[Linearity Adjustment] - Sony BVM-D14H1E Maintenance Manual

[Linearity Adjustment]

. . . . . Linearity Adjustment (1)
1. Connect the 1080/60i (1125) cross-hatch signal to the
ANALOG Y/G input connector.
2. Press the SHIFT button to ON. [The LED (orange) on
top of the button turns on.]
3. Press the 16:9 ON button [to turn on the LED (or-
ange)] to select the 16:9 mode.
4. Press the SHIFT button to OFF. [The LED (orange)
on top of the button turns off.]
5. Press the UNDER SCAN button (
position to select the normal mode. [The green LED
turns off.]
6. Check that the picture is not slanted, that there are no
top and bottom PIN distortion and horizontal trapezoi-
dal distortion.
Slanted picture:
Adjust inclination of the DY.
Horizontal PIN distortion:
Adjust upper and lower neck twist of the DY.
Horizontal trapezoidal distortion:
Adjust TLV adjustment control of the DY.
(Be careful that the TLV adjustment can
deteriorate the convergence.)
3-8
. . . . . Linearity Adjustment (2)
Note 1) Connect the monoscope signal or the cross-
60 Hz system
) to its OFF
MODE
MODE1
MODE2
MODE3
MODE4
MODE5
MODE6
MODE7
MODE8
MODE9
MODE10
MODE11
MODE12
MODE13
MODE14
50 Hz system
MODE
MODE15
MODE16
MODE17
MODE18
MODE19
MODE20
MODE21
MODE22
MODE23
MODE24
MODE25
MODE26
MODE27
MODE28
hatch signal having the following signal formats
as shown in the table below, to the ANALOG Y/
G input connector. Perform the linearity
adjustment (2) in the respective screen modes
using the respective signal formats.
Signal format
1080/60i 16 : 9
(1125)
1035/60i 16 : 9
(1125)
720/60p 16 : 9
480/60p 16 : 9
(525)
4 : 3
480/60i 16 : 9
(525)
4 : 3
Signal format
1080/48i 16 : 9
(1125)
1080/50i 16 : 9
(1125)
720/50p 16 : 9
575/50P 16 : 9
(625)
4 : 3
575/50i 16 : 9
(625)
4 : 3
BVM-D14H1U/D14H5U/D14H1E/D14H5E/D14H1A/D14H5A
Screen mode
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
Screen mode
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN
NORMAL
UNDER SCAN