CXA2126 Sony Corporation, CXA2126 Datasheet - Page 18

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

Signal applied to Pins, 3, 5, 12, 14, 22, 24
Output signal measured from Pins 33, 34, 35, 36, 37, 40, 42
Notes) 1. All +9V supplies de-coupled close to supply pins, 20, 38, 60 with 10nF ceramic capacitor.
Fig. 6. Audio system (gain, dynamic range, signal to noise, crosstalk, distortion, volume control)
+12V
BC547B
2. When muting audio using hardware mute, SW1 is closed.
47 F
+9V
+9V
52
53
54
55
56
57
58
59
60
61
62
63
64
51
1
50
2
49
3
48
4
47
5
46
6
+5V
mute
HW
45
7
SW1
44
8
1k
SCL
CXA2126Q
43
9 10 11 12 13 14 15 16
42
SDA
– 18 –
41
40
39
+9V
38
37
36
35
17 18 19
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
2.2 F
2.2 F
+9V
600
600
Measurement
point
Input
signal
V
10k
CXA2126Q