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3-1. PREPARATIONS
3-1-1. 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" n "ENTER" n "LEFT" n "ENTER".
4. The message "Do you wish to enter into the FACTORY
MODE?" will be displayed.
5. Select YES.
3-1-2. Equipment Used
1. Oscilloscope
2. Luminance meter
3. Color analyzer
3-2. VCOM ADJUSTMENT
1. Input the green-only 1H inverted signal to INPUT-A.
2. Set CONTRAST:50, BRIGHT:50.
3. Set the screen for adjusting P. DRV/RGB AMP/UF a P.
DRV/G VCOM of "Device Adjust" .
Adjust G VCOM so that flicker is minimum.
4. Input the red-only and blue-only 1H inverted signal, and
adjust R VCOM and B VCOM respectively so that flicker
becomes minimum.
5. Memorize the adjustment value.
3-3. SIGNAL LEVEL ADJUSTMENT
Set as follows;
GAMMA MODE:GRAPHICS, W/B:LOW mode
INPUT-A:XGA10 steps, VIDEO:100% COLOR BAR
CONTRAST:80, BRIGHT:50 (initial value).
SECTION 3
SET-UP ADJUSTMENTS
3-3-1. RGB Level Adjustment
1. Adjust W/B LOW, R, G, B GAIN and W/B LOW R, G,
B BIAS so that the levels of TP5607, TP5608 and TP5609
satisfy the specifications.
2. Memorize the adjustment values.
100 IRE
3-3-2. VIDEO Level Adjustment
1. Switch the input to INPUT-A, input 15k Component
100% COLOR BAR, and set COLOR to MIN.
For 15k Component, as using the following inputs;
2. Adjust W/B LOW, R, G, B GAIN and W/B LOW R, G,
B BIAS so that the levels of TP5607, TP5608 and TP5609
satisfy the specifications.
3. Memorize the adjustment values.
4. Return COLOR to 50 (initial value).
5. Switch the input to VIDEO, input NTSC 100% COLOR
BAR, and set COLOR to MIN. And then adjust and
memorize the value.
6. Input the NTSC 100% COLOR BAR to VIDEO.
Adjust RGB MTRX CONTRAST/BRIGHT so that the
level of TP5609 satisfies the specification.
Memorize the adjustment value.
7. Input the PAL 100% COLOR BAR to VIDEO.
Adjust RGB MTRX CONTRAST/BRIGHT so that the
level of TP5609 satisfies the specification.
Memorize the adjustment value.
8. Return COLOR to 50 (initial value).
Note)
Adjust the 0 IRE of the signal.
Do not change RGB MTRX VIDEO CON, YUV CON.
RGB LEVEL SPEC
Set TP5607, TP5608, and TP5609 as follows;
0IRE 2.00 ± 0.02 Vdc
100 IRE 3.00 ± 0.02 Vdc
3V
0 IRE
Y=0.7V ped to 100 IRE
R-Y/B-Y=0.7 Vpp
COMPONENT, VIDEO LEVEL SPEC
Set TP5607, TP5608, and TP5609 as follows;
0IRE 2.00 ± 0.02 Vdc
100 IRE 3.00 ± 0.02 Vdc
2V
BLANKING
3-1
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