2-1
VPD-MX10
Section 2
Electrical Adjustments
2-2. Adjust Signal Level
2-2-1. Component Level Adjustments
1.
Input the Component signal to the INPUT-A. Then, from
INPUT-A of the SET SETTING, select the COMPO-
NENT (15K Component color bar chroma ON).
2.
Set the COLOR to 45.
3.
Connect the Oscilloscope to the TP300 (B OUT) of the
BA board .
4.
Enter the item OTHER of Device Adjust of the menu.
5.
Set 06 3D GAMMA/ THROUGH : 0 to 06 3D GAM-
MA/ THROUGH : 1.
6.
Set 07 3D GAMMA/ SW : 1 to 07 3D GAMMA/ SW : 0.
7.
Advance the item RGB-MTRX of Device Adjust of
the menu.
8.
Select the item 08 YUV COL. Use the key
←
or
→
, or
both, to adjust level of two color bars, the left and right
end so that they will come to the same level.
2-1. Preparations
2-1-1. Equipment Requitred
.
Oscilloscope
Tektronix 2465 or equivalent
(bandwidth: 350 MHz or more)
.
NTSC, PAL, SECAM component signal generator
Tektronix TG2000
+
AVG1 (optionalmodule)
+AWVG1 (optionalmodule) or equivalent
.
VG (Programmable video signal generator)
VG814 or equivalent
.
Digital voltmeter
Advantest TR6845 or equivalent
.
Luminance meter
.
Chrominance difference gauge
Note:
Perform the following adjustments at least 5
minutes after turning on the power.
2-1-2. Setting the Factory Mode
1.
Check that the STATUS is ON in MENU.
2.
Exit MENU.
3.
Press the keys in the following order;
“ENTER”
→
“ENTER”
→
“LEFT”
→
“ENTER”.
4.
The message “Do you wish to enter into the FACTO-
RY MODE?” will be displayed.
5.
Select YES.
9.
Select 09 SUB HUE, then adjust the level of centrally
adjoining two color bars in the midst of all bars, using
the key
←
or
→
, or both so that they can be made flat.
10. Press ENTER key and select “ SAVE TO MEMORY
“. For saving the data, press the ENTER again.
Fig. 2-2-1
2-2-2. Adjust VIDEO NTSC Level
1.
Input the NTSC 100% Color bar signal to the VIDEO
INPUT.
2.
Connect the Oscilloscope to the TP300 of the BA
board.
3.
Set the COLOR to 45.
4.
Enter the item RGB MATRX of Device Adjust of the
menu.
5.
Select the item 08 YUV COL. Use the key
←
or
→
, or
both, to adjust the level of two color bars, the left and
right end so that they will come to the same level.
6.
Select the item 09 SUB HUE, then adjust the level of
centrally adjoining two color bars in the midst of all
bars, using the key
←
or
→
, or both so that they can be
made flat.
7.
Press the ENTER key and select “ SAVE TO MEMO-
RY “. For saving the data, press the ENTER key again.
8.
Perform alike for PAL (PAL 100% Color bar signal)
system in the same manner.
Fig. 2-2-2
(15K Component color bar/Chroma ON)
NTSC 100% Color bar
PAL 100% Color bar
Adjust GND to bottom ege
in the DC 0.5 V range.
