Samsung MAX-670 Service Manual page 52

Block Diagrams
KA2271B : DIC1
10
Vcc
12
R/R
13
NR SW
4
R/P SW
7
GND
LB1649 : UIC4
1
VCC1
11
IN 1
Fin
9-8
REC IN2 PB IN2
9 11
BUFFER
VOLTAGE
REGULATOR
CONTROL
SWITCH
BUFFER
8 6
REC IN1 PB 1N1
OUT2
OUT1
10
3
Input Logic
2
IN 2
PB OUT2
14
VCA & HPF
DETECTOR
FACTOR
DETECTOR
VCA & HPF
3
PB OUT1
12 6
5
VZ1 VZ2
IN3
REC OUT2
16
RIPPLE
RMS
15
FILTER
GAIN
5
R.CONST
RMS RIPPLE
2
FILTER
1
REC OUT1
OUT3 OUT4
9
4
Input Logic
Samsung Electronics
7
VCC2
8
IN4