Technicolor - Thomson LDK 20(S) technical manual Amplitude, Video Mux output

Page 45

Video Miscellaneous Board

R-Y amplitude

10. Adjust R-Y output amplitude.

Measure at:

Adjust with:

Required result:

X17A-10

ZR93

1400mV

 

 

 

Correct:

0.2V10µS

100

90

10

0%

VA+1400mV

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.Adjust R-Mux output.

Required result: 1400mV

Correct:

0.2V10µS

100

90

10

0%

VA+1400mV

Measure at:

Adjust with:

X17A-27

ZR200

 

 

15. Adjust G-Mux output.

Required result: 700mV

Correct:

 

0.1V

10µS

100

 

90

 

10

 

0%

 

 

VA+700mV

Measure at:

Adjust with:

X17A-19

ZR400

 

 

16. Adjust B-Mux output.

Required result: 700mV

Correct:

 

0.2V

10µS

100

 

90

 

10

 

0%

 

 

VA+700mV

Measure at:

Adjust with:

X17A-23

ZR600

 

 

Required result:

700mV

Correct:

 

0.1V

10µS

100

 

90

 

10

 

0%

 

 

VA+700mV

Adjustments

Technical Manual LDK 20(S) - Studio Camera

4-19

Image 45
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 CustomizationInternal signals External signalTest Sawtooth Lens matching Dipswitch Settings External Aspect Ratio SwitchAnalogue Ch1-Ch2 Viewfinder Cadre Indication Cadre On/OffCadre appearance Audio microphone signals Audio / Intercom settingsIntercom headset signals Intercom microphone 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 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 LevelVF 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 Indicator ZR90 Start IndicatorEnd Stop ViewfinderFocus bar Zoom barX55 DummyBlack Shading Correction Setting-upZR265 MP409 ZR465 ZR466ZR666 Dummy offset adjustment DC level adjustment at 45oCPulse 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 R14Set-up Black balanceCvbs 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 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