Adjustment; Adjusting The Focus; Focus Adjustment Procedure - Sony VPH-D50Q Installation Manual

Adjusting the Focus

Focus Adjustment Procedure

Before starting the adjustments
• Make sure that the projector is installed correctly and the CRT conversion
angle is adjusted correctly.
• When the picture is larger than the screen or is projected from the rear of
the screen, roughly adjust the registration before proceeding to the focus

adjustment.

Procedure
1 Remove the upper cover. (page 17 (EN))
.
2 Set the remote control to the service adjustment mode. (page 37 (EN))
.
3 Select the NO INPUT mode. (page 62 (EN))
.
4 Select the internal oscillation pattern (fH = 31.5 kHz). (page 62 (EN))
.
5 Display the H-pattern. (page 62 (EN))
.
6 Reset both CONTRAST and BRIGHT levels. (page 63 (EN))
.
7 Adjust the green lens focus. (page 63 (EN))
.
8 Adjust flapping of the green lens. (page 64 (EN))
.
9 Adjust the red lens focus. (page 66 (EN))
.
0 Adjust flapping of the red lens. (page 66 (EN))
.
!¡ Adjust the blue lens focus. (page 67 (EN))
.
!™ Adjust flapping of the blue lens. (page 67 (EN))
.
Proceed to the registration adjustment.
61
Adjustments (EN)