Sony VPH-G70Q Installation Manual page 67

4
Adjust the focus on the upper and lower parts with the V screw on the
green CRT using the supplied tool.
Note
Normally, adjust only the V screw for the green CRT. Adjusting the H screw is
required only for non-standard installation.
For flapping adjustments of the red and blue lenses, adjust both the H and V
screws.
By turning the V screw, the CRT moves vertically to adjust the vertical tilt
of the focal surface.
V screw
Lens
By turning the H screw, the CRT moves horizontally to adjust the
horizontal tilt of the focal surface.
H screw
Lens
Repeat the above process until the upper and lower parts and the right and
left parts of the screen are in focus.
Proceed to the green magnetic focus and AQP/DQP
adjustments.
V screw
H screw
Up
B A
Focal
surface
Screen (Side view)
Right
D C
Focal
surface
Screen (Top view)
Moves vertically.
B
A
Moves horizontally.
D
C
67
Adjustments (EN)