4-11
CCU-TX7 (E)/V1
4-2-17. VBS OUT Level Adjustment
Equipment
:
Waveform monitor
To be extended :
ES-20 board
Preparation :
.
Select the BARS mode on the RCP-TX7 or COU-TX7.
Test point
:
VBS 1 OUT connector/CCU rear panel
Adjusting point :
1
RV813 (VBS LEVEL)/ES-20 board
Specification
:
A = 100
±
1 IRE [For NTSC]
A = 700
±
10 mV [For PAL]
4-2-18. STAIR CASE Adjustment
Note :
This adjustment is for temporary adjustment when
repairing the STAIR CASE block. In the system
set up, the readjustment is required to match the
characteristic of waveform monitor.
Equipment
:
Oscilloscope
To be extended :
ES-20 board
Preparation :
.
Select the BARS mode on the RCP-TX7.
.
MONITOR SELECT button/RCP-TX7
→
"SEQ"
Test point
:
pin 76 (GND: pin 75)/
extension board
Adjusting point :
1
RV1001/ES-20 board
1
RV1000/ES-20 board
Specification
:
A = 10.0
±
1 V p-p (
1
RV1001)
B = 0
±
1 V dc (
1
RV1000)
A
A
[For NTSC]
[For PAL]
B
GND
A
ES-20 Board
(A SIDE)
ES-20
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
FL800
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)
