Sony VPH-G70Q Manuel D'installation page 65

7
Reset the CONTRAST and BRIGHT levels.
The CONTR level resets to 80 by pressing the RESET key after
pressing the PICTURE CONTROL CONTR key.
The BRIGHT level resets to 50 by pressing the RESET key after
pressing the PICTURE CONTROL BRIGHT key.
For details, see "Adjusting the Picture Quality" on page 110 (EN).
8
Press the CUT OFF R and B keys to display the green signal only.
9
Adjust the center-focus.
Loosen the G1 screw, slide it so that the letters H at the center of the
screen are in focus, and then tighten the screw.
B1 screw
B2 screw G2 screw R2 screw
10
Adjust the corner-focus.
Loosen the G2 screw, slide it so that the letters H at all four corners of
the screen (white areas illustrated below) are in focus, and then tighten
the screw.
Repeat steps 9 and 10 until the green focus adjustment is completed.
(If the corner-focus cannot be adjusted completely, adjust it again after
finishing the flapping adjustment of the green lens.)
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
H H H H H H H H H H H H H H H H
Hint for the lens focus adjustment
The letter "H" is made up of dots. Adjust the focus so that dots of the letter
"H" can be clearly seen as illustrated below.
Placing a white paper over the front of the screen will make it easier to see
the dots.
Proceed to the adjustment for flapping of the green lens.
G1 screw R1 screw
Adjustments
65
(EN)