4-9
CCU-TX7 (E)/V1
4-2-13. WF OUT R/B DC OFFSET Adjustment
Equipment
:
Waveform monitor
To be extended :
ES-20 board
Preparation :
• Select the BARS mode on the RCP-TX7.
Test point
:
WF OUT connector/CCU rear panel
Adjustment Procedure :
• Adjust
1
RV511 (R DC BAL),
1
RV514 (B DC BAL)/ES-
20 board so that the DC levels of "R" and "B" are same as
that of "G" even after the MONITOR SELECT button /
RCP-TX7 is selected "R", "G" and "B".
Specification
:
DC level
±
1 mV ("G")
4-2-14. Carrier Balance Adjustment
Equipment
:
Vectorscope (MAX GAIN)
To be extended :
ES-20 board
Preparation :
• Select the BARS mode on the RCP-TX7 or COU-TX7.
Test point
:
VBS 1 OUT connector/CCU rear panel
Adjustment Procedure :
• Adjust
1
RV805 (I (V) CAL) and
1
RV809 (Q(U) CAL)/
ES-20 board so that the luminance point of black level is
located in the center of the vectorscope.
Cy
mg
U
B
b
M
G
cy
V
75%
100%
R
R
g
Y
L
yl
G
B
Y
L
G
Cy
g
M
G
r
[For NTSC]
[For PAL]
