CXA2126Q Datasheet, PDF (19/34 Pages) Sony Corporation – Audio/Video Switch with Electronic Volume for 2 Scart

CXA2126Q
Measurement
point
V
HW
mute
+5V
1kΩ
SW1
+9V
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
+12V
52
+9V ₅₃
BC547B ₅₄
55
56
57
58
59
+9V
60
61
62
63
64
47µF
CXA2126Q
32
31
30
29
28
27
26
25
600Ω
24
23
2.2µF
600Ω
22
21 ^2.2µF
20
+9V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
SCL SDA
Input
signal
Fig. 7. Audio system (bandwidth and frequency responce)
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.
2. When muting audio using hardware mute, SW1 is closed.
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