Sanyo PLV-HD2000E, Service Manual

Page: 69 / 198

- 69 -
(1) Focus Adjustment of LCD Panel
SCREW-A
SCREW-A
SCREW-A
SCREW-A
SLOT-B
Prism / LCD Panel
assembly
1
1
2
5 5
2
3
3
4
4
Minimum zoom (TELE)
Maximum zoom (WIDE)
Fig.53a
Fig.53b
Before Adjustment :
1. Turn on a projector.
2. Set the projector to "service mode" and project a green grid pattern on a screen. Adjust green grid pattern
to sharp focus by pressing Focus ( )( ) buttons on the projector or remote control unit.
3. Press Zoom( )( ) buttons on the projector or remote control unit. When focus is changed at minimum
Zoom and maximum Zoom, following adjustment is necessary.
Adjustment :
1. Loosen 4 screws-A using ball allen wrench.
2. Set image size to the minimum, pressing Zoom ( ) button on the projector or remote control unit.
3. Adjust center part of green grid pattern to sharp focus, pressing Focus ( )( ) buttons on the projector or
remote control unit.
4. Set image size to the maximum, pressing Zoom ( ) button on the projector or remote control unit.
5. Insert a slot screwdriver into slot-B, turn it and adjust center part and four corners on the green grid pattern
to sharp focus.
6. Repeat steps 2 to 5. Until focus does not shift by the ZOOM position between TELE and WIDE.
7. Tighten 4 screws-A to fix the assembly LCD panel / prism using ball allen wrench.
Optical adjustments