3-10
CCU-700A
CCU-700AP
3-3-11. VBS SYNC Phase Adjustment
Rank
:
B
Equipment
:
Waveform monitor
To be extended
:
VA-156 board
Test point
:
VBS 1 OUT connector/CCU rear panel
Adjusting point
:
1
LV1601 (VBS SYNC PHASE)/
VA-156 board
Specification
:
[For NTSC] A
≈
B = 140
±
20 ns
[For PAL]
A
≈
B = 250
±
50 ns
(Be sure to disappear the overshoot and undershoot.)
3-3-12. I (V)/Q (U) Carrier Balance Adjustment
n
Make sure that the adjustment for vectorscope must be
completed.
Rank
:
A
Equipment
:
Vectorscope
To be extended
:
VA-156 board
Preparation
• Vectorscope mode
→
MAX GAIN mode
• BARS button/MSU-700
→
“ON”
Test point
:
VBS 1 OUT connector/CCU rear panel
Adjusting point
:
1
RV1362 (I/V BLACK BAL)/
VA-156 board
1
RV1363 (Q/U BLACK BAL)/
VA-156 board
Specification
:
Adjust so that the beam spot of black
level is located in center of the
vectorscope screen. (If the beam spot
of color bar white level is not located
exactly in center of the vectorscope
screen, adjust
1
RV2033 (R BAL)/
VA-156 board and
1
RV2034 (B
BAL)/VA-156 board alternately.)
Note:
After the adjustment, set as follows.
• GAIN switch/Vectorscope
→
75% CAL.
3-3. Video Signal System Adjustment
-
12
-
5
+5
+12
VA
TP26
E9
TP27
CV651 CV125
RV670
RV145
RV931
CV931
CV521
CV1
RV533
RV20
RV841
CV841
RV361
RV280 RV1011
CV1011
CV341
RV360
CV221
RV1603
CV1602
RV221
TP25
E6
CV1603
RV1604
RV125
S221
B
-
Y SEL
S126
ON/OFF
TEST
S125
R
-
Y
SEL Y SEL
S1
RV1
TP34
E10
TP1
RV341
RV10
RV11
RV13
TP4
RV342
RV270
TP7
RV135
TP5
RV12
TP2
E1
S2032
CB MODE
LV1011
RV271
RV272
RV137
RV136
RV2032
RV651
RV521
RV343
RV660
RV530
TP12
RV350
TP8
RV344
TP9
E2
RV351
RV352
RV353
RV531
RV532
TP31
TP32
TP14
TP13
TP30
RV2034
E8
RV2033
RV2035
RV2036
RV2031
RV2037
S1891
H BLK
RV1892
S2301
SKIN SIG
RV1782
RV1783
RV1891
E7
S1102
SEQ ON
S1101
SEQ
RV1781
RV1967
RV1966
CP1891
RV661
RV662
E3
RV1302
RV1301
S1361
RV1501
RV1503
RV1506
RV1502
RV1504
TP22
RV1505
CV1501
RV1361
TP23
E5
TP24
RV1601
TP21
LV1601
TP20
TP19
E4
S1362
S/U
TP16
LV1361
TP18
RV1965
RV1964
TP29
S1962
S1961
RV1961
RV1962
RV1963
S1892
S1501
(PAL)
RV761 RV1101
RV1102
RV1304
RV1602
RV1364
RV1363
RV1362
RV1303
REMOTE
LOCAL
SC
PHASE
H
PHASE
19H 20H 21H
FINE
STEP
COARSE
FINE
LEVEL
WFM1
GEN
LOCK
STAIR
STEP
OFF ON
V BLANKING (NTSC)
NOTCH (PAL)
POSITION
LEVEL
LEVEL
PHASE
O (NTSC)
U (PAL)
I
V
CHROMA
Y
BURST
VBS
BLACK
BALANCE
(PANEL SIDE) VA-156 BOARD (COMPONENT SIDE)
A
B
10%
90%