2-8
(2) fsc Adjustment
Test Point: TD70 or TD71 (14MHz)
Main Board
8
Confirm that the item "2. fsc Adjustment" is displayed.
8
Connect the Frequncy Counter to TD70 or TD71.
8
Adjust data with
ARROW
keys
M<
of the Personal
Computer so that the Subcarrier Frequency becomes
14.18750 MHz ± 40 Hz.
8
Press
ENTER
key of the Personal Computer for next
adjustment.
(3) High Clip Level Adjustment
Test Point: Video Output Connector
8
Confirm that the item "3. High Clip Label Adjustment" dis-
played.
8
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 the
Video Output Connector.
8
Adjust data with the
ARROW
keys
M<
of the Personal
Computer so that the signal level becomes 805 mV
+35
– 0
mV as shown in Fig. 4-2-1.
8
Press
ENTER
key of the Personal Computer for next
adjustment.
(4) Pedestal Level Adjustment
Test Point: Video Output Connector
8
Confirm that the item "4. Pedestal Level Adjustment" dis-
played.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Connector.
8
Adjust data with
ARROW
keys
M<
of the Personal
Computer so that the Pedestal level becomes 50 mV ± 5
mV as shown in Fig. 4-2-2.
8
Press
ENTER
key of the Personal Computerfor next
adjustment.
(6) Video Output Gain Adjustment
Test Point: Video Output Connector
8
Confirm that the item "6. Video Out Gain Adjustment" dis-
played.
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
ARROW
keys
M<
of the Personal
Computer so that the Video signal level becomes 700 mV
± 50 mV as shown in Fig. 4-2-3.
8
Press
ENTER
key of the Personal Computer for next
adjustment.
805 mV
+ 35
– 0
Fig. 4-2-1
50 mV
±
5 mV
Fig. 4-2-2
700 mV
±
50 mV
Fig. 4-2-3
