3-25 (E)
HDCU-900 MM
3-6. HD Signal Input/Output Adjustment (HKCU-902)
3-6-2. GBR Output Level Adjustment
Measure : HD waveform monitor
Preparation
.
The Y/P
B
/P
R
output level adjustment (section 3-6-1)
should be completed.
.
Board extension : ADA-59 board (rear side)
.
S1 (F-2)/ADA-59
→
8
.
BARS button/MSU
→
ON
Adjustment Procedure
1.
G mix level adjustment
Measuring point : Y/G OUTPUT1 connector/
ADA-59
Adjusting point :
1
RV102 (J-4)/ADA-59
1
RV103 (J-4)/ADA-59
Specifications :
Portion A and portion B must be
flat (within 5 mV).
2.
G signal level adjustment
Measuring point : Y/G OUTPUT1 connector/ADA-59
Adjusting point :
1
RV104 (K-4)/ADA-59
Specifications :
C = 700
±
5 mV
(terminated at 75
Z
)
3.
B mix level adjustment
Measuring point : P
B
/B OUTPUT1 connector/ADA-
59
Adjusting point :
1
RV202 (K-4)/ADA-59
Specifications :
Portion D and portion E must be
flat (within 5 mV).
4.
B signal level adjustment
Measuring point : P
B
/B OUTPUT1 connector/ADA-
59
Adjusting point :
1
RV203 (L-4)/ADA-59
Specifications :
F = 700
±
5 mV
F
Portion D
Portion E
C
Portion A
Portion B
