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CCU-590/P/V1(E)
4-17
4-5-6. B-Y OUT Level Adjustment
Adjustment category:
A
Measuring instrument:
Oscilloscope
Extended board:
DM-140 board
Preparation:
.
S301 (C 2nd AGC)/DM-140 board
→
“ON”
Measurement point:
TP801 (GND: E1)/DM-140
board
Adjustment point:
1
RV802 (B-Y LEVEL)/DM-
140 board
Specification:
A = 700
±
10 mV p-p
4-5-7. R-Y DEMOD Carrier Balance
Adjustment
Adjustment category:
B
Measuring instrument:
Oscilloscope
Extended board:
DM-140 board
Measurement point:
TP902 (GND: E301)/DM-140
board
Adjustment point:
1
RV901 (R-Y CAR BAL)/
DM-140 board
Specification:
Maximize the absolute value of
negative DC voltage.
A
CN902
E1
E101
E301
LV501
RV161
RV301
RV501
RV502
RV503
RV504
RV601
RV602
RV603
RV701
RV702
RV801
RV802
RV803
RV804
RV805
RV901
RV902
RV903
S1
S101
S301
TP1
TP101
TP102
TP301
TP302
TP501
TP502
TP503
TP504
TP505
TP601
TP602
TP603
TP701 TP801
TP802
TP803
TP901
TP902
A
B
C
D
E
F
G
H
1
2
3
4
DM-140 BOARD (SIDE A)
GND
(Negative voltage)
_
Maximum