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– 6 –
Fig. 4-4
8
Adjust R528 so that the DC voltage at E507 becomes 0 V
as shown in Fig. 4-4.
8
Change the connection of the Oscilloscope to E107.
8
Adjust R246 so that R-Level becomes 300 mVp-p as
shown in Fig.4-4.
8
Adjust R128 so that the DC voltage at E107 becomes 0 V
as shown in Fig.4-4.
(6). White Clip Adjustment
Test Point:
E307 (G)
Analog Process Board
E107 (R)
Analog Process Board
E507 (B)
Analog Process Board
Adjust:
R323 (G-WC)
Analog Process Board
R123 (R-WC)
Analog Process Board
R523 (B-WC)
Analog Process Board
8
Set the Lens Iris by more than three digits to the open
direction.
8
Connect CH1 of the Oscilloscope to E307 and CH2 of the
Oscilloscope to E107.
8
Adjust R323 and R123 so that the two signal levels
coincide with each other from 1.4 Vp-p to 1.8 Vp-p as
shown in Fig. 4-5.
Fig. 4-5
8
Change the connection of CH2 of the Oscilloscope to
E507.
8
Adjust R523 so that the signal level at E507 coincides with
the signal level at E307 as shown in Fig. 4-5.
(7). Automatic Adjustment
Test Point:
E307 (G)
Analog Process Board
8
Set the Lens Iris to the Automatic side.
8
Turn the power ON while pressing the ITEM/AWC (
<
)
Switch YES/ABC (+) Switch and NO/BAR (–) Switch on
the Rear Panel of the AW-E800/AW-E800E.
8
The Automatic Adjustment Menu is displayed, set the
Lens Iris to the Manual side.
8
Connect the Oscilloscope to E307.
8
Set the Lens Iris so that the peak level of the Gray Scale
from the Blanking level becomes 300 mVp-p as shown in
Fig. 4-4.
8
Press the YES/ABC (+) Switch.
8
Move to the Automatic Adjustment Item by the ITEM/AWC
(
<
) Switch.
8
Set the Lens Iris to the Automatic side.
8
Press the YES/ABC (+) Switch, and confirm that the
Automatic Adjustment should be finished and displayed
"OK".
8
Turn the power OFF and ON again so that the Camera
return to the Normal mode.
(8). Dark Shading Adjustment
Test Point:
E305 (G-OUT)
Analog Process Board
E105 (R-OUT)
Analog Process Board
E505 (B-OUT)
Analog Process Board
Adjust:
R776 (G-H PARA)
Analog Process Board
R785 (G-H SAW)
Analog Process Board
R803 (G-V TOP)
Analog Process Board
R767 (V TOP WIDTH)
Analog Process Board
R774 (R-H PARA)
Analog Process Board
R783 (R-H SAW)
Analog Process Board
R801 (R-V TOP)
Analog Process Board
R778 (B-H PARA)
Analog Process Board
R787 (B-H SAW)
Analog Process Board
R805 (B-V TOP)
Analog Process Board
8
Close the Lens Iris.
8
Open the menu and set the gain to 30 dB.
8
Connect the CH1 of the Oscilloscope to E305.
8
Turn R776, R785, R803, R767, R774, R783, R801, R778,
R787 and R805 to their mechanical center.
8
Trigger the Oscilloscope at TP4 on the DSP Board.
8
Adjust R776 so that the H Parabola shading of Gch
becomes minimum as shown in Fig. 4-6.
300 mVp-p
0 V DC
1.4 – 1.8 Vp-p
Signal levels
coincide
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