[H Blanking Adjustment] - Sony BVM-D14H1E Maintenance Manual

[H Blanking Adjustment]

. . . . . Preparation
1. Connect the monoscope signal of the signal formats
that are shown in the following table, to the ANA-
LOG Y/G input connector. Perform the H blanking
adjustment in the respective screen modes using the
respective signal formats.
60 Hz system
Mode Signal format
MODE1 1080/60i
MODE2 (1125)
MODE3 1035/60i
MODE4 (1125)
MODE5 720/60p
MODE6
MODE7 480/60p
MODE8 (525)
MODE9
MODE10
MODE11 480/60i
MODE12 (525)
MODE13
MODE14
50 Hz system
Mode Signal format
MODE15 1080/48i
MODE16 (1125)
MODE17 1080/50i
MODE18 (1125)
MODE19 720/50p
MODE20
MODE21 575/50P
MODE22 (625)
MODE23
MODE24
MODE25 575/50i
MODE26 (625)
MODE27
MODE28
2. Increase the brightness by adjusting the BRIGHT con-
trol so that blanking becomes visible on screen.
Note: The following adjustment menus are located in
the directory under the DEFLECTION menu of
the MAINTENANCE menu.
H BLK LEFT
H BLK RIGHT
H SIZE
3-6
Screen mode
16 : 9 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
4 : 3 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
4 : 3 NORMAL
UNDER SCAN
Screen mode
16 : 9 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
4 : 3 NORMAL
UNDER SCAN
16 : 9 NORMAL
UNDER SCAN
4 : 3 NORMAL
UNDER SCAN
H CENT
H PHASE
. . . . . H. Blanking Adjustment
1. Press the SHIFT button to ON. [The LED (orange) on
top of the button turns on.]
2. To select the 4:3 mode of the adjustment, press the
16:9 OFF button [to turn off the LED (orange)] to
select the 4:3 mode.
To select the 16:9 mode of the adjustment, press the
16:9 ON button [to turn on the LED (orange)] to select
the 16:9 mode.
3. Press the SHIFT button to OFF. [The LED (orange)
on top of the button turns off.]
4. To select the NORMAL mode of adjustment, press the
UNDER SCAN button (
select the normal mode. [The green LED turns off.]
To select the UNDER SCAN mode of adjustment,
press the UNDER SCAN button (
position to select the under scan mode. [The green
LED turns on.]
5. Set the following adjustment data to adjustment points
as shown below.
H BLK LEFT : 255
H BLK RIGHT : 0
6. Adjust the H SIZE data so that the entire raster area is
visible on screen.
7. Adjust the H CENTER data so that the raster is
position just in the center of the screen (so that A = B).
(Fig. 1-6)
Effective screen area
Deflection area (raster area)
Signal display area
A
C
Fig. 1-6
BVM-D14H1U/D14H5U/D14H1E/D14H5E/D14H1A/D14H5A
) to its OFF position to
) to its ON
H CENTER
B
A = B
D
H PHASE
C = D