Technicolor - Thomson LDK 20(S) technical manual Section Adjustments, Contents

Page 27

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

4-2

Digital Video Processor

4-15

Test Equipment

4-3

Video Miscellaneous Board

4-17

Set-up Instructions

4-3

Sync./Shading Board

4-27

Video Processor 1 Board

4-5

Video Miscellaneous Board

4-35

Digital Video Processor

4-10

Encoder Board PAL

4-37

Digital Video Processor

4-11

Encoder Board NTSC

4-43

Digital Video Processor Subboard

4-12

Audio/Intercom LF Board

4-51

Digital Video Processor Subboard

4-13

Audio/Intercom LF Board RTS MODE

4-55

Digital Video Processor

4-14

Pre-Processor Board

4-57

Adjustments

Technical Manual LDK 20(S) - Studio Camera

4-1

Image 27
Contents Technical Manual Declaration of Conformity LDK 20S Studio Camera Technical Manual Contents Intended audience Service policyAbout This Manual Purpose of this manualSection Safety Instructions According to IEC65 Safety SummaryCathode ray tubes EarthingTechnical Manual LDK 20S Studio Camera Safety Instructions Section Installation Packing/Unpacking Local / Remote Power SupplyLocation of adjustments Hardware Setup and CustomizationInternal signals External signalTest Sawtooth Lens matching Dipswitch Settings External Aspect Ratio SwitchAnalogue Ch1-Ch2 Viewfinder Cadre Indication Cadre On/OffCadre appearance Intercom microphone signals Audio / Intercom settingsAudio microphone signals Intercom headset signalsPrivate Data Connectors and Cables VTR connectorTriax connector Pin female panel view part number 3922 Viewfinder connectorAudio microphone connectors Camera headset connectorAuxiliary connector Tracker communication connectorData connector Cable connector part numbers Script light connectorCamera system Specifications LDK20Section Replacements Printed circuit boards IntroductionFront module Filterwheel Cassette Power supply Section Adjustments Adjustments Set-up Instructions Test EquipmentExtender Board Video Processor 1 Board Setting-up the CameraSync./Shading Board Vertical sawtooth offset Black OffsetAmpl G ZR111ZR206 Ampl RVideo output Test Sawtooth Nominal Settings 15. Sawtooth amplitudeDigital Video Processor Black Offset Level Digital Video Processor Subboard Ntsc Gain DACZR525 X51 ZR541 Black off set Limiter sharp G MP500 ZR830 VF-Mon output Output amplitude readjustmentGain Video White limiterAmpl Level Video Miscellaneous BoardZR85 ZR92 SyncVF sync. oscillator Output amplitudeB-Y white balance ZR85 ZR92 White Pulse Video Mux output AmplitudeVideo Miscellaneous Board Monitoring camera output White pulse amplitudeB/Y/VFCNT Black indicator level Viewfinder IndicatorIndicator ZR90 Start End StopFocus bar Zoom barX55 DummyBlack Shading Correction Setting-upZR265 MP409 ZR465 ZR466ZR666 Dummy offset adjustment DC level adjustment at 45oCPulse compensation ZR637 ZR237ZR238 ZR239Hor. sawtooth correction 1/1000 Exp Edge clip levelEdge gain correction Hor. sawtooth correction Nom. ExpOffset R Saw BlackZR208 ZR214ZR211White shading exposure Sync/Shading BoardVideo Miscellaneous Board Auto iris Balance R14 Encoder Board PALZR203 Chroma BalanceSet-up Black balanceCvbs amplitude ZR211 Burst PhaseZR202 GainBurst phase B-Y phaseBurst Osc. PresetZR217 Sc-H Phase ZR209Burst timing Genlock free-running presetSc-H phase relationship Burst amplitudeEncoder Board Ntsc White bar amplitude MP8 ZR205Smpte bar shift MP7 90 phase ZR215 ZR201Amplitude ZR207Bar amplitude Adjust the I and Q bars for an amplitude of 286mV 40 IREZMP0 Audio/Intercom LF BoardAudio 2 limiter Audio 1 levelAudio 1 limiter Audio 2 levelAudio/Intercom LF Board Cameraman intercom microphone TRS Cameraman intercom microphoneCameraman intercom microphone PL Limiter level camera microphoneAudio/Intercom LF Board Audio/Intercom LF Board RTS Mode CH1 fork attenuation ProdCH2 fork attenuation ENG Pre Processor Board Pre-Processor Board Gain AdjustmentTechnical Manual LDK 20S Studio Camera Section Drawings Block Diagram Power Signals 104 RZ 610 RZ Block Diagram Video SignalsPanel Block Diagram Transmission SignalsData Board Block Diagram Control SignalsTechnical Manual LDK 20S Studio Camera