Sony CCU-TX7, Service Manual

Page: 52 / 80

4-6 CCU-TX7 (E)/V1
4-2-8. Y OUT (VBS) Level Adjustment
Equipment :
Waveform monitor
To be extended :
ES-20 board
Preparation :
.
Select the BARS mode on the RCP-TX7 or COU-TX7.
. S800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board
→
"Y/C"
Test point :
G/Y/Y 1 OUT connector/CCU rear panel
Adjustment Procedure :
ES-20 board [For NTSC]
Adjusting point Specifications
Y Level Adjustment 1 RV804 A = 100
±
2 IRE
SYNC Level Adjustment 1 RV803 B = 40
±
1 IRE
ES-20 board [For PAL]
Adjusting point Specifications
Y Level Adjustment 1 RV804 A = 700
±
10 mV
SYNC Level Adjustment 1 RV803 B = 300
±
5 mV
B
A
B
A
C
[For NTSC]
[For PAL]
B
A
B
A
[For NTSC]
[For PAL]
4-2-7. Y OUT (COMP) Level Adjustment
Equipment :
Waveform monitor
To be extended :
ES-20 board
Preparation :
.
Select the BARS mode on the RCP-TX7 or COU-TX7.
. S800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board
→
"Y/R-Y/B-Y" (Center position)
Test point :
G/Y/Y 1 OUT connector /CCU rear panel
Adjustment Procedure :
ES-20 board [For NTSC]
Adjusting point Specifications
Y Level Adjustment 1 RV802 A = 100
±
2 IRE
SYNC Level Adjustment 1 RV801 B = 40
±
1 IRE
SET-UP Level Adjustment 1 RV800 C = 7.5
±
1 IRE
ES-20 board [For PAL]
Adjusting point Specifications
Y Level Adjustment
1
RV802 A = 700
±
10 mV
SYNC Level Adjustment 1 RV801 B = 300
±
5 mV
ES-20
ES-20 Board
(A SIDE)
RV511
R DC BAL
R MAT BAL
RV509
R-Y GAIN
RV502
R-Y BLK BAL
RV501
G MAT BAL2
RV506
B WHT BAL
RV505
R WHT BAL
RV500
RV507
G MAT BAL1
RV504
B-Y GAIN ADJ
RV503
B-Y BLK BAL
B MAT BAL
RV512 RV1000
LEVEL
RV514
B DC BAL
RV513
B LEVEL
RV510
R LEVEL
G LEVEL
RV7
H PHASE
RV6
SC PHASE
S1
S3
SC 0/180
S800
OUTPUT 1
SELECT
OUTPUT 2 SELECT
S4
RV515
Y CLP LEVEL
RV1
CAM H PHASE
RV813
VBS LEVEL
RV809
Q(U)CAL
RV800
Y SETUP LEVEL
(NTSC ONLY)
RV804
RV811
R-Y LEVEL
RV805
I(V)CAL
RV806
BURST
LEVEL
RV807
BURST PHASE
RV808
(U)LEV
RV802
RV812
B-Y LEVEL
RV803
SYNC LEVEL (VBS)
Y LEVEL (VBS)
Y LEVEL(COMP)
RV801
RV1001
S1000
SEQ ON
S2
S801
CHROMA LEVEL
RV810
SYNC WIDTH
RV4
SC FREQUENCY
RV5
SC-H PHASE
SYNC PHASE
OUT PUT 1
SC
H
OUT PUT 2
R/G/B
Y/R-Y/B-Y
Y/C
0
180
°
R/G/B
Y/R-Y/B-Y
Y/C
RV3
RV2
RV508
PHASE
TP503
TP502
TP507 TP506 TP505
TP15
TP17
TP501
TP1
TP7
TP5
TP4
TP2
TP3
E16
E3
E1
ADJ
POSITION
SYNC LEVEL(COMP)