[Focus Adjustment]; [Landing Adjustment] - Sony TRINITRON BVM-D9H1U Maintenance Manual

[Focus Adjustment]

1. Connect the 1080/60i cross-hatch signal (see note) to
the ANALOG Y/G input connector.
Note: This is the 1125 (1080) cross-hatch signal.
2. Set the initial (default) value to the following DF
adjustment data.
FOCUS AMP : 00
FOCUS KEY : 07
Note: This menu is located in the directory under the
DEFLECTION menu of the MAINTENANCE
menu.
3. Obtain the optimum focus at the center of the screen
by adjusting the FOUCS adjustment control.
4. Connect the 1080/60i monoscope signal to the ANA-
LOG Y/G input connector.
5. Check that the horizontal resolution higher than the
specifications can be recognized.
Specifications: 320 TV lines or more
FOCUS
SCREEN
Fig. 1-1
BVM-D9H1U/D9H5U/D9H1E/D9H5E/D9H1A/D9H5A
FBT

[Landing Adjustment]

1. Connect the 480/60i entire-white signal (see note) to
the ANALOG Y/G input connector.
Note: This is the NTSC entire-white signal.
2. Press the SHIFT button to ON. [The LED (orange) on
top of the button turns on.]
3. Press the 16:9 button to the OFF position to set the 4:3
mode. [The LED (orange) on top of the button turns
off.]
4. Direct the CRT screen toward east (or west). Press the
DEGAUSS button.
5. Set the Purity knob in the mechanical center.
Purity
6-pole
4-pole
Fig. 1-2
6. Push the DY (deflection yoke) to the front as far as it
can go.
7. Change the screen display to all green only as follows.
[While the SFHIT is ON (the orange LED on the
SHIFT button turns on), press the R and B button to
ON. (The orange LED on the SHIFT button turns on.)]
8. Adjust the Purity knob until green comes to the center
of the display.
Red
Fig. 1-3
9. Move back the DY so that the entire screen shows the
green only.
Green Blue
3-3