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3-3-17. MONO R-Y/B-Y Balance Adjustment
Rank:
B
Equipment:
Vectorscope
To be extended:
VA-156 board
Preparation
1. BARS button/MSU-700 → "ON"
S126 (TEST ON/OFF)/VA-156 board → "ON"
2. SATURATION button/MSU-700 → "ON"
3. Set the SATURATION CONTROL adjustment value
that is displayed on the display block to "–99" with the
MSU-700 menu operation.
4. Vectorscope mode→ MAX GAIN mode
Test point:
VBS 1 OUT connector/CCU rear panel
Adjustment Procedure
• Observe the vectorscope screen and adjust 1RV521
(MONO R-Y BAL) and 1RV651 (MONO B-Y BAL)/
VA-156 board alternately so that the dot is focused at the
center on the vectorscope screen.
Note: After the adjustment, set as follows.
• Set the SATURATION CONTROL adjustment value
that is displayed on the display black to "0" with the
MSU-700 menu operation.
• GAIN switch/Vectorscope→ 75% CAL
CCU-700A
CCU-700AP
3-3-18. Y BLACK Adjustment
Rank:
A
Equipment:
Waveform monitor
To be extended:
VA-156 board
Preparation
• Set the MASTER BLACK adjustment value that is
displayed on the display block to "–99" with the MAS-
TER BLACK control/MSU-700.
Test point:
VBS 1 OUT connector/CCU rear panel
Adjusting point:
1RV1 (Y BLK)/VA-156 board
[For NTSC] A = 0 ±1 IRE
Specification:
[For PAL]
TP26
E9
RV1604
CV651 CV125
CV931
TP27
RV670
RV931
RV145
CV521
CV1
CV841
RV221
RV533
RV841
RV20
CV341
E6
CV1011
RV361
RV280 RV1011
RV360
LV1011
CV221
RV2037
RV2031
RV2032
S2032
CB MODE
TP30
RV2036
RV2035
TP31
H BLK
RV2034
S1891
TP32
E8
RV1892
S2301
RV2033
E7
SKIN SIG
RV1782
RV1783
RV1891
S1102
SEQ ON
S1101
RV1781
SEQ
CP1891
RV1961
RV1962
RV1965
TP29
RV1963
RV1967
S1962
S1892
RV1966
RV1964
S1961
RV761 RV1101
-
5
+12
-
12
+5
V BLANKING (NTSC)
VA
SC
H
PHASE
PHASE
REMOTE
STEP COARSE
LOCAL
FINE
FINE
19H 20H 21H
(PANEL SIDE)
VA-156 BOARD (COMPONENT SIDE)
3-3. Video Signal System Adjustment
A = 0 ±7 mV
A
S126
S125
S221
-
R
Y
S1
ON/OFF
-
SEL Y SEL
B
Y SEL
TEST
CV1603
RV1603
TP34
RV1
CV1602
RV125
TP1
TP25
RV136
RV341
RV270
RV135
RV12
RV10
TP7
TP5
TP2
RV11
RV13
RV272
RV137
E1
RV342
TP4
RV271
RV651
RV521
RV343
TP13
RV350
E2
RV530
TP8
RV660
RV344
TP9
RV351
TP14
RV531
TP12
RV352
RV532
RV353
RV1506
RV662
RV1501
RV661
RV1503
RV1302
RV1502
E3
S1361
RV1301
RV1504
TP22
RV1505
S1362
RV1361
CV1501
S/U
TP16
E4
TP20
TP19
LV1601
RV1102
LV1361
TP18
S1501
TP21
(PAL)
RV1304
RV1601
RV1602
RV1303
RV1363
RV1362
RV1364
BLACK
NOTCH (PAL)
BALANCE
WFM1
STAIR
BURST
VBS
STEP
LEVEL
OFF ON
Y
GEN
POSITION
PHASE
CHROMA
LOCK
LEVEL
I
O (NTSC)
LEVEL
V
U (PAL)
E10
TP23
E5
TP24
3-13
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