Polarizer Adjustment - Panasonic PT-VZ570 Service Manual

SECTION 3 ADJUSTMENTS

1. 2. Polarizer adjustment

( For PT-VX600/VW530)
1. 2. 1. Preparation
1. Set the projection distance to 1.2 m or above.
2. Set the interlock switch(K8S) (on A-P.C.Board) to the ON state, and paste the adhesive tape.
* Do not damage the interlock switch.
* Please take this adjustment in the darkest room to perform preciously.
1. 2. 2. Adjustment
This adjustment should be taken in order of G-panel, R-panel and B-panel.
1. Turn the projector on and set the screen size to be maximum with zoom function.
2. Make a fine focus and project the "All black" pattern on the screen.
3. Loosen a screw-A on the polarizer holder. (Fig.2)
4. Adjust the slot B to obtain the darkest brightness on the screen by using a slot screwdriver.
5 Tighten the screw-A to fix the polarizer holder.
6. Take adjustment for remaining polarizers.
Fig.1
( For PT-VX600/VW530)
A
B
( For PT-VZ570)
A
B
* D isconnect FPC
cable
ADJ-4
B
A
Fig.2
B
A
B
A
Fig.3
B
A