JVC TK-C720TPE, Руководство по обслуживанию

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2-12
Item Mode Adjustment procedure
Measuring
instrument &
Input signals
No.
Measuring point (
*
)
Adjustment parts (
-
)
Adjustment level (
+
)
2.10 ADJUSTMENT OF CHROMA SIGNAL
1 Color level
and hue
adjustment Oscilloscope
(H-rote, 10:1) or
W.F.M.
Color bar chart
*
MONITOR OUT
(75 ohm Termination)
-
LENS IRIS
2.11 WRITE DATA
1) Select the “NEXT” button to display “Write
data to the EEPROM” on the title bar.
2) Press the “NEXT” button, then message box
are appeared.”Are you sure to write EEPROM?”
3) Select the “YES” button to write all data just
adjusted to memory in camera.
1 Write data
1) Select the “NEXT” button to display “Color
level and Hue” on the title bar.
2) Adjust the lens iris to obtain the specified level
of white part at the measuring point.
1) Select the “NEXT” button to display “chroma
suppress at high light” on the title bar.
2) Turn the lens iris so that the wevefome of
gray scale is saturated as shown left figure.
3) Adjust the CSHLV with “
䊱
” and “
䊲
” but-
tons to minimize carrier leakage on saturated
signal.
2 Chroma
suppress
adjustment
Oscilloscope
(H-rate, 10:1) or
W.F.M
Gray scale chart
*
MONITOR OUT
(75 ohm Termination)
-
CSHLV
[CAT: FIELD, Byte: 4]
+
Minimum carrier
leakage.
U-ver.
E-ver.
0.57 Vp-p (80IRE)
0.56 Vp-p (80%)
+
-
RY GAIN
[CAT: FIELD, Byte: 8]
-
RYHUE
[CAT: FIELD, Byte: 10]
-
BYGAIN
[CAT: FIELD, Byte: 9]
-
BYHUE
[CAT:FIELD, Byte:11]
[NTSC] [PAL]
Red
Yellow
Yellow
Red
3) Adjust the RYGAIN, RYHUE, BYGAIN and
BYHUE with “
䊱
” and “
䊲
” buttons to obtain
the specified position at the measuring posi-
tion.
LENS OPEN