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1-2-6. B - Y Level Ajustment
Screen display:
06 B - Y LEVEL
Test equipment: Vector scope
Test point:
VIDEO OUT
Adjusting point:
RL52/Driver PC board
1. Overlap the burst signal on B - Y axis with
the PHASE control of the vector scope.
2. Adjust the R luminance spot to set it within
the mark with the GAIN control of the vector
scope.
3. Adjust the color luminance spot of YL to set
it within each mark
4. Confirm each color luminance spot (YL, CY,
G, MG, R, B) to set it within each mark
1-2-7. Color Adjustment
Screen display:
07 CHR LEVEL
Test equipment: WFM (BPF mode)
Test point:
VIDEO OUT
Adjusting point:
DATA UP/DOWN
Specification:
95 ± 2 IRE
1. Adjust the R amplitude on the waveform
monitor to 95 ± 2 IRE with the DATA buttons.
by adjusting at RL52.
.
1-2-8. Burst Level Adjustment
Screen display:
Test equipment: WFM (BPF mode),
Test point:
Adjusting point:
1. Adjust the burst level to 75% position of the
vector scope with the DATA buttons.
Or, adjust the burst level of the waveform
monitor to 40 ± 1 IRE with the DATA buttons.
1-2-9. ABB1 Adjustment
Screen display:
1. Set the lens iris to close.
2. Push the DATA buttons.
3. The automatic black balance adjustment is
performed automatically and "ABB OK" is
displayed on the screen.
1-2-10. ABB2 Adjustment
Screen display:
1. Set the lens iris to close.
2. Push the DATA buttons.
3. The automatic black balance adjustment is
performed automatically, and "ABB OK" is
displayed on the screen.
1-2-11. Area Size Adjustment
Test equipment: WFM (1 µs mode)
Test point:
Adjusting point:
Specification:
1. Set SA01 on the DSP PC board to NORM
side.
2. Set the lens iris to close.
3. Push the DISP button twice to display the
INDEX screen.
4. Push the PAGE button to display the SHUT-
TER screen.
5. Set the MODE to AUTO with the DATA
buttons.
6. Set the "→" cursor to AREA position with the
MENU DOWN button and set to PRESET A
with the DATA buttons.
7. Set the "→" cursor to AREA DISP position
with the MENU DOWN button.
8. Set the screen to the AREA screen by
pushing the DATA buttons.
9. Adjust the portion A to obtain 4.5 µs ± 400
ns by adjusting CA50.
2-6
08 BURST LEVEL
Vector scope
VIDEO OUT
DATA UP/DOWN
09 ABB1
11 ABB2
VIDEO OUT
CA50/DSP PC board
4.5 µs ± 400 ns
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