Panasonic AJSDX900P - 24P DVCPRO 50, Service Manual

Page: 127 / 421

ELE-14
White Level
5MHz
80%
2-24. ATW Parameter Adj.
BOARD CAMDSP Board
TP VIDEO OUT
ADJ. EVR
F No. -
CHART Gray Scale
MODE CAM
M. EQ. Waveform Monitor
SPEC. -
1. Set the lens to
“WIDE” .
2. Click the “23. ATW Parameter Adjustment” of the
camera adjustment software.
3. Set a CC Filter (LBB12) in the front of the lens.
4. Connect a waveform monitor to
VIDEO OUT and set a
chroma filter ON.
5. Shoot a Gray Scale Chart and adjust the IRIS so that
the video level of the VIDEO OUT becomes 80% at the
white portion and click “OK” .
< NOTE >
When retry the “ATW Parameter Adj.”, adjust after operate
the power switch OFF and ON.
2-25. Modulation Ratio Adj.
BOARD PULSE Board
TP VIDEO OUT (Y) (75 ohm terminated)
ADJ. EVR
F No. F5.6 - F4
CHART Immega Cycle Chart
MODE CAM
M. EQ. Waveform Monitor
SPEC. 5MHz = more than 70%
1. Set the shutter
1/500 .
2. Shoot a Immega Chart and adjust the IRIS so that the
level of the VIDEO OUT becomes 80% at the white
portion.
3. Operate the “AWB” and “ABB” switch on the front of
the Camera.
4. Click the “24. Modulation Ratio Adjustment” of the
camera adjustment software and click “OK” .
5. Adjust the IRIS again as step 2.
6. Adjust the Slider on the PC so that the level of 5MHz
( “A” ) becomes maximum (more than 70%) as shown
figure.
7. Click “>>” .
8. Set the shutter 1/2,000 .
9. Adjust the IRIS so that the level of the VIDEO OUT
becomes 80% at the white portion.
10. Operate the “AWB” switch on the front of the Camera.
11. Click “OK” .
12. Adjust the Slider on the PC so that the level of 5MHz
( “A” ) becomes maximum (more than 70%) as shown
figure.
13. Click “>>” .
14. Set the ND Filter to “2” (1/4ND) .
15. Adjust the IRIS so that the level of the VIDEO OUT
becomes 80% at the white portion.
16. Operate the “AWB” switch on the front of the Camera.
17. Click “OK” .
18. Adjust the Slider on the PC so that the level of 5MHz
( “A” ) becomes maximum (more than 70%) as shown
figure.
19. Click “>>” .
20. After compleate the adjustment, click “NORMAL 60I
(for NTSC) ” or “NORMAL 50I (for PAL) ” .
2-26. White Shading Offset Adj.
(0 dB)
BOARD PREPROCESS Board
TP VIDEO OUT (R, G, B)
ADJ. EVR
F No. CLOSE
CHART -
MODE CAM
M. EQ. Waveform Monitor
SPEC. FLAT
1. Set the Lens close.
2. Confirm that the WHITE BAL is
“PRST” .
3. Set the gain of waveform monitor to 5X.
4. Operate
the “ABB” switch on the front of the Camera.
5. Click the “25. White Shading Offset Adjustment
0dB” of the camera adjustment software.
6. Click “OK” .
7. Adjust the slider on the PC so that the waveform
becomes FLAT as shown figure.
8. Click “>>” .
9. Adjust the slider on the PC so that the waveform
becomes FLAT as shown figure.
10. Click “>>” .
11. Adjust the slider on the PC so that the waveform
becomes FLAT as shown figure.
12. Click “>>” .
13. Confirm that the picture on the monitor is FLAT (no
color shading). If the color shading is appeared, adjust
again.
- Continued on the next page -