JVC MX-G70 Service Manual page 35

BA3835S (IC812) : SPI B.P.F.
1.Block Diagrams
1
BIASC
2
VREFC
REFERENCE
3
RREF
CURRENT
4
N.C.
PEAK
105Hz
HOLD
BPF
5
N.C.
PEAK
340Hz
HOLD
BPF
A-C
PEAK
6 1kHz
DIFOUT
BPF HOLD
PEAK
3.4kHz
HOLD
7 BPF
CIN
DIF
10.5kHz PEAK
BPF HOLD
8
AIN
VCC 9
2.Pin Function
No. Symbol
I/O
-
1 BIASC
-
2 VREFC
-
3 RPEF
-
4 NC
-
5 NC
-
6 NC
-
7 CIN
I
8 AIN
-
9 VCC
O
10 SPI-A
O
11 SPI-B
O
12 SPI-C
O
13 SPICSB
-
14 NC
-
15 NC
-
16 TEST
O
17 AOUT
-
18 GND
18
BIAS GND
17 AOUT
VREF
16
TEST
15
N.C.
RES
14
N.C.
RES
13
SEL
MPX
RES
12
C
RES
11
B
RES
10 A
DEC
Decoupling condenser connection terminal.
Decoupling condenser connection terminal.
Reference resistance connection terminal.
Non connect.
Non connect.
Non connect.
Connected to GND of audio system through a condenser.
Inputs the audio signal through a condenser.
Power supply terminal.
Output selection control terminal.
Output selection control terminal.
Output selection control terminal.
Output selection control terminal.
Non connect.
Non connect.
Connected to GND upon normal use.
Multi-plexor output terminal.
Connect to GND.
Function
MX-G70
1-35