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2-1. Electrical Adjustment Using @ Camcorder
2-1-12. Picture Frame Adjustment
Note
This adjustment, "2-1-10, Focus Adjustment" and "2-1-11.
Heater Voltage Adjustment" affect each other.
Therefore, repeat these adjustments until these specifica-
tions are satisfied.
Preparation
+ Set to the 16:9 mode.
+ Shoot the resolution chart (16:9) so that the chart frame
is aligned with the underscanned monitor frame.
+ Adjust the iris of the lens so that the output level (peak-
to-peak) at TEST OUT connector/camcorder with the
waveform monitor.
Spec. :70 £2 TRE (for NTSC)
490 £14 mV (for PAL)
{Viewfinder screen)
+ BRIGHT contro! > Mechanical center
* CONTRAST control > Mechanical center
Adjustment Procedure
1. Adjustment point : @RV7 (H-HOLD) /VF-67
Specification
: If the upper left comer of the
picture is distorted, makes right
angle.
2.
Adjustment point : @RV11 (V-LIN) /VF-67
@RV13 (H-LIN) /VF-67
(Viewfinder screen)
3.
Adjustment point
: @RV4 (H-SIZE WIDE) /VF-67
@RV 10 (V-SIZE) /VF-67
@Centering magnet
: Adjust @RV4 and @RV10 so
that the positions of the resolu-
tion chart are as shown
below.Turn the centering
magnet only when the left and
Jower comers cannot be adjust-
ed.
Adjustment method
Approx.
2mm
Torker:
: opr MEME
poorox. 2 mm
Picture frame
(Viewfinder screen)
4,
Check that the required specification is met.
Test point:
TP3/VF-67 (B SIDE)
Specification : 8.80 £0.20 V de
If not, repeat from step 3.
5. Place the VF tube to the lower chassis as shown
below, and confirm that the picture is in the center of
the viewfinder in the normal installing position.
: Minimize the distortion of the four
circles at the corners of the resolu-
tion chart.
Specification
(To be continued)
2-6 (E)
Note
When the centering magnet is tumed, paint-lock it again.
BVF-VZOWN20WCE
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