2-1-9. Focus Adjustment4. Set camera and viewfinder as follows.
Y Shoot the resolution chart (4:3) so that the chart frame
Noteis aligned with the underscanned monitor frame.
This adjustment, O2-1-10. Heater Voltage Adjustment� andY Adjust the iris of the lens so that the output level
O2-1-11. Picture Frame Adjustment� affect each other.(peak-to-peak) at TEST OUT connector/camcorder
Therefore, repeat these adjustments until these specifica-with the waveform monitor.
tions are satisfied.Spec. :?70 2 IRE (for NTSC)
Preparation
Y Set to the 16:9 mode.
Y Shoot the resolution chart (16:9) so that the chart frame
is aligned with the underscanned monitor frame.
(Viewfinder screen)Y Adjust the iris of the lens so that the output level (peak-
to-peak) at TEST OUT connector/camcorder with the
waveform monitor.490 ?14 mV (for PAL)
Spec. :?70 2 IRE (for NTSC)
Y BRIGHT control ? Mechanical center
Y CONTRAST control ? Mechanical center
Y Confirm that the focus operation can be performed.
5. Equipment: Digital voltmeter
Test point: TP2/VF-67
(Viewfinder screen)Adjustment point 1RV2 (OPAMP-ADJ) /VF-67:
Specification?:0.2 V dc6.0
490 ?14 mV (for PAL)
Y BRIGHT control ? Mechanical centerNote
Y CONTRAST control ? Mechanical centerAfter adjustment is completed, confirm that the focus
operation can be performed irrespective of its BRIGHT
Adjustment Procedureand CONTRAST controls setting.
1. Adjustment point1RV5 (FOCUS) /VF-67:
Adjustment method :1Turn RV5 fully counterclock
wise, and slowly turn it
clockwise to adjust the best
focus position.
2. Confirm that the focus operation can be performed
irrespective of its BRIGHT and CONTRAST controls
RV7RV4RV3 RV6RV5RV13
setting.
RV8
CP5E13. Set to the 4:3 mode.
CP4
CP1CP3
RV10
RV2
RV9RV11
VF-67 BOARD (A SIDE)
2-4(E)BVF-V20W/V20WCE |
ACEC
SONY
