- 50 -
Electrical Adjustments
Input mode   Internal signal
Image mode  Adjustment
Input signal     50% whole-white pattern 
1. Enter the service mode.
2.  Select group "
102". 
(Flicker adjustment mode ...See Note)
3. Project only one color component to the screen.
4. Change  data value to  obtain  the minimum flicker  for 
each color on the screen.
Item no.   Screen                          
102 - 12  Only red        color picture 
102 - 13  Only green   color picture 
102 -14  Only blue      color picture
Note:
The  FRP  signal (common  electrode  reverse signal)  works 
at 120Hz, so flicker is invisible for human eyes.  The service 
mode "101 - 91" can change the FRP signal from 120Hz to 
60Hz, and flicker can be seen.
Data value  changed from  “0” to “1” 
After this adjustment, data is changed  
from  “1” to “0”.
Adjust it after the aging of ten minutes. 
9. Common Center adjustment
Input signal   1080i (Y, Cb, Cr)  colour bar
Input mode  (Component1)
Input image  Natural
1. Enter the service mode.
2.  Select group/item  no.  "260 -  0",  and the data value  
changed  from  “0”  to “1”  ,  then  automatic adjustment 
will be done after about 30 sec. 
3.  After this  adjustment  completed, “
OK” will appear on 
screen. 
Conrm the color bar each color has changed into the 
black after adjustment.
Note ;
 Include the white 100%, black 0% red 100%, blue 100%  
and green 100%  in the color bar of the input signal. 
8. Auto Calibration adjustment [Component] 1080i
Input signal   480p (Y, Cb, Cr)  colour bar
Input mode  (Component1)
Input image  Natural
1. Enter the service mode.
2.  Select group/item  no.  "260 -  0",  and the data value  
changed  from  “0”  to “1”  ,  then  automatic adjustment 
will be done after about 30 sec. 
3.  After this  adjustment  completed, “
OK” will appear on 
screen. 
Conrm the color bar each color has changed into the 
black after adjustment.
Note ;
 Include the white 100%, black 0% red 100%, blue 100%  
and green 100%  in the color bar of the input signal. 
6. Auto Calibration adjustment [Component] 480p
Input signal   720p (Y, Cb, Cr)  colour bar
Input mode  (Component1)
Input image  Natural
1. Enter the service mode.
2.  Select group/item  no.  "260 -  0",  and the data value  
changed  from  “0”  to “1”  ,  then  automatic adjustment 
will be done after about 30 sec. 
3.  After this  adjustment  completed, “
OK” will appear on 
screen. 
Conrm the color bar each color has changed into the 
black after adjustment.
Note ;
 Include the white 100%, black 0% red 100%, blue 100%  
and green 100%  in the color bar of the input signal. 
7. Component (720p) input adjustment