3 R112 Slope Test R108 Shift Test Shad ing cross talk B Shadin g crosstalk G Shading cros stalk R R656 R456 [...]

  • Seite 33

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-7 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. Measure at: Adj[...]

  • Seite 34

    4-8 Technical Manual LDK 20(S) - Studio Camera Adjustments Video Processor 1 Board TOP SID E Video Processor 1 3922 406 85840 Test VP 1 Test Slope Shift 2 24 X55 1 23 X56 G - 6 R - 12 B - 15 X4 1 2 ZR111 Ampl Test A B C X3 R112 Slope Test R108 Shift Test Shad ing cros stal k B Shadin g crosstalk G Shading cros stalk R R656 R456 R256 MP110 MP100 MP6[...]

  • Seite 35

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-9 Video Processor 1 Board Test Sawtooth Nominal Settings 15. Sawtooth amplitude Measure at: Adjust with: Required result: Correct: MP110 ZR111 -1000mV 0% 10 90 100 0.2V 10µS VA+1.00V 16. Sawtooth slope Set sawtooth amplitude to 100% on oscilloscope, measure between 10% and 90% and adjust slo[...]

  • Seite 36

    4-10 Technical Manual LDK 20(S) - Studio Camera Adjustments Digital Video Processor BOTTO M SIDE Digital Video Proce s sin g 3922 406 84950 21 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 limiter shar p B ZR[...]

  • Seite 37

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-11 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. Adjust black offset during the active line to th[...]

  • Seite 38

    4-12 Technical Manual LDK 20(S) - Studio Camera Adjustments Digital Video Processor Subboard BOTTOM SIDE S ubboar d DS P 3922 40 6 8 4960 ZR671 ZR471 ZR271 BOTTO M SIDE Digital Video Proce s sin g 3922 406 84950 21 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 ZR3[...]

  • Seite 39

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-13 Digital Video Processor Subboard Gain DAC. 1. Adjust bar output amplitude. PAL Measure at: Adjust with: Required result: Correct: X51-21 ZR271 (R) +1400mV (R) 0% 10 90 100 0.2V 10µS VA+1.40V 1400 mV Measure at: Adjust with: Required result: Correct: X51-11 ZR471 (G) +1400mV (G) 0% 10 90 1[...]

  • Seite 40

    4-14 Technical Manual LDK 20(S) - Studio Camera Adjustments Digital Video Processor BOTTO M SIDE Digital Vi deo P roce ssin g 3922 406 84950 21 24 23 X52 2 1 24 23 X51 ZR632 Amplitude Black B ZR232 Amplitude Black R ZR432 Amplitude Black G ZR525 Black of f set limiter sharp G ZR325 Black of f set limiter sharp R ZR725 Black o ff set limiter sharp B[...]

  • Seite 41

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-15 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: Required result: Correct: X51-21 (R) ZR232 (R) +1400mV (R) 0% 10 90 100 0.5V 10µS VA+1.40V X51[...]

  • Seite 42

    4-16 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Miscellaneous Board Video Miscellaneous 3922 406 85070 TOP SID E Video Misc 12 36 1 2 36 ZR601 Gain BM ux ZR600 Wh. Pu lse BMu x Ampl . ZR401 Gain GMux ZR400 Wh ite Puls e G Mux A mpl. ZR93 R -Y L evel ZR94 B- Y L evel White Bal ance ZR91 Mon.V ideo Level R/G/B/Y /VFCNT ZR111 ZR247 [...]

  • Seite 43

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-17 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: Required result: MP2 ZL4 +2.5V DC level Output amplitude 4. Test sawtooth on. 5. Adjust Y output amplitude. Mea[...]

  • Seite 44

    4-18 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Miscellaneous Board Video Miscellaneous 3922 406 85070 TOP SIDE Video Misc 12 36 1 2 36 ZR601 Gain BM ux ZR600 Wh. Pu lse BMu x Ampl . ZR401 Gain GMux ZR400 White Pul se GMux Ampl. ZR93 R-Y Level ZR94 B-Y Level White Bal ance ZR91 Mon.V ideo Level R/G/ B/Y/VFCNT ZR111 ZR247 Cadre Co[...]

  • Seite 45

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-19 Video Miscellaneous Board R-Y amplitude 10. Adjust R-Y output amplitude. Measure at: Adjust with: Required result: Correct: X17A-10 ZR93 1400mV 0% 10 90 100 0.2V 10µS VA+1400mV B-Y amplitude 11. Adjust B-Y output amplitude. Measure at: Adjust with: Required result: Correct: X17A-16 ZR94 1[...]

  • Seite 46

    4-20 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Miscellaneous Board Video Miscellaneous 3922 406 85070 TOP SIDE Video Misc 12 36 1 2 36 ZR601 Gain BM ux ZR600 Wh. Pu lse BMu x Ampl . ZR401 Gain GMux ZR400 White Pul se GMux Ampl. ZR93 R -Y L evel ZR94 B-Y Level White Bal ance ZR91 Mon.V ideo Level R/G/ B/Y/VFCNT ZR111 ZR247 Cadre [...]

  • Seite 47

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-21 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: Required result: Correct: X17A-27 ZR201 700mV 0% 10 90 100 19. Adjust[...]

  • Seite 48

    4-22 Technical Manual LDK 20(S) - Studio Camera Adjustments 23 24 1 2 2 1 24 TOP SIDE MP 23 MP BA 1 3 5 7 9 11 13 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 - CONN ECTOR MP MP 1 2 3 4 56 8 10 12 14 16 18 20 22 24 7 9 11 13 15 17 19 21 23 S1 S3 S5 S7 S9 S11 [...]

  • Seite 49

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-23 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. Connect oscilloscope terminated with 75 Ohm to[...]

  • Seite 50

    4-24 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Miscellaneous Board Video Miscellaneous 3922 406 85070 TOP SIDE Video Misc 12 36 1 2 36 ZR601 Gain BM ux ZR600 Wh. Pu lse BMu x Ampl . ZR401 Gain GMux ZR400 White Pul se GMux Ampl. ZR93 R -Y L evel ZR94 B-Y Level White Bal ance ZR91 Mon.V ideo Level R/G/ B/Y/VFCNT ZR111 ZR247 Cadre [...]

  • Seite 51

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-25 V ideo 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 ZR9[...]

  • Seite 52

    4-26 Technical Manual LDK 20(S) - Studio Camera Adjustments Sync./Shading Board V ideo Processor 1 Board TOP SIDE Video Processor 1 3922 406 85840 Test VP 1 Test Slope Shift 2 24 X55 1 23 X56 G - 6 R - 12 B - 15 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[...]

  • Seite 53

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-27 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 s[...]

  • Seite 54

    4-28 Technical Manual LDK 20(S) - Studio Camera Adjustments Sync./Shading Board V ideo Processor 1 Board TOP SIDE Video Processor 1 3922 406 85840 Test VP 1 Test Slope Shift 2 24 X55 1 23 X56 G - 6 R - 12 B - 15 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[...]

  • Seite 55

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-29 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 A12 to B12 A13 to B13 A15 to B15 A17 to B17[...]

  • Seite 56

    4-30 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Processor 1 Board Sync./Shading Board TOP SIDE Video Processor 1 3922 406 85840 Test VP 1 Test Slope Shift 2 24 X55 1 23 X56 G - 6 R - 12 B - 15 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[...]

  • Seite 57

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-31 Sync./Shading Board Edge clip level 16. Set edge clip level potentiometers in their mid-position. Measure at: Adjust with: Required result: VF out R ZR237 Mid-position VF out G ZR437 Mid-position VF out B ZR637 Mid-position Edge gain correction 17. On MCP set: OPERATE MENU Gain : ++ Exposu[...]

  • Seite 58

    4-32 Technical Manual LDK 20(S) - Studio Camera Adjustments Sync./Shading Board V ideo Processor 1 Board TOP SIDE Sync./Shadin g 3922 406 85860 Sync Shad 1 2 23 24 1 2 23 24 X61 X62 ZR665 ZR636 ZR637 ZR638 ZR639 ZR666 ZR466 ZR436 ZR437 ZR438 ZR439 ZR465 ZR236 ZR238 ZR239 ZR700 ZR237 ZR266 ZR265 MP70 3 MP70 4 MP705 MP217 MP209 MP0 MP10 MP11 MP13 MP9[...]

  • Seite 59

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-33 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: Required result: VF out R ZR214 Video signal as flat VF out G [...]

  • Seite 60

    4-34 Technical Manual LDK 20(S) - Studio Camera Adjustments V ideo Miscellaneous Board Video Miscellaneous 3922 406 85070 TOP SIDE Video Misc 12 36 1 2 36 ZR601 Gain BM ux ZR600 Wh. Pu lse BMu x Ampl . ZR401 Gain GMux ZR400 White Pul se GMux Ampl. ZR93 R -Y L evel ZR94 B-Y Level White Bal ance ZR91 Mon.V ideo Level R/G/ B/Y/VFCNT ZR111 ZR247 Cadre [...]

  • Seite 61

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-35 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: Required result: CVBS out Waveform monitor 100% video level. 2. On OCP, ensure that the IRIS CENTRE c[...]

  • Seite 62

    4-36 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board P AL Encoder Board PAL 3922 406 82760 TOP SIDE CVBS Encoder Chroma 12 36 1 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 Z[...]

  • Seite 63

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-37 Encoder Board P AL 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. Turn [...]

  • Seite 64

    4-38 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board P AL Encoder Board PAL 3922 406 82760 TOP SIDE CVBS Encoder Chroma 12 36 1 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 Z[...]

  • Seite 65

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-39 Encoder Board P AL 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: Required res[...]

  • Seite 66

    4-40 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board P AL Encoder Board PAL 3922 406 82760 TOP SIDE CVBS Encoder Chroma 12 36 1 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 Z[...]

  • Seite 67

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-41 Encoder Board P AL Burst amplitude 19. Adjust the burst amplitude potentiometer to obtain a burst amplitude of 300mV. Measure at: Adjust with: Required result: Correct: CVBS out ZR210 300mV 0% 10 90 100 0.1V 2µS VA+300mV Burst timing 20. Observe waveform monitor or oscilloscope and adjust[...]

  • Seite 68

    4-42 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board NTSC Enc oder Board NTSC 3922 406 82770 TOP SIDE CV BS Encoder Chrom a 12 36 X11A 1 2 36 X11B L8 MP14 Chrom a MP 7 MP12 MP8 MP13 MP 6 MP17 MP0 MP18 MP 2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP 9 MP10 MP26 MP25 MP24 MP22 R4 R14 CV BS ZR203 Q Balance Z R202 B-Y G ain ZR205 R-Y [...]

  • Seite 69

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-43 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. Turn [...]

  • Seite 70

    4-44 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board NTSC Enc oder Board NTSC 3922 406 82770 TOP SIDE CV BS Encoder Chrom a 12 36 X11A 1 2 36 X11B L8 MP14 Chrom a MP 7 MP12 MP8 MP13 MP 6 MP17 MP0 MP18 MP 2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP 9 MP10 MP26 MP25 MP24 MP22 R4 R14 CV BS ZR203 Q Balance Z R202 B-Y Gain ZR205 R-Y G[...]

  • Seite 71

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-45 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. Measure at: Adjus[...]

  • Seite 72

    4-46 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board NTSC Enc oder Board NTSC 3922 406 82770 TOP SIDE CV BS Encoder Chrom a 12 36 X11A 1 2 36 X11B L8 MP14 Chrom a MP 7 MP12 MP8 MP13 MP 6 MP17 MP0 MP18 MP 2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP 9 MP10 MP26 MP25 MP24 MP22 R4 R14 CV BS ZR203 Q Balance Z R202 B-Y Gain ZR205 R-Y G[...]

  • Seite 73

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-47 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: Required result: Correct: 20 40 R 60 80 12.5% 100 120 20 40 100% YL MG B [...]

  • Seite 74

    4-48 Technical Manual LDK 20(S) - Studio Camera Adjustments Encoder Board NTSC Enc oder Board NTSC 3922 406 82770 TOP SIDE CV BS Encoder Chrom a 12 36 X11A 1 2 36 X11B L8 MP14 Chrom a MP 7 MP12 MP8 MP13 MP 6 MP17 MP0 MP18 MP 2 MP5 MP4 MP3 MP16 MP20 MP21 MP19 MP11 MP 9 MP10 MP26 MP25 MP24 MP22 R4 R14 CV BS ZR203 Q Balance ZR2 0 2 B-Y Gain ZR205 R-Y [...]

  • Seite 75

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-49 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: Required result: Correct: CVBS out ZR209 5.3µS 0% 10 90 100 50mV 1µS t+5.3µs 178kHz[...]

  • Seite 76

    4-50 Technical Manual LDK 20(S) - Studio Camera Adjustments Audio/Intercom LF Board Audi o/Interc om LF B oard 3922 406 85940 Audio Int LF TOP SIDE 12 36 1 2 36 E D C B A B A C S200 S300 E D C B A S100 ZR260 Audio 2 Limiter Level ZR160 Audio 1 Limiter Level ZMP0 ZMP200 ZMP100 ZMP340 ZR210 Audio 2 Preset Level ZR110 Audio 1 Preset Level ZMP300 ZMP40[...]

  • Seite 77

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-51 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. A[...]

  • Seite 78

    4-52 Technical Manual LDK 20(S) - Studio Camera Adjustments Audio/Intercom LF Board Audio/Intercom LF Board 3922 406 85940 Audio Int LF TOP SIDE 12 36 X 1 9 A 1 2 36 X 1 9 B E D C B A B A C S200 S300 E D C B A S100 ZR260 Audio 2 Limiter Level ZR160 Audio 1 Limiter Level ZMP0 ZMP200 ZMP100 ZMP340 ZR210 Audio 2 Preset Level ZR110 Audio 1 Preset Level[...]

  • Seite 79

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-53 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. Measure at:[...]

  • Seite 80

    4-54 Technical Manual LDK 20(S) - Studio Camera Adjustments Audio/Intercom LF Board Audio/Intercom LF Board 3922 406 85940 Audio Int LF TOP SIDE 12 36 X 1 9 A 1 2 36 X 1 9 B E D C B A B A C S200 S300 E D C B A S100 ZR260 Audio 2 Limiter Level ZR160 Audio 1 Limiter Level ZMP0 ZMP200 ZMP100 ZMP340 ZR210 Audio 2 Preset Level ZR110 Audio 1 Preset Level[...]

  • Seite 81

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-55 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. [...]

  • Seite 82

    4-56 Technical Manual LDK 20(S) - Studio Camera Adjustments Pre Processor Board Pre Processor Board 3922 406 83830 TOP SIDE Z R 3 2 2 G a i n G ZR122 Gain R ZR522 Gain B Z R 5 6 0 Z R 5 4 0 Z R 1 6 0 Z R 1 4 0 Z R 3 6 0 Z R 3 4 0 MP100 MP300 MP500 M P 0 ZS100 ZS700 ZS500[...]

  • Seite 83

    Adjustments Technical Manual LDK 20(S) - Studio Camera 4-57 Pre-Processor Board Gain Adjustment 1. Recall Factory Standard File on MCP or OCP. On MCP set: OPERATE MENU Knee : Off Auto Iris : Off Matrix sel. : 1:1 SETUP 1 MENU Wh. Limiter : Off Gamma : Lin. SETUP 4 MENU Asp. ratio : 4:3 2. Set the lighting conditions for 100% video output as follows[...]

  • Seite 84

    4-58 Technical Manual LDK 20(S) - Studio Camera Adjustments[...]

  • Seite 85

    Drawings Technical Manual LDK 20(S) - Studio Camera 5 - 1 Section 5 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 Block Di[...]

  • Seite 86

    5 - 2 Technical Manual LDK 20(S) - Studio Camera Drawings Block Diagram Power Signals 2/3" Front Camera Switch Panel Power Video Proc. 1 X23-16 X23-36 X23-38 X937-B16 X937-B14 X937-Z22 +18V -12Va +V peltier +18V -12Va +V peltier +13V +13V RET +5V GND -5V +3.3V +5V data +13V +13V RET +12V +5V +3.3V P GND -5V -12V -12V +48V +5v sense -5v sense X[...]

  • Seite 87

    Drawings Technical Manual LDK 20(S) - Studio Camera 5 - 3 Block Diagram Video Signals 7 0 0 m V 3 0 0 m V X 5 5 - 1 3 X 5 5 - 1 1 X 5 5 - 9 X 5 5 - 7 X 5 5 - 1 9 X 5 5 - 1 7 V i d e o P r o c e s s o r 1 1 3 0 m V R p p R e t . G p p R e t . B p p R e t . 2 1 5 m V 5 5 m V * B l a c k S h a d i n g * V - C l a m p * P r e b l a n k i n g * G a i n [...]

  • Seite 88

    5 - 4 Technical Manual LDK 20(S) - Studio Camera Drawings Block Diagram T ransmission Signals CAMERA CONTROL UNIT Volume Prod Front Ref Prod X27-4 X27-6 AUDIO INTERCOM TX/REC AUDIO INTERCOM LF Audio 1 TX ret Audio 2 TX ret Cam Mic TX ret Tracker Mic TX ret Prog ret Prod ret ENG ret X18A-21 X18A-22 X18A-17 X18A-18 X18B-30 X18B-29 X18B-18 X18B-17 X18[...]

  • Seite 89

    Drawings Technical Manual LDK 20(S) - Studio Camera 5 - 5 Block Diagram Control Signals 2/3" FRONT CAMERA SWITCH PANEL INTERCONN. BOARD VIDEO PROCES- SOR 1 X140-27 X140-28 D-SDA D-SCL C-SDA C-SCL C-INT N A - S D A B - S D A C - S D A E - S D A F - S D A H - S D A A - S C L B - S C L C - S C L E - S C L F - S C L H - S C L X 1 4 0 - 3 0 X 1 4 0[...]

  • Seite 90

    5 - 6 Technical Manual LDK 20(S) - Studio Camera Drawings[...]