GRX-8- manual equivalent, servece board manual.
p; – 14 OUT1B
LRCKI
IN4B
IN4A
IN3B
IN3A
GND
28
27
26
VCC
NC
25
24
23
– +
22
21
20 NC
19
18
17
16
LEVEL SHIFT
+
.
DET 14 f04
IC392 MC74HCU04F
VCC 14 13 12 11 10 9 8 BPF BIAS 6 C Bias DET NC 7 12 VCC DET 13 f
NC 8
11 NC
1
2
3
4.
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