Read Panasonic PT-DZ16KU / PT-DZ16KE / PT-DS16KD (serv.man3) Other Service Manuals online
SECTION 3 ADJUSTMENTS
<PT-DZ16K>
1. 7. Contrast adjustment
1. 7. 1. Equipment to be used
1. Illuminance meter: Use it for the measurement of the screen illumination. (Equivalent to Konica Minolta T-10 )
2. Adjust it in a darkroom.
1. 7. 2. Contrast adjustment procedure
1. Please go the aging about 30 minutes after the power is turned on. (Adjust focus finely after aging)
2. Setting to service mode.
3. Confirm whether the setting of each item is as follows then. When it is different, please match setting.
DYNAMIC
DEFAULT
OFF
QUAD
BRIGHTNESS CONTROL GAIN = 100%
BRIGHTNESS CONTROL SETUP [MODE] = OFF
4. Set the sub menu "DYNAMIC IRIS" of the main menu "PICTURE" to "OFF".
5. Projecting the "All white" of the internal test pattern, measure average illuminance with a illuminance meter.
< Calculation of average illuminance >
1)To measure the illuminance of "① ~ ⑨".
* "① ~ ⑨" is a center of 9 split screen.
2)Derive the average illuminance from the following
calculation formula.
(total illuminance ① ~ ⑨) / 9 × (SH × SW)
DISPLAY OPTION
PROJECTOR
SETUP
SETUP
PICTURE
BRIGHTNESS CONTROL
Sub menu
Main menu
LAMP SELECT
Setting
PICTURE MODE
COLOR TEMPERTURE
COLOR MATCHING
①
④
⑤
⑥
③
②
SH
ADJ - 8
* "SH × SW" is the screen area (㎡)
Remarks: Screen size must be measured precisely.
6. Set the sub menu "DYNAMIC IRIS" of the main menu "PICTURE" to " 3 ".
7. Projecting the "All black" of the internal test pattern, measure average illuminance with a illuminance meter.
* With on-screen menu as off, please measure it in a state of all complete black.
8. 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 value : All white iaverage illuminance (lx) / All black average illuminance (lx) = 10,000
・ Adjusted acceptable value : 9000 - 11000
・ High contrast : Decrement the value of MAX IRIS LEVEL
・ Low contrast : Increase the value of MAX IRIS LEVEL
(total illuminance ① ⑨) / 9 × (SH × SW)
④
⑧
⑤
⑨
⑥
⑦
SW
SH
ADJ - 8
Click on the first or last page to see other PT-DZ16KU / PT-DZ16KE / PT-DS16KD (serv.man3) service manuals if exist.