Read Panasonic PT-MZ770 / PT-MW730 (serv.man3) Service Manual online
ADJ-3
SECTION 3 ADJUSTMENTS
<MZ770/MW730>
1. 1. Polarizer adjustment
1. 1. 1. Preparation
1. Loosen 1 screw-A and slide the Top slide cover in the direction of arrow in the picture below to remove it.
2. Loosen 1 torx screw-B with a Torx driver (T10), and take the Prism cover upward off.
1. 1. 2. Adjustment
* This adjustment should be taken by the order of G -> R -> B.
* This adjustment should be taken at the darkest room to make the adjustment preciously.
1. Turn the projector on and project image on the screen with maximum screen size with prism cover open.
2. Make the fine focus and project a internal test pattern [All Black] with projector's menu.
3. Loosen a screw(C) on the G-polarizer mounting holder slightly.
4. Insert a flat screw driver into the slot (D) and turn it to move the polarizer mounting holder left or right, and adjust it to the
place where the black on the screen becomes the darkest and the minimum color shading.
5. Tighten the screw (C) to fix the polarizer mounting holder.
6. Adjust remaining adjustment for R and B polarizers continuously.
B
A
Prism cover
Top slide cover
DPQT1303ZA
CAUTION- CLASS 2 LASER RADIATION WHEN OPEN AVOID EYE OR
SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION
CAUTION- RAYONNEMENT LASER DE CLASSE 2 - EN CAS D'OUVERTURE
EXPOSITION DANGEREUSE AU RAYONNEMENT DIRECT OU
DIFFUS DES YEUX OU DE LA PEAU
Note on adjusting the Polarizer
When the projector turns on with the Prism
cover removed, the class 2 laser is radiated
from the opening of the chassis.
When taking the polarizer adjustment, do
not look into the radiated parts.
C
D
C
D
C
D
The screw (C) is located under the FFC cable of LCD
panel. When tightening or loosening the screw or
adjusting, you should pay attention not to scratch the
FFC cable by the wrench or driver.
Click on the first or last page to see other PT-MZ770 / PT-MW730 (serv.man3) service manuals if exist.