Sanyo DC-DA1000 - IC Block Diagrams - CD and FM Front End; IC103 MM1469 XH (CD Driver); IC201 LA1186 N-AUDIO (FM Front End); IC211 LA1844 ML (Tuner System)

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IC BLOCK DIAGRAM & DESCRIPTION
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Vcc
Vcc
DRIVER MUTE
D.BUFD.BUFD.BUFD.BUF
D.BUFD.BUFD.BUFD.BUF
Level shift
Level shift
Level shift
Level shift
T. S. D
IC103 MM1469XH (CD Driver)
Vref BUFFER
RF MIX REG OSC
RF IN GND IF OUT Vcc
1 2 3 4 5 6 7 8 9
IC201 LA1186N-AUDIO (FM Front End)
IC410 BA3314F (Dula Preamplifier with ALC Detector)
14
13
12
11
10
1
2
3
4
5
6
7
NF1
IN1
GND (SUB)
GND
Vcc
IN2
FILTER
ALC
ALC
NC
NC
NC
OUT 1
OUT 2
NF2
150k
150k
+
+
-
-
9
8
FM
IF
FM
DET
LEVEL
DET
S-CURVE
AM/FM
IF
BUFF
REG
GND
COMP
TUNING
DRIVE
AM
IF
AM
DET
VCC
AGC
PILOT
CANCEL
PILOT
DET
DECODER
ANTI-BIRDIE
STEREO
SW
FF
38k
FF
19k
VCO
304kHz
AM
RF.AMP
AM
MIX
AM
OSC
ALC
BUFF
P-DET
FF
19k
2
1
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13
IC211 LA1844ML ( Tuner System)