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GX-N5E
No.
Item
|
Measuring
instrument
al
Y SET UP
Y~-yOFF SET
GAIN
Adjustment
Oscilloscope
|viDEo OUT
H-rate
1:1
10:1
Gray scale
pattern
R266 (Yy OFF SET)
R489 (Y SET UP)
R222 (Y GAIN)
TP-1
© Turn W. CLIP and Y. KNEE off.
°
Close the iris manually.
—
H-rate
Fig. 3-4 (a)
2. Adjust R489 (Y SET UP) to raise the SET UP
level to just above the pedestal level.
SET UP =—
H-rate
Fig. 3-4 (b)
3. Adjust R266 (Yy OFF SET) to obtain a SET
UP level of 35mV.
35mV
H-rate
Fig. 3-4 (c)
4. Shoot the gray scale pattern and adjust the
iris to obtain 0.5V og-wp at TP-1.
5. Adjust R222 (GAIN) so that the waveform
at VIDEO OUT becomes 0.7 V pp-wp.
Fig. 3-4 (d)
(Note) The crossing point lies at approx. 57%.
20E
(No. 5391B)
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