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

Page 85

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 Transmission Signals	5-4
Block Diagram Video Signals	5-3	Block Diagram Control Signals	5-5

Drawings

Technical Manual LDK 20(S) - Studio Camera

5-1

Image 85

Contents Technical Manual Declaration of Conformity LDK 20S Studio Camera Technical Manual Contents About This Manual Service policyPurpose of this manual Intended audienceSection 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 CustomizationExternal signal Internal signalsTest Sawtooth Lens matching External Aspect Ratio Switch Dipswitch SettingsAnalogue Ch1-Ch2 Cadre On/Off Viewfinder Cadre IndicationCadre appearance Audio microphone signals Audio / Intercom settingsIntercom headset signals Intercom microphone signalsPrivate Data VTR connector Connectors and CablesTriax connector Pin female panel view part number 3922 Viewfinder connectorAudio microphone connectors Camera headset connectorTracker communication connector Auxiliary 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 OffsetZR206 ZR111Ampl R Ampl GVideo 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 Gain Video Output amplitude readjustmentWhite limiter VF-Mon outputZR85 ZR92 Video Miscellaneous BoardSync Ampl LevelOutput amplitude VF sync. oscillatorB-Y white balance ZR85 ZR92 White Pulse Video Mux output AmplitudeVideo Miscellaneous Board Monitoring camera output White pulse amplitudeB/Y/VFCNT Black indicator level Indicator ZR90 Start IndicatorEnd Stop ViewfinderFocus bar Zoom barX55 DummyBlack Shading Correction Setting-upMP409 ZR465 ZR466 ZR265ZR666 DC level adjustment at 45oC Dummy offset adjustmentPulse compensation ZR238 ZR237ZR239 ZR637Edge gain correction Edge clip levelHor. sawtooth correction Nom. Exp Hor. sawtooth correction 1/1000 ExpZR208 Saw BlackZR214ZR211 Offset RWhite shading exposure Sync/Shading BoardVideo Miscellaneous Board Auto iris ZR203 Chroma Encoder Board PALBalance Balance R14Black balance Set-upCvbs amplitude ZR202 Burst PhaseGain ZR211Burst phase B-Y phaseZR217 Sc-H Phase Osc. PresetZR209 BurstSc-H phase relationship Genlock free-running presetBurst amplitude Burst timingEncoder Board Ntsc White bar amplitude MP8 ZR205Smpte bar shift MP7 90 phase Amplitude ZR201ZR207 ZR215Bar amplitude Adjust the I and Q bars for an amplitude of 286mV 40 IREZMP0 Audio/Intercom LF BoardAudio 1 limiter Audio 1 levelAudio 2 level Audio 2 limiterAudio/Intercom LF Board Cameraman intercom microphone PL Cameraman intercom microphoneLimiter level camera microphone Cameraman intercom microphone TRSAudio/Intercom LF Board CH1 fork attenuation Prod Audio/Intercom LF Board RTS ModeCH2 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