JVC TK-C400E Service Manual page 19

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