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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"
• 1RV1501(NOTCH FREQ)/VA-156P board
• 1RV1502(NOTCH WIDTH)/VA-156P board
• 1RV1503(NOTCH LEVEL)/VA-156P board
Test point:
VBS1 OUT connector/CCU rear panel
Adjustment Procedure
1. Adjust1RV1501(NOTCH FREQ) so that the
frequency, that is maximally attenuated,
is 4.43 MHz ± 300 kHz.
2. Adjust 1RV1502(NOTCH WIDTH) so that the
4.0 MHz Level is –2 dB.
3. Adjust 1RV1503(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.
CCU-700A
CCU-700AP
http://getMANUAL.com
→ Mechanical center
→ Mechanical center
TP26
→ Mechanical center
CP1891
VA
(PANEL SIDE)
E9
RV1604
CV651 CV125
B
CV931
TP27
CV1603
RV670
RV931
RV1603
RV145
CV1602
CV521
CV1
CV841
RV221
RV533
TP25
RV841
RV20
CV341
RV270
E6
CV1011
RV361
RV280 RV1011
RV360
LV1011
CV221
RV271
RV2037
RV2031
RV2032
S2032
TP13
CB MODE
TP30
RV2036
RV2035
RV660
TP31
H BLK
RV2034
TP14
S1891
TP32
E8
RV1892
S2301
RV2033
E7
SKIN SIG
RV1782
RV1783
RV1891
S1102
SEQ ON
S1101
RV1781
SEQ
RV1961
RV1962
RV1102
RV1965
TP29
RV1963
RV1967
S1962
S1892
RV1966
RV1964
S1961
RV761 RV1101
-
5
+12
-
12
+5
V BLANKING (NTSC)
WFM1
SC
H
PHASE
PHASE
LEVEL
REMOTE
STEP COARSE
GEN
LOCK
LOCAL
FINE
FINE
19H 20H 21H
VA-156 BOARD (COMPONENT SIDE)
3-3. Video Signal System Adjustment
S126
S125
S221
-
R
Y
S1
ON/OFF
-
SEL Y SEL
Y SEL
TEST
TP34
RV1
RV125
E10
TP1
RV136
RV341
RV135
RV12
RV10
TP7
TP5
TP2
RV11
RV13
RV272
RV137
E1
RV342
TP4
RV651
RV521
RV343
RV350
E2
RV530
TP8
RV344
TP9
RV351
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
TP23
TP20
TP19
LV1601
E5
LV1361
TP18
S1501
TP21
TP24
(PAL)
RV1304
RV1601
RV1602
RV1303
RV1363
RV1362
RV1364
BLACK
NOTCH (PAL)
BALANCE
STAIR
BURST
VBS
STEP
OFF ON
Y
POSITION
PHASE
CHROMA
LEVEL
I
O (NTSC)
LEVEL
V
U (PAL)
3-21
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