Sanyo PLC-SW20A, Руководство по обслуживанию

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Adjustment
5. Gain (Signal Amplitude) adjustments
Equipment Oscilloscope
Input Signal 16 step gray scale signal
Enter the Service mode.
Adjust the amplitude of part A to be below value for each
test point by the or - button.
5-1 Input mode Computer
Item no. Test Point Adjustment value
13 TP-R1 4.1 ± 0.1 Vp-p
14 TP-G1 4.1 ± 0.1 Vp-p
15 TP-B1 4.1 ± 0.1 Vp-p
5-2 Input mode AV (NTSC)
13 TP-R1 4.1 ± 0.1 Vp-p
14 TP-G1 4.1 ± 0.1 Vp-p
15 TP-B1 4.1 ± 0.1 Vp-p
A
7. Flicker Reduction
Input mode Computer
Input Signal 1dot computer signal
Enter the Service mode.
Adjust to be minimum flicker for each color by the Volume
+ or - button.
Item no. Screen
19 Only red color picture
20 Only green color picture
21 Only blue color picture
8. White Balance Adjustments
Input Signal 16 step gray scale signal
Enter the Service mode.
Adjust each value of below item to be good white balance
by the or - button.
Item no. Imput Mode
17 and 18 Computer
17 and 18 AV (NTSC)
(17:Red, 18:Blue)
Note:
The white balance of Computer and AV pictures must be
same.
6. 50% Luminance (Contrast Linearity)
Adjustments
Input Signal 16 step gray scale 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 or
- button.
Item no. Imput Mode
11 Computer
11 AV (NTSC)
(9. 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.
Note:
The software for the previous model “PLC-XW20” or “PLC-
SW20” can not be used.
COLOR SHADING CORRECTION
Service Parts No. 645 056 6288