3-21
CCU-700A
CCU-700AP
3-3-32. NOTCH Adjustment PAL model only
Rank
:
C
Note
:
This adjustment is described for only
PAL model.
Equipment
:
Waveform monitor,
Video signal generator (SWEEP signal)
To be extended
:
VA-156P board
Preparation
• S1 (Y SEL)/VA-156P board
→
“AUX”
• Connect the connector of CCU-370 Checker to CN3
connector on VA-156P board.
• Input SWEEP signal of Video signal generator to
CCU-370 Checker so that the video waveform is ap-
peared at TP1/VA-156P board.
• S1501(NOTCH)/VA-156P board
→
“ON”
•
1
RV1501(NOTCH FREQ)/VA-156P board
→
Mechanical center
•
1
RV1502(NOTCH WIDTH)/VA-156P board
→
Mechanical center
•
1
RV1503(NOTCH LEVEL)/VA-156P board
→
Mechanical center
Test point
:
VBS1 OUT connector/CCU rear panel
Adjustment Procedure
1.
Adjust
1
RV1501(NOTCH FREQ) so that the
frequency, that is maximally attenuated,
is 4.43 MHz
±
300 kHz.
2.
Adjust
1
RV1502(NOTCH WIDTH) so that the
4.0 MHz Level is –2 dB.
3.
Adjust
1
RV1503(NOTCH LEVEL) so that the
4.43 MHz Level is –7 dB.
Note
:
After adjustment, set as follows.
• S1 (Y SEL)/VA-156P board
→
“CAM”
• Remove the CCU-370 Checker from CN3 connector on
VA-156P board.
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)