Panasonic WV-CW970 Service Manual

Also see for Super Dynamic III WV-CW974: Product catalog Product catalog Brochure & specs Specifications Operating instructions

Contents

2-10790 mV ± 30 mV8 Press the ENTER key for next adjustment.(4) High Clip Level AdjustmentTest Point: Video Output Connector8 Confirm the Colour Temperature at 3 200°K.8 Aim the Camera at the Logarithmic Gray Scale Chart.8 Connect the terminated Oscilloscope with 75 Ω to theVideo Output Connector.8 Adjust data with the ARROW keys so that the High cliplevel becomes 790 mV ± 30 mv as shown in Fig. 4-1-3.(5) Pedestal AdjustmentTest Point: Video Output Connector8 Connect the terminated Oscilloscope with 75 Ω to theVideo Output Connector.8 Adjust data with the ARROW keys so that the Pedestallevel becomes 50 mV ± 10 mV as shown in Fig. 4-1-4.Fig. 4-1-48 Press the ENTER key for next adjustment.50 mV ± 10 mV4.1.4. Adjustment Procedure8 Select the item "1. SC FREQUENCY" with the ARROWkey and press the ENTER key.(1) Subcarrier Frequency Adjustmentfor INT modeTest Point: TD4 (SC VCXO) Main Board8 Connect the Frequncy Counter to TD4.8 Adjust data with the ARROW keys so that the SubcarrierFrequency becomes 17.73447 MHz ± 40 Hz.8 Press the ENTER key for next adjustment.(2) Subcarrier Frequency Adjustmentfor LL modeTest Point: TD4 (SC VCXO) Main Board8 Connect the Frequncy Counter to TD4.8 Adjust data with the ARROW keys so that the SubcarrierFrequency becomes 17.73447 MHz ± 40 Hz.8 Press the ENTER key for next adjustment.(3) Line Lock Phase AdjustmentTest Point: Video Output ConnectorAC Live Waveform8 Connect the CH1 of the Oscilloscope to the Video OutputConnector.8 Connect the CH2 of the Oscilloscope to the AC PowerLine.8 Trigger the Oscilloscope at V-rate.8 Adjust data with the ARROW keys so that the decay pointof V-sync signal gains 2H ± 4H from the zero-cross pointof the AC Power Line Input Waveforms as shown in Fig.4-1-2.8 Press the ENTER key for the next adjustment.8 Adjust data with the ARROW keys so that the decay pointof V-sync signal gains 2H ± 4H from the zero-cross pointof the AC Power Line Input Waveforms as shown in Fig.4-1-2.8 Press the ENTER key for the next adjustment.Zero-Cross PointAC Line InputWaveformVideo OutputSignal Waveform2H ± 4H– +V SYNCFig. 4-1-3Fig. 4-1-2