Chroma Adjustment - Sony Digital Betacam DVW-707 Maintenance Manual

7-4. ENC OUT Adjustment

7-4-2. Chroma Adjustment

Preparation
OUTPUT/DCC switch (inside panel)
Adjustment Procedure
Equipment : Waveform/Vector monitor
Test point : VIDEO OUT connector
1. Select the 16:9 mode.
PAGE : S14*WIDE SCREEN
ITEM : 16:9/4:3 MODE
2. Setting of vector monitor.
GAIN : MAX
3. On the setup menu, adjust as follows.
PAGE : S40*ENC ADJ.
ITEM : R-Y CARRIER BAL.
B-Y CARRIER BAL.
Spec. : Adjust the illuminated spot at the center
of the vector monitor.
M
G
R
Y
L
100 %
75 %
B
G
C
Y
(For NTSC)
4. Setting of vector monitor.
: x1
GAIN
5. On the setup menu, adjust as follows.(For only PAL)
PAGE : S22*LEVEL 5
ITEM : BURST PHASE
BURST LEVEL
Spec. : Position the burst signal on the defined
axes and levels.
R
Y
L
G
7-8
16:9 and 4:3 modes
BARS
16:9
R
M
G
75 %
Y
L
B
G
C
Y
(For PAL)
M
G
B
C
Y
6. On the setup menu, adjust as follows.
(PAL : Check only)
PAGE : S22*LEVEL 5
ITEM : BURST LEVEL
: A = 40 ±1 IRE (NTSC)
Spec.
A = 300 ±7 mV (PAL)
50%
7. On the setup menu, adjust as follows.
PAGE : S40*ENC ADJ.
ITEM : BURST START
: B = 5.3 ± 0.1 us (NTSC)
Spec.
B = 5.6 ± 0.1 us (PAL)
8. On the setup menu, adjust as follows.
PAGE : S40*ENC ADJ.
ITEM : BURST STOP
Spec. : C = 9 cycles (NTSC)
C = 2.25 ± 0.2 us (PAL)
9. Position the burst spot on the defined axis.
10. Adjust as follows using the setup menu and 1FL12.
PAGE : S22*LEVEL 5
ITEM : R-Y LEVEL
B-Y LEVEL
: 1FL12 (ES-23/23P board)
Adj. point
Spec. : Place the illuminated spots inside the
corresponding frames (DP: ±2.5
degree, DG: ±2.5%) on the vector
monitor.
11. Select the 4:3 mode.
PAGE : S14*WIDE SCREEN
ITEM : 16:9/4:3 MODE
12. On the setup menu, adjust as follows.
PAGE : S22*LEVEL 5
ITEM : R-Y LEVEL <4:3>
B-Y LEVEL <4:3>
Spec. : Place the illuminated spots inside the
corresponding frames (DP : ±2.5
degree, DG : ±2.5%) on the vector
monitor.
A
B C
4:3
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1