CXA2126 Sony Corporation, CXA2126 Datasheet - Page 26

• Manufacturer Part Number: CXA2126
• Description: Audio/Video Switch with Electronic Volume for 2 Scart
• Manufacturer: Sony Corporation

3. Video Input I
Switch 1 (TV Output)
Note) After power on all TV outputs are off and muted.
Switch 2 (VCR Output)
Note) After power on VCR outputs are off and muted.
VCR Chroma Mute
Standby Mode Control
Each video output can individually be turned off using data byte 6.
Note) When switched off, the video outputs are high impedance to prevent d.c. driving of the external emitter
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0 x x x x x x x = Vout5 active. Connected to input specified in above table.
1 x x x x x x x = Vout5 muted (the output dc bias still remains).
0 = Video Output off
1 = Video Output on
Switch setting
Switch setting
x x 0 0 0 x x x
x x 0 0 1 x x x
x x 0 1 0 x x x
x x 0 1 1 x x x
x x 1 0 0 x x x
x x 1 0 1 x x x
x x 1 1 0 x x x
x x 1 1 1 x x x
x x 0 0 0 x x x
x x 0 0 1 x x x
x x 0 1 0 x x x
x x 0 1 1 x x x
x x 1 0 0 x x x
x x 1 0 1 x x x
x x 1 1 0 x x x
x x 1 1 1 x x x
follower stage.
The reduction of overall current consumption will depend on how many video outputs are turned off.
After power on all video outputs are in the off state.
2
C Control
Data 3 Bit 7
(Chroma (C))
Data 2 Bits 3, 4, 5
Not used
Not used
Not used
Not used
Not used
Data 3 Bits 3, 4, 5
Data 6 Bits 0, 1, 2, 3, 4, 5
Vout5
Vout1
VIN1
VIN2
VIN5
VIN6
VIN7
VIN5
Bias
Bias
Bias
Bias
Bias
(B)
(CVBS/Y)
Not used
Not used
Not used
Not used
(Green)
Vout6
Vout2
VIN10
VIN11
VIN8
VIN9
VIN3
VIN3
VIN4
Bias
Bias
Bias
Bias
Bias
– 26 –
Digital encoder
Digital encoder
VCR
Not used
Digital encoder
TV
Not used
Video mute
Not used
Not used
Vout3
(R/C)
VIN5
VIN6
VIN7
VIN5
Bias
Bias
Comment
(CVBS/Y)
Not used
Not used
VIN10
VIN11
Vout4
VIN8
VIN9
VIN3
Bias
Digital encoder
Digital encoder
VCR
Not used
Digital encoder
TV
Not used
Video mute
Comment
CXA2126Q