Horizontal Shift Adjustment (For Pal) - Sony DXF-20W Service Manual

2-2-6. Horizontal Shift Adjustment (For PAL)

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. 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
→ Fully clockwise 2
BRIGHT control
CONTRAST control → Fully counterclockwise 3
→ Fully counterclockwise 3
PEAKING control
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 1RV102 (H-SHIFT: P)/DF-70 board so that the
pedestal portion on both sides are equal.
Viewfinder screen
2-6 (E)
Pedestal portion on both sides
are equal.
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 1RV101 (H-SHIFT: N)/DF-70 board so that the
pedestal portion on both sides are equal.
Viewfinder screen
DF-70 board
Pedestal portion on both sides
are equal.
DXF-20W