JVC UX-G6 Service Manual page 59

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