CXA2126 Sony Corporation, CXA2126 Datasheet - Page 2

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

Block Diagram
VCR RED/CHROMA
DIG RED/CHROMA
DIG GREEN/CVBS
Typical Connection
VCR CVBS/LUMA
DIG CVBS/LUMA
DIG CVBS/LUMA
DIG CHROMA
VCR GREEN
VCR BLUE
DIG BLUE
TV CVBS
VCR
DIG
VREG_BASE
RIN2 (VCR)
LIN2 (VCR)
HW_MUTE
AUD_BIAS
RIN1 (DIG)
AUD_GND
LIN1 (DIG)
FNC_VCR
FBLK_IN1
FBLK_IN2
VREG_9V
VID_BIAS
DIG_GND
RIN3 (TV)
VID_GND
AUD_V
LIN3 (TV)
DIG_V
V
VID_V
CC
VIN10
VIN11
_12V
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
VIN7
VIN8
VIN9
SDA
SCL
CC
CC
CC
52
53
63
61
59
57
10
55
23
60
62
20
19
26
38
43
58
56
54
12
22
14
24
11
64
45
2
4
6
8
7
3
5
9
9V reg
Monitor
Bias 1
Bias 2
–6dB
–6dB
–6dB
–6dB
4.5V
Bias
4.05V
4.5V
Mute
Bias
+5V
Mute
0V
AUDIO_SWITCH1 (TV)
VIDEO_SWITCH2 (VCR)
AUDIO_SWITCH2 (VCR)
VIDEO_SWITCH1 (TV)
3.3V or 5V
FBLK_SW
Interface
LOGIC
P.O.D
I
2
C
VOLUME CONTROL
– 2 –
8dB
8dB
& MUTE
ZCD
1dB
1dB
0/6dB
0/6dB
Selectable Gain Stage
2
2
2
2
2
2
MONO SWITCH
MONO SWITCH
100
100
100
100
100
100
100
2
2
2
2
2
2
2
50
48
47
46
49
41
44
33
35
40
42
37
34
36
30
28
TV_FBLANK
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
MONO
PHONO_R
RTV
LTV
PHONO_L
ROUT1
LOUT1
FNC_TV
LOGIC
Typical Connection
TV
VCR
TV BLUE
TV GREEN
TV RED/C
TV CVBS/Y
VCR CHROMA
VCR CVBS/Y
CXA2126Q
TV
VCR