Panasonic PT-DZ13KU, Service Manual, Page: 74 / 121

ADJ - 8
1. 7. Contrast adjustment
1. 7. 1. Equipment to be used
1. Luminance meter : Konica Minolta T-10 or CL-200
2. Projection lens : ET-D75LE20
3. Adjust it in a darkroom.
1. 7. 2. Set up the projector
1. Setting to service mode.
2. Set up the menu and lens as follows.
DYNAMIC
DEFAULT
OFF
DUAL
HIGH (DZ10K : NORMAL)
BRIGHTNESS CONTROL GAIN = 100
％
BRIGHTNESS CONTROL MODE = OFF
3. Install as follows the projection size.
1. 7. 3. Contrast adjustment procedure
1. Set the submenu "DYNAMIC IRIS" of the main menu "PICTURE", to "OFF".
2. All white of an internal test pattern are projected, and the illuminance of nine points is measured.
3. Derive the "All white average illuminance" from the following calculation formula.
4. Set the submenu "DYNAMIC IRIS" of the main menu "PICTURE", to " 3 ".
5. All black of an internal test pattern are projected, and the illuminance of nine points is measured.
* With on-screen menu as off, please measure it in a state of all complete black.
6. Derive the "All black average illuminance" from the following calculation formula.
7. Adjustment (-15 or more +15) of sub menu "MAX IRIS LEVEL" of main menu "EXTRA OPTION", so that the value that
divided "All white average illuminance" that measured by "All black average illuminance" becomes the following value.
* Adjusted acceptable value : ±10 %
- Make contrast high : Please decrease the value of MAX IRIS LEVEL.
- Make contrast low : Please increase the value of MAX IRIS LEVEL.
Model Screen size Aspect ratio SH (mm) SH (mm)
LAMP POWER
DISPLAY OPTION
PROJECTOR
SETUP
Sub menu
BRIGHTNESS CONTROL
COLOR TEMPERATURE
LAMP SELECT
Shift
Zoom
Main menu
COLOR MATCHING
Setting
Center
Wide end
Lens setting
Item Setting
L (mm)
40 Inch
40 Inch
40 Inch
862 538 1412
886 498 1617
813 610 1443
・
All white average illuminance (lx) = (
～
total illuminance) / 9
・
All black average illuminance (lx) = (
～
total illuminance) / 9
・
Adjusted value : All white average illuminance lx / All black average illuminance lx = 10 000
PICTURE
PICTURE MODE
Menu setting
10
9
3
DZ13K/DZ10K
DW11K
DS12K
16
16
4
<Screen>
SH mm
SH mm