Sony DXF-20W, Руководство по обслуживанию

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2-6 (E)
DXF-20W
2-2-6. Horizontal Shift Adjustment (For PAL)
m
.
The following is the adjustment of the PAL system video
camera and viewfinder.
. When adjusting the viewfinder used in the NTSC system
video camera, perform the “Adjustment procedure (For
NTSC)”.
Preparation
.
Measuring equipment: Waveform monitor
. Viewfinder
BRIGHT control
→
Fully clockwise 2
CONTRAST control
→
Fully counterclockwise
3
PEAKING control
→
Fully counterclockwise
3
Adjustment procedure
1. Attach the viewfinder to the PAL system video
camera.
2. Adjust the lens zoom so that the resolution chart frame
coincides with the underscanned picture frame on the
monitor screen.
3. Set the resolution on the monitor screen to the best
state with the lens focus.
4. Adjust the lens iris so that white level at VIDEO OUT
connector on the camera is 700
±
14 mV.
5. Adjust the BRIGHT control fully clockwise and the
CONTRAST control fully counterclockwise to display
the pedestal portion.
6. Adjust
1
RV102 (H-SHIFT: P)/DF-70 board so that the
pedestal portion on both sides are equal.
Viewfinder screen
Adjustment procedure (For NTSC)
1. Attach the viewfinder to the NTSC system video
camera.
2. Adjust the lens zoom so that the resolution chart frame
coincides with the underscanned picture frame on the
monitor screen.
3. Set the resolution on the monitor screen to the best
state with the lens focus.
4. Adjust the lens iris so that white level at VIDEO OUT
connector on the camera is 100
±
2 IRE.
5. Adjust the BRIGHT control fully clockwise and the
CONTRAST control fully counterclockwise to display
the pedestal portion.
6. Adjust
1
RV101 (H-SHIFT: N)/DF-70 board so that the
pedestal portion on both sides are equal.
Viewfinder screen
Pedestal portion on both sides
are equal.
Pedestal portion on both sides
are equal.
DF-70 board
RV101 RV102 RV103 RV104 RV105