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Adjustments

Technical Manual LDK 7500 + LDK 5490 Adapter

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.

Introduction ........................................................ 4-2
Test Equipment ................................................. 4-3
Set-up Instructions ............................................. 4-3
Video ADC Automatic Calibration ....................... 4-4
Pre-processor Calibration ................................... 4-4

Contents

3200K Adjustment ............................................. 4-4
Sawtooth Calibration .......................................... 4-4
Flare Adjustment ................................................ 4-5
Software Download ............................................ 4-5
Video Monitoring Adjustment ............................. 4-7

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Содержание LDK 7500

Страница 1: ... 2 8 Specifications 2 10 Cameraheaddimensions 2 11 Adapterdimensions 2 12 Replacements 3 1 Introduction 3 2 Handgrip 3 2 Printed circuit boards 3 3 Front unit 3 4 Adjustments 4 1 Introduction 4 2 Test Equipment 4 3 Set up Instructions 4 3 Video ADC Automatic Calibration 4 4 Pre processorCalibration 4 4 3200KAdjustment 4 4 SawtoothCalibration 4 4 FlareAdjustment 4 5 SoftwareDownload 4 5 Video Monit...

Страница 2: ...ts of your environment Thisinformationontheinstallationofthe camera is contained in Section 2 of the manual The remaining sections of the manual provide first line service information so that suitably qualified service personnel can detect and repair faults normally by modulereplacement Becauseofthecomplexityofsomeofthecomponents second line service can only be carried out at the specially equippe...

Страница 3: ... box then this is the current status For example in the illustration above the current status of the unit is 01 Line 1 392240700000 Line 2 123456AA0101 Line 3 VR 0123456789 Line 1 This is the code number of the printed circuit board assembly PCB Line 2 This is the serial number of the PCB The first 6 digits andthe2lettersareforinternaluse Thelastfourdigits reperesent the date of the manufacturing ...

Страница 4: ...iv Technical Manual LDK 7500 LDK 5490 Adapter 03 18 5 ...

Страница 5: ...Technical Manual LDK 7500 LDK 5490 Adapter 1 1 Section 1 Safety Instructions This section outlines the precautions that must be taken into account when using the adapter Contents Safety Summary 1 2 CautionsandWarnings 1 2 ...

Страница 6: ... impaired if the apparatus fails to performtheintendedfunctionorshowsvisibledamage Thisproducthasbeendesignedandtestedaccording toEN60065 Cautions and Warnings Whenperformingservice besuretoreadandcomply with the warning and caution notices appearing in the manuals Warningsindicatedangerthatrequirescorrect procedures or practices to prevent death or injury to personnel Cautionsindicateproceduresor...

Страница 7: ...includethosespecifiedtocomply withX rayemission standardsforunitsusingcathode ray tubes and those specified for compliance with various regulations regarding spurious radiation emission When servicing units that use cathode ray tubes CRTs the cathode ray tubes themselves the high voltage circuits and related circuits are specifically chosen so that they comply with recognized codes pertaining to X...

Страница 8: ...1 4 Technical Manual LDK 7500 LDK 5490 Adapter Safety Instructions ...

Страница 9: ...ions together with information on the integration of the camera into yourstudiosystemareprovided Theproceduresforthecustomizationofcertainhardwarefunctions and connector information is also provided Contents Packing Unpacking 2 2 HardwareCustomization 2 2 Attaching an Adapter 2 3 DetachinganAdapter 2 3 Connectors 2 4 Cables and breakout box 2 8 Specifications 2 10 Cameraheaddimensions 2 11 Adapter...

Страница 10: ...cially available materials a Wrap unit in heavy paper or plastic b Use strong shipping container c Usealayerofshock absorbingmaterialaroundall sides of the unit to provide firm cushioning and prevent movement inside container d Seal shipping container securely e MarkshippingcontainerFRAGILEtoensurecareful handling Hardware Customization The camera head is delivered in a ready to use state however ...

Страница 11: ...ning the screws in the wrong order could result in mechanical damage to the camera a Usingtherail 1 onthebottomofthecamerahead asaguide fittheguidepins 2 oneithersideofthe connectorandtheguidepin 3 atthetoprearofthe camera head into the corresponding slots of the adapter b First tighten the two horizontal screws 4 on the top of camera c Next tighten the two horizontal screws 5 at the front of the ...

Страница 12: ... GND 4 INTN D 5 vf ext video not used 6 n c 7 vf video ret 8 SDA D 9 SCL D 10 vf ext video ret not used 11 GND 12 vf video 13 Pb vf ret 14 Pr vf ret 15 GND 16 batt 17 batt 18 Pb vf 19 Pr vf 20 shield Hirose 20 pole female panel view Cable 20 pin male connector Part number 5322 320 12159 Viewfinderconnector D conn 9 pin male panel view 1 6 5 10 11 15 20 16 Connectors 1 5 6 9 ...

Страница 13: ...pare not standard on lens Hirose 12 pole female panel view Cable 12 pin male connector Part number 5322 265 41208 Lensconnector 5 6 4 11 3 2 12 7 8 9 10 1 1 Audio Screen 2 Audio In 3 Audio Return Microphone impedance 200 ohm Sensitivity controlled via camera menu 64 dBu to 22 dBu Signal at pin 2 of audio input is in phase with signal at pin 2 of audio output on Breakout box XLR 3 pole female Audio...

Страница 14: ...e panel view 4 3 1 2 1 Batt 2 Batt sense 3 Batt sense 4 Batt 10 5V 17V 23 3 pin male panel view Panel connector part number 3922 040 03231 Multicore connector 1 Audio X 2 Audio Shield 3 Audio Y 4 Tally in active 3V imped 10KOhm 5 Batt 6 Batt 7 Record out stop 0 2V start 4 5V imped 1KOhm 8 Batt sense 9 Batt 10 Batt 11 Batt sense 12 Batt 13 Batt 14 TXD 15 RXD 16 TXD ret 17 Playback in 18 CVBS 19 Gen...

Страница 15: ... female panel view Cable 4 pin male connector Obtainable from Hirose part number HR10A 7P 4P 1 Gnd 2 On air TTL level H on air 3 Housing 4 Batt max 2A 2 1 3 4 LCPconnector 1 2 RS 232 RXD 3 RS 232 TXD 4 5 ground 6 7 8 9 Batt 10 11 12 Housing Hirose 12 pin male panel view 5 6 4 11 3 2 12 7 8 9 10 1 ...

Страница 16: ...tor pinning Breakoutboxoption LDK8275 The breakout box has the following connectors Multicore in HDSDI A out 2x BNC HDSDI B out 2x BNC Viewing HDSDI out 2x BNC CVBS out Sync in Playback in Control Power in 12 Vdc Power in 24 Vdc Audio out terminate 75 Ohm if not used Cables and breakout box options HDSDI HDSDI VIEWING CVBS SYNC PLAYBACK CONTROL B A AUDIO POWER 12 VDC 24 VDC SELECT Important Termin...

Страница 17: ...e this input Note If the DC output connector of the camera is drawing 18W or more and a 50m cable or longer is used then the power supplied to this socket will not be sufficient to operate the system Power the camera locally to use cables lengths greater than 50m Power input connector 12 Vdc XLR 4 pin male panel view 1 Batt 2 Batt sense 3 Batt sense 4 Batt 10 5V 17V Use the SELECT switch to choose...

Страница 18: ...b modes 3200K 4700K 5600K 7200K Auto white HDStream mode 3200K 5600K Thru no correction FilmStream mode viewing channel only 3200K 4700K 5600K 7200K Thru Digital quantization 12 bit A to D Digital signal processing 22 bits not active in FilmStream mode Sensitivity 2000 lux 186 ft cd at F9 0 typical 1080p24 video mode Effective ASA320 in FilmStream mode Gain FilmStream mode viewing channel only 6 0...

Страница 19: ...Installation Technical Manual LDK 7500 LDK 5490 Adapter 2 11 Camera head dimensions ...

Страница 20: ...2 12 Technical Manual LDK 7500 LDK 5490 Adapter Installation Adapter dimensions ...

Страница 21: ...90 Adapter 3 1 Section 3 Replacements Thissectiongivesinformationontheprocedurestofollowwhenreplacingprintedcircuitboardsand mechanical components at first line level Contents Introduction 3 2 Handgrip 3 2 Printed circuit boards 3 3 Front unit 3 4 ...

Страница 22: ...cuit board has been replaced it is sometimes necessary to carry out adjustments to matchthenewboardstoyourcameraandsomaintain the performance levels The relevant adjustment procedures are given in Section 4 The procedures for removing the modules should be followed in reverse order when remounting the units To remove the handgrip proceed as follows a Removetheviewfinderfromitssupportbracketon theh...

Страница 23: ...board Databoard Frontdriverboard 1 3 2 4 5 Gaining access to adapter boards To access the printed circuit boards remove the left side cover of the adapter as follows a Unscrew the three screws on the left side panel b Remove the cover Location of adapter boards The boards in the adapter are numbered as follows Powerboard HDSDIoutputboard MiscellaneousHDSDIboard 4 6 5 1 3 2 Removing a board To remo...

Страница 24: ...swingthe right front cover down b Disconnect the B R and G coax cables from the DVPboardusingthecorrecttool partno 5322395 10802 c Unscrewthetwotopretainingscrews 2 oftheDVP boardandswingtheboarddownwards d Reach in behind the board and disconnect the flat cable from the connector at the bottom of the board e Disconnect the flat cable 3 that comes from the cover from the motherboard connector 4 f ...

Страница 25: ...mthe Front Removing the front unit To remove the front unit proceed as follows a To ease the removal of the front unit remove the adapter screws 1 completely b Unscrew the four retaining screws 2 of the front unit c Move the front unit slightly upwards and forward and disconnect the flat cable that comes from the frontfromtheconnectorontheconnectorboardof the camera d Remove the front unit Clear C...

Страница 26: ...3 6 Technical Manual LDK 7500 LDK 5490 Adapter Replacements ...

Страница 27: ...a These procedures need only be used if following a module replacement the camera does not perform according to specifications Introduction 4 2 Test Equipment 4 3 Set up Instructions 4 3 Video ADC Automatic Calibration 4 4 Pre processorCalibration 4 4 Contents 3200KAdjustment 4 4 SawtoothCalibration 4 4 FlareAdjustment 4 5 SoftwareDownload 4 5 Video Monitoring Adjustment 4 7 ...

Страница 28: ...arry out the procedures in the order given If it is discovered that the camera is misaligned the followingproceduresaregivenasaguideforcompetent service personnel who have a thorough knowledge of the camera and have the use of calibrated equipment 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 Multi...

Страница 29: ... complete misalignment of the camera CAUTION Do not realign individual potentiometers jumpers or switches not mentioned in this chapter or earlier in this manual These adjustment points are for factory use only CAUTION Switch off the power supply to the camera before removing or replacing printed circuit boards Test Equipment The following is a list of equipment required to carry out the adjustmen...

Страница 30: ...re not pre conditions for this calibration a In the menu system select the Service menu b SelectCalibrations c Select Sawtooth and run the procedure Pre processor Calibration The following is an automatic internal calibration procedure to adjust the analogue digital convertors There are not pre conditions for this calibration a In the menu system select the Service menu b SelectCalibrations c Sele...

Страница 31: ...The following is an adjustment procedure to correct the flare introduced by the lens a Recall the standard factory file b Close the lens and set the black level to approximately 10mV c With the menu system select the green signal d Shoot the black hole test chart 100 video e In the menu system select the Video menu f Select Flare g View the waveform monitor and adjust the green flare so that there...

Страница 32: ...4 6 Technical Manual LDK 7500 LDK 5490 Adapter Adjustments Video Monitoring Adjustment Sync Monitoring Board ZR234 X1 B1 A1 B50 A50 ...

Страница 33: ...itch on power 2 Switch on colour bar Viewfinder output level 3 Connect oscilloscope to X1 B45 4 Adjustthepotentiometeronthesync monitoringboardtoobtainthecorrectoutputamplitudeVFoutputsignal Measure at Adjust with Required result Correct X1 B45 ZR234 700mV 0 10 90 100 0 2V 10µS VB 700mV 5 Switch off power Return sync monitoring board to its position in the camera ...

Страница 34: ...4 8 Technical Manual LDK 7500 LDK 5490 Adapter Adjustments ...

Страница 35: ...echnical Manual LDK 7500 LDK 5490 Adapter 5 1 Section 5 Exploded Views HD Camera head 5 2 Camera head basic 5 3 Left cover assembly 5 4 Right cover assembly 5 5 Shoulder pad assembly 5 6 Handgrip assembly 5 7 Contents ...

Страница 36: ...5 2 Technical Manual LDK 7500 LDK 5490 Adapter Exploded Views ...

Страница 37: ...Exploded Views Technical Manual LDK 7500 LDK 5490 Adapter 5 3 ...

Страница 38: ...5 4 Technical Manual LDK 7500 LDK 5490 Adapter Exploded Views ...

Страница 39: ...Exploded Views Technical Manual LDK 7500 LDK 5490 Adapter 5 5 ...

Страница 40: ...5 6 Technical Manual LDK 7500 LDK 5490 Adapter Exploded Views ...

Страница 41: ...Exploded Views Technical Manual LDK 7500 LDK 5490 Adapter 5 7 ...

Страница 42: ...5 8 Technical Manual LDK 7500 LDK 5490 Adapter Exploded Views ...

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