JVC TK-C400E, Руководство по обслуживанию

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2-11
Item Mode Adjustment procedure
Measuring
instrument &
Input signals
No.
Measuring point (
*
)
Adjustment parts (
-
)
Adjustment level (
+
)
5 White
balance
adjustment (5) White balance
chart
filter
(No.80B+80B)
Oscilloscope
(H-rate, 10:1) or
W.F.M.
*
VIDEO OUT
(75 ohm Termination)
-
LENS IRIS
1) Select the “NEXT” button to display “White
balance (5)” on the title bar.
2) Adjust the lens iris to obtain the specified level
of center of carrier at the measuring point.
3) Press the “
䊱
” or “
䊲
” button of the PRERBL,
then AWBCNT and INTGR data are appeared
in the “Show Controls” box.
4) Press the “
䊱
” or “
䊲
” button of the PRERBL
to be same data of AWBCNT’s data. (last 2
digit)
5) Press the “
䊱
” or “
䊲
” button of the PRERBM
to be same data of AWBCNT’s data. (Middle
2 digit)
6) Press the “
䊱
” or “
䊲
” button of the
PRERBGL to be same data of INTGR’s data
(last 2 digit)
7) Press the “
䊱
” or “
䊲
” button of the
PRERBGM to same data of INTGR’s data. (3rd
and 4th digit from right)
U-ver.
E-ver.
0.357 Vp-p (50IRE)
0.35 Vp-p (50%)
+
Center of carrier
Auto-white balance (5)
Oscilloscope or Waveform monitor
PRERBL PRERBM PRERBGL PRERBGM
&H71 &HA7 &H0A &HE5
AWBCO = 2
AWBCNT = &HE571
INTGR = &H220AA7