Common Center Adjustment - Sanyo PLV-Z800 Service Manual

Electrical Adjustments
6. Auto calibration adjustment [component] 480p
Input signal 480p (Y, Cb, Cr) colour bar
Input mode (Component1)
Input image Natural
1. Enter the service mode.
2. Select group/item no. "
0 1
changed from " " to "
will be done after about 0 sec.
. After this adjustment completed, "
screen.
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
Input signal 720p (Y, Cb, Cr) colour bar
Input mode (Component1)
Input image Natural
1. Enter the service mode.
2. Select group/item no. "
0 1
changed from " " to "
will be done after about 0 sec.
. After this adjustment completed, "
screen.
Note ;
Include the white 100%, black 0% red 100%, blue 100%
and green 100% in the color bar of the input signal.
260 - 0
", and the data value
" , then automatic adjustment
oK
" will appear on
260 - 0
", and the data value
" , then automatic adjustment
oK
" will appear on
8. Auto calibration adjustment [component] 1080i
Input signal 1080i (Y, Cb, Cr) colour bar
Input mode (Component1)
Input image Natural
1. Enter the service mode.
2. Select group/item no. "
0
changed from " " to "
will be done after about 0 sec.
. After this adjustment completed, "
screen.
Note ;
Include the white 100%, black 0% red 100%, blue 100%
and green 100% in the color bar of the input signal.

9. common center adjustment

Input mode Internal signal
Image mode Adjustment
Input signal 50% whole-white pattern
1. Enter the service mode.
102
2. Select group " ".
(Flicker adjustment mode ...See Note)
. 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 - 39 Only red
102 - 40 Only green color picture
102 - 41 Only blue color picture
Note:
The FRP signal (common electrode reverse signal) works
at 120Hz, so flicker is invisible for human eyes. The service
103 - 0
mode " " can change the FRP signal from 120Hz to
60Hz, and flicker can be seen.
Data value changed from "
Adjust it after the aging of ten minutes.
After this adjustment, data is changed from "
- 50 -
260 - 0
", and the data value
1
" , then automatic adjustment
oK
" will appear on
color picture
0 1
" to " "
1 0
" to " ".