3-6
CCU-700A
CCU-700AP
3-3-4. BF PULSE Adjustment
Rank
:
B
Equipment
:
Waveform monitor
To be extended
:
VA-156 board
Test point
:
VBS 1 OUT connector/CCU rear panel
Adjustment Procedure
1.
Adjusting point:
1
RV1301 (BF START)/
VA-156 board
Specification:
[For NTSC] A = 5.3
±
0.1
µ
s
[For PAL]
A = 5.6
±
0.1
µ
s
2.
Adjusting point:
1
RV1302 (BF STOP)/
VA-156 board
Specification:
[For NTSC] B = 9 cycles
[For PAL]
B = 2.25
±
0.2
µ
s
3-3-3. SYNC Phase Adjustment
Rank
:
B
Equipment
:
Waveform monitor
To be extended
:
VA-156 board
Preparation
:
• MASTER PEDESTAL volume/MSU-700
→
“ 99 ”
Test point
:
VBS 1 OUT connector/CCU rear panel
Adjusting point
:
1
RV1782 (SYNC PHASE)/
VA-156 board
1
RV1783 (SYNC WIDTH)/
VA-156 board
Specification
:
[For NTSC]
T1 = 1.5
±
0.1
µ
s (
1
RV1782)
T2 = 4.7
±
0.1
µ
s (
1
RV1783)
[For PAL]
T1 = 1.65
±
0.1
µ
s (
1
RV1782)
T2 = 4.7
±
0.1
µ
s (
1
RV1783)
Note
:
After the adjustment, reset the
MASTER PEDESTAL volume to
the former position.
3-3. Video Signal System Adjustment
T2
4%
50%
T1
A
50%
B
