CXA2061 Sony Corporation, CXA2061 Datasheet - Page 34

• Manufacturer Part Number: CXA2061
• Description: Y/C/RGB/D for NTSC Color TVs
• Manufacturer: Sony Corporation

3. VIDEO switch
The block diagram from the CXA2061S input to the VIDEO switch is as shown in the diagram below.
The input is selected and switched by the VIDEO SEL and S SEL settings as shown in the table below.
Note) When Y1/C1 or Y2/C2 is selected, set VIDEO SEL to A = 1, B = 1.
VIDEO SEL
A
0
0
1
1
1
1
0
0
1
1
B
0
1
0
1
1
1
0
1
0
1
INPUT: 1.0Vp-p
INPUT: 2.0Vp-p
CVBS1/Y1 IN
CVBS2/Y2 IN
COMB-Y IN
COMB-C IN
C
0
0
0
0
0
1
1
1
1
1
TV/C2-IN
S SEL
C1-IN
D
0
0
0
0
1
0
1
1
1
1
COMBY
COMBY
COMBY
CVBS1
CVBS2
NOSIG
NOSIG
TO-Y
TV
Y1
Y2
–6dB
–6dB
I
2
C : VIDEO SEL
SELECTOR
COMBC
COMBC
COMBC
CVBS1
CVBS2
NOSIG
NOSIG
A
VIDEO
TO-C
2 to 3
TV
C1
C2
B
– 34 –
MON-OUT
Y1 + C1
Y2 + C2
CVBS1
CVBS2
NOSIG
CVBS1
CVBS2
NOSIG
TV
TV
MIX
SELECTOR
SELECTOR
SELECTOR
VIDEO SW
I
2
C : S SEL
C
2 to 4
D
+6dB
TO-Y
TO-CHROMA
MON-OUT
2Vp-p
CXA2061S