4-7
CCU-TX7 (E)/V1
4-2-9. R-Y/B-Y White Black Balance
Adjustment
Equipment
:
Oscilloscope
To be extended :
ES-20 board
Preparation :
.
Select the BARS mode on the RCP-TX7 or COU-TX7.
Adjustment Procedure :
1. Test point : TP505 (GND : E1)/ES-20 board
Specification : A = 0
±
5 mV
1
RV500
C = 0
±
5 mV
1
RV501
E = 525
±
5 mV p-p
1
RV502
2. Test point : TP506 (GND : E1)/ES-20 board
Specification : B = 0
±
5 mV
1
RV505
D = 0
±
5 mV
1
RV503
F = 525
±
5 mV p-p
1
RV504
3. Repeat procedure 1 and 2 several times.
4-2-10. G Level Adjustment
Equipment
:
Waveform monitor
To be extended :
ES-20 board
Preparation :
.
Select the BARS mode on the RCP-TX7 or COU-TX7.
.
S800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board
→
"R/G/B"
Adjustment Procedure :
1. Test point : G/Y/Y1 OUT connector/CCU rear panel
Adjusting point :
1
RV507 (G MAT BAL1)/ES-20 board
1
RV506 (G MAT BAL2)/ES-20 board
Specification
: A = B = 0 mV [For NTSC]
A = B = 0 mV [For PAL]
2. Adjusting point :
1
RV508 (G LEVEL)/ES-20 board
Specification
: C = 700
±
10 mV [For NTSC]
C = 700
±
10 mV [For PAL]
+
7
_
0
E
A
C
F
B
D
RV506
RV507
B A
[For NTSC]
C
C
[For PAL]
+
7
_
0
