Sanyo DC-MCR60 Service Manual page 12

IC BLOCK DIAGRAM & DESCRIPTION
IC211 LA1844ML (Electronic Tuning-Supported Home Audio Tuner IC)
24 23 22
ALC
AM
AM
MIX
OSC
BUFF
LEVEL
DET
S-CURVE
FM
FM
IF
DET
REG
2 3
1
IC412 TA8229 (Audio Power IC)
VCC2
8
IN-1 11
-
Ch-1
+
10
NF1
BIAS CIRCUIT
RIPPLE
9
THERMAL CUT-OFF
TERMINAL
PROTECTION
12
IN-2 -
Ch-2
+
13
NF2
14
PRE
GND1
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21 20 19
AM
RF.AMP
AGC
AM
AM
DET
IF
AM/FM
IF
COMP
BUFF
TUNING
DRIVE
GND
4 5 6
VCC1
4
6
B.S.1
5
OUT-1
POWER
7
GND
3
OUT-2
2
B.S.2
15
PRE
GND2
18 17 16
DECODER
ANTI-BIRDIE
P-DET
STEREO
VCO
304kHz
VCC
7 8 9
IC510 BA3314F (Dual Pre Amp for Audio)
NF1 1
IN1 2
GND
3
(SUB)
GND 4
5
Vcc
6
IN2
7
FILTER
- 11 -
15 14 13
PILOT
CANCEL
SW
FF
FF FF
PILOT
38k
19k 19k
DET
2
10 11 12
14
13
150k
-
12
+
ALC
11
+
10
-
150k
9
8
ALC
NC
OUT 1
NC
OUT 2
NF2
NC