Y Output Level Adjustment; Chroma Cable Compensation System Adjustment; 45 Mhz Carrier Level Adjustment - Sony CCU-590 Maintenance Manual

4-4-11. Y Output Level Adjustment

Adjustment category: A
Measuring instrument: Oscilloscope
Extended board: DM-140 board
Preparation:
. S101 (Y 2nd AGC)/DM-140 board → "ON"
Measurement point: TP701 (GND: E1)/DM-140
board
1RV702 (Y LEVEL)/DM-140
Adjustment point:
board
A = 1400 ± 14 mV p-p
Specification:
H
TP601
RV601
G
RV701
TP101
E101
F
TP603 TP602
S101
RV161
RV602
RV603
TP102
E
TP1
D
S1
C
B
A
RV902
RV702 RV802
1 2
DM-140 BOARD (SIDE A)
4-14
A
CN902
RV803
RV903
TP902
RV901
RV801
S301 TP301
E301
TP803 TP802
RV301
RV804
RV805
TP302
TP501
LV501
TP502
RV502
RV501
RV503
TP503
TP505
RV504
TP504
TP901
TP701 TP801
4
E1
3
4-5. CHROMA Cable Compensation
System Adjustment

4-5-1. 45 MHz Carrier Level Adjustment

Adjustment category:
B
Measuring instrument: Oscilloscope (20 MHz BW
LIMIT: OFF)
Extended board:
DM-140 board
Measurement point: TP803 (GND: E301)/DM-140
board
Adjustment point: 1RV805 (C CAR LEV)/DM-
140 board
A = 400 ± 10 mV p-p
Specification:
A
CCU-590/P/V1(E)