-57-
Equipment NIL
After replacing or repairing the LAMP IRIS, this re-
adjustment is needed.
1. Enter the service mode.
2. Select group/item no. "
105 - 14
", and press the
"POINT RIGHT" button, then automatic iris adjust-
ment will be done after about 30 sec. and the data
value will be changed from “
0
” to “
1
” automatically.
3. After this adjustment, change this data value from
“
1
” to “
0
” manually for normal operation.
v
Iris adjustment
Equipment Oscilloscope
Input signal
16-step gray scale signal
4-a
Input mode
Computer [RGB(Analog)]
Image mode
Dynamic
Input format
720p
computer signal
4-b
Input mode
Video
Image mode
Dynamic
Input format
NTSC
composite video signal
4-c
Input mode
Component_1
Image mode
Dynamic
Input format
480i
component signal
4-d
Input mode
Component_1
Image mode
Dynamic
Input format
480p
component signal
4-e
Input mode
Component_1
Image mode
Dynamic
Input format
720p
component signal
4-f
Input mode
Component_1
Image mode
Dynamic
Input format
1080i
component signal
1. Enter the service mode.
2. Change data values for each test points to adjust the
waveform “
a
” to be minimum amplitude
in each
mode
.
Item no.
Test Point
106 - 0
TP35G
106 - 1
TP35B
106 - 2
TP35R
(a)
White Level
b
Sub gain adjustment
*Before setting, you need to check which type of LCD
Panel is placed on the projector according to the item
"LCD Panel/Prism ass'y removal"in the chapter
"Optical Parts Disassembly"
1. Enter the service mode.
2. Panel Type Setting
Select group/item no. "
290 - 1
", and change data
value from “
10
” to “
0
” or “
20
” depending on your
LCD Panel type.When the data value reaches “
0
” or
“
20
”, it returns to “
10
” quickly. The gamma-charac-
teristicschanges according to your selection.
3. Panel Type Check
Select group/item no. "
290 - 0
". Check the data
vaiue as follows;
Data value:0
For L-Type of LCD Panel
Data value:20
For R-Type of LCD Panel
After exchanging Main unit, this readjustment is neces-
sary.
c
Panel Type Check and Setting
Electrical Adjustments
Содержание PLV-Z5
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