JVC TK-C720TPE, Руководство по обслуживанию

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2-9
2.9 ADJUSTMENT OF WHITE BALANCE
1 White
balance
adjustment(1)
*
MONITOR OUT
(75 ohm Termination)
-
LENS IRIS
1) Click the “NEXT” button.
2) Adjust the lens iris to obtain the specified level
of white chip at the measuring point.
3) Click either “
䊱
” or “
䊲
” button of the
“AWBPRER”, then “AWBCNT” and “INTGR”
data are appeared in the “Show Controls”
box.
4) Using the keyboard input the same value as
for the “AWBCNT” last 2 digits into the
AWBPRER box, press the “ENTER” button.
5) Using the keyboard input the same value as
for the “AWBCNT” last 2 digits into the WBR
box, press the “ENTER” button.
6) Using the keyboard input the same value as
for the “INTGR” last 2 digits into the
AWBPREB box, press the “ENTER” button.
7) Using the keyboard input the same value as
for the “INTGR” last 2 digits into the WBB
box, press the “ENTER” button.
1) Click the “NEXT” button.
2) Adjust the lens iris to obtain the specified level
of white chip at the measuring point.
3) Click the “
䊱
” or “
䊲
” button of the PRE2R,
then AWB CNT and INTGR data are appeared
in the Show Controls box.
4) Using the keyboard input the same value as
for the “AWBCNT” last 2 digits into the
PRE2R box, press the “ENTER” button.
5) Using the keyboard input the same value as
for the “INTGR” last 2 digits into the PRE2B
box, press the “ENTER” button.
2 White
balance
adjustment
(80B+80B)
*
MONITOR OUT
(75 ohm Termination)
-
LENS IRIS
U-ver.
E-ver.
0.714 Vp-p (100IRE)
0.7 Vp-p (100%)
+
Gray scale chart
Oscilloscope
(H-rate, 10:1) or
W.F.M
Gray scale chart
filter
(No. 80B+80B)
Oscilloscope
(H-rate, 10:1) or
W.F.M.
Note:
When the AWBCNT and INTGR data are displayed in the show controls box by pressing the
䊲
or
䊱
button, data contain-
ing “B7” will be displayed in a case where there is a communication error. In this case, press the
䊲
or
䊱
button again and
input data values that do not contain “B7”.
Item Mode Adjustment procedure
Measuring
instrument &
Input signals
No.
Measuring point (
*
)
Adjustment parts (
-
)
Adjustment level (
+
)
Gray scale ch
U-ver.
E-ver.
0.714 Vp-p (100IRE)
0.7 Vp-p (100%)
+
Auto-white balance (1)
Oscilloscope or Waveform monitor
AWBPRER WBR AWBPREB WBB
&H29 &H51 &H51 &H29
MCRDIP = 1
MCRAE = 1
AWBCNT = &H8229
INTGR = &H4B6151