JVC FS-G6 - Page 59

2-43
UX-G6/FS-G6
Description of major ICs
BA8221AN (IC634) : ALC
1
RIN
2
LIN
3
TC
4
GND
5
MUTE
6
LO
7
RO
8
VCC
VCC
510K
39K
VCC
VCC
VCC
VCC
510K
39K
MUTE
HA12136A (IC635) : Noise reduction amplifire
DET
BIAS
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
SW
SW
BUFFER
AMP
BUFFER
AMP
SIDE
CHAIN
SIDE
CHAIN
REC
OUT
PB
OUT
REC/PBBIAS
PB
IN
REC
IN
GND
Vcc
REC
OUT
REC
IN
DET
PB
OUT
NR
ON/OFF
Vref
PB
IN