Sanyo DC-DA1100 (XE) Service Manual page 11

IC BLOCK DIAGRAM & DESCRIPTION
IC211 LA1844ML (Tuner System)
24
ALC
BUFF
LEVEL
DET
FM
IF
1
IC410 BA3314F (Dula Preamplifier with ALC Detector)
IC411 LC75342M (Function SW / Electric Volume
/ 2 Band Equalizer)
LSELO LIN LTRE
10 9 8
L4
11
L3
12
L2 13
CONTROL
CIRCUIT
L1 14
NC
15
CIRCUIT
NC
16
R1 17
CONTROL
CIRCUIT
R2
18
R3
19
R4 20
21 22 23
RSELO RIN RTRE
23 22 21 20
AM AM
AM
MIX RF.AMP
OSC
AGC
AM
IF
AM/FM
IF
COMP
S-CURVE
BUFF
TUNING
FM DRIVE
DET
REG GND
2 3 4 5
LBASS1 LBASS2 LOUT
7 6 5
LVref
LOGIC CCB
INTERFACE
RVref
24 25 26
RBASS1 RBASS2 ROUT
19 18 17
DECODER
ANTI-BIRDIE
P-DET
AM
DET
VCO
304kHz
6 7 8
IC412 TA8229K (Power Amplifier)
IN-1 11
10
NF1
4 TEST
3
V
SS
2 CE
RIPPLE
9
1 DI
TERMINAL
30
CL
29 V
DD
12
IN-2
28 Vref
13
NF2
27 NC
- 10 -
16 15 14 13
PILOT
CANCEL
STEREO
SW
FF FF
FF PILOT
38k
19k 19k
DET
2
VCC
9 10 11 12
VCC2 VCC1
8 4
-
Ch-1
+
BIAS CIRCUIT
THERMAL CUT-OFF
PROTECTION
-
Ch-2
+
14 15
PRE PRE
GND1 GND2
6
B.S.1
5 OUT-1
POWER
7
GND
3
OUT-2
2
B.S.2