Color Shading Correction - Sanyo PLV-Z1 Service Manual

■ Adjustment
4. Signal Amplitude Adjustments
Equipment
Input Signal
Enter the Service mode.
Adjust the amplitude of part A to be below value for each
test point by the Volume + or - button.
5-1 Input mode
Item no. Test Point
10 TP-R1
11 TP-G1
12 TP-B1
A
5. Flicker Reduction
Input mode
Input Signal
Enter the Service mode.
Adjust to be minimum flicker for each color by the Volume
+ or - button.
Item no. Screen
13 Only red color picture
14 Only green color picture
15 Only blue color picture
6. Contrast Linearity Adjustments
Input Signal
Enter the Service mode.
If the black or white saturated picture can be seen, adjust
the value of below item to be reduced it by the Volume + or
- button.
Item no. Imput Mode
16 Computer
16 AV (NTSC)
16 Component (480i)
Oscilloscope
16 step gray scale signal
Computer
Adjustment value
10.0 ± 0.1 Vp-p
10.0 ± 0.1 Vp-p
10.0 ± 0.1 Vp-p
Computer
1dot computer signal
16 step gray scale signal
7. White Balance Adjustments
Input Signal
Enter the Service mode.
Adjust each value of below item to be good white balance
by the Volume + or - button.
Item no. Imput Mode
17 and 18 Computer
17 and 18 AV (NTSC)
17 and 18 Component (480i)
(17:Red, 18:Blue)
Note:
The white balance of each mode must be same.

(8. Color Shading Correction)

For the color shading correction, the proper computer and
" Color Shading Correction" software are needed.
The software can be ordered as follows.
COLOR SHADING CORRECTION
Service Parts No. 645 056 6288
-24-
16 step gray scale signal