Canon Canovision8 E50E Service Manual page 65

5-8 Carrier balance adjustment
CHART
MODE
AWB PRESET
M. EQ.
Vectorscope
LADS.
VR2403 (B-Y. CB)
¥R2404 (R-Y CB)
SPEC.
LENS CLOSED
AWB PRESET
Oscilloscope
TP/TRIG.{CN2202 pin 21 (C. OH), 1P2204 (FH/2)
VR2204 (FH/2 COMP)
0+ 10 a
Notes:
Color bar (5600°K)
Vectorscope
PRO CBA VR2207 (CiH LEVEL)
PRO CBA VR2405 (SRUST ¢)
PRO CBA VC2401 (SC 90)
* Overlay each bright dot
Acceptable dot split:
Phase 5° or less
Gain 10% or less
Burst phase: 135 + 2°
1. Measure dot split accerding to
Fig. I-54.
2... Adjust R, Ye and G mainly,
3. Both of two specification value
(dot split/burst phase) must be
obtained at the same tine,
Oot split Measuring method
Phase dot split
BURST=40 m
Fig. 11-56
Grayscale
AWB PRESET
Vectorscope
VR2205_(R WB), VR2206 (B WB)
Maladjusted
gain
22 « 10008)
Fig, 11-54
Set bright dot at the center as
possible,