Electrical Adjustments; Preparation; Required Equipment; Opt Unit Adjustment - Sony VPL-ES1 Service Manual

2-1. Preparation

2-1-1. Required Equipment

. NTSC, PAL, SECAM component signal generator
Sony Tektronix TG2000 + AVG1 (option module) +
AWVG1 (option module) or equivalent
. VG (programmable video signal generator)
VG854 or equivalent
. Illuminance meter
n
Allow the warm-up time of 5 minutes after the power is on
before starting the following adjustments.

2-1-2. Opt Unit Adjustment

1. Let the VPL-ES1 show the ALL WHITE screen.
2. Adjust the B-channel illumination adjustment mirror
so that the yellow frame must not appear in any of top,
bottom, right and left of the screen.
3. Tighten the adjustment plate fixing screw using a
torque screwdriver. (Torque 0.19 ± 0.03 Nm)
4. Adjust the G-channel illumination adjustment mirror
so that the magenta frame must not appear in any of
top, bottom, right and left of the screen.
5. Tighten the adjustment plate fixing screw using a
torque screwdriver. (Torque 0.19 ± 0.03 Nm)
6. Adjust the R-channel illumination adjustment mirror
so that the cyan frame must not appear in any of top,
bottom, right and left of the screen.
7. Tighten the adjustment plate fixing screw using a
torque screwdriver. (Torque 0.19 ± 0.03 Nm)
8. Confirm that the illumination range error is within the
allowable range of product specification.
9. Install the VPL-ES1 in the cabinet. Confirm that the
illumination range error is within the allowable range
of product specification after the VPL-ES1 is installed
in the cabinet.
VPL-ES1
Section 2

Electrical Adjustments

When installing the optical unit in this model, alignment of
the gear tooth position is required. Perform the following
steps.
Lens gear
Gear alignment portion
Procedure
1. Rotate the lens focus and zoom in the fully clockwise
positions. Lock the lens gear in the direction shown in
Fig. 1.
Lens gear
2. Align the marking position of the lens zoom gear with
the protrusion of the lens gear approximately by visual
observation as shown below.
Lens projection
Lens gear
Focus
Fig. 1
Engage the gears.
Lens
Lens gear
Fig. 2 (inside view)
Zoom
2-1