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(4). Video Output Gain Adjustment
Test Point:
CN403 (Video Output Connector)
I/F Power Board
8
Keep 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 the
Video Output Connector.
8
Adjust data with the ARROW keys so that the Video sig-
nal level becomes 700 mV ± 50 mV as shown in Fig. 4-3.
nal level becomes 700 mV ± 50 mV as shown in Fig. 4-3.
Fig. 4-3
(5). Pedestal Adjustment
Test Point:
CN403 (Video Output Connector)
I/F Power Board
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the Pedestal
level becomes 50 mV ± 5 mV as shown in Fig. 4-4.
level becomes 50 mV ± 5 mV as shown in Fig. 4-4.
8
Press the ENTER key for next adjustment.
Fig. 4-4
8
Press the ENTER key for next adjustment.
700 mV
±
50 mV
50 mV
±
5 mV
(6). Burst Level Adjustment
(6.1). Burst Level Adjustment
Test Point:
CN403 (Video Output Connector)
I/F Power Board
8
Keep the Colour Temperature at 3 200ºK.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 4-5.
becomes 300 mV ± 10 mV as shown in Fig. 4-5.
8
Set the Mode Switch of the Vectorscope to NTSC mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 135° ± 1° as shown in Fig. 4-6.
phase becomes 135° ± 1° as shown in Fig. 4-6.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
NTSC mode to the PAL mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 90° ± 2° as shown in Fig.4-6.
phase becomes 90° ± 2° as shown in Fig.4-6.
8
Press the ENTER key for next adjustment.
(6.2). Burst Level Adjustment
Test Point:
CN403 (Video Output Connector)
I/F Power Board
8
Keep the Colour Temperature at 3 200ºK.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 4-5.
becomes 300 mV ± 10 mV as shown in Fig. 4-5.
8
Set the Mode Switch of the Vectorscope to NTSC mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 135° ± 1° as shown in Fig. 4-6.
phase becomes 135° ± 1° as shown in Fig. 4-6.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
NTSC mode to the PAL mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 90° ± 2° as shown in Fig.4-6.
phase becomes 90° ± 2° as shown in Fig.4-6.
8
Press the ENTER key for next adjustment.
300 mV
±
10 mV
Fig. 4-5
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