Sony CX-LDB20 - Specific IC Block Diagrams; IC Block Diagrams (BA5947 FM-E2, BH15 FB1 WG)

33
CX-LDB10/LDB20
IC251 BA5947FM-E2
IC303 BH15FB1WG
THERMAL
PROTECTION
VOLTAGE
REFERENCE
CONTROL
BLOCK
OVER CURRENT
PROTECTION
VIN
+
−
1
GND
2
STBY
3
NC
4
VOUT
5
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
DD
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC OPOUT OUTVREF CH4CAPA CH4IN CH3FIN CH3RIN GND MUTE POWVCC CH3OUTF CH3OUTR CH4OUTF CH4OUTR
OPIN–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D D
3
SW
INTERFACE