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IC BLOCK DIAGRAM & DESCRIPTION
IC103 MM1469XH (CD Driver)
28
27
26
D.BUF
T.S.D
D.BUF
D.BUF
1
2
IC211 LA1844ML (Tuner System)
24
ALC
BUFF
LEVEL
DET
FM
IF
1
IC201 LA1186N-AUDIO (FM Front End)
Vref
RF
MIX
1
2
3
4
RF IN
25
24
23
22
D.BUF
Vcc
3
4
5
6
7
23
22
21
20
AM
AM
AM
MIX
RF.AMP
OSC
AGC
AM
IF
AM/FM
IF
COMP
S-CURVE
BUFF
TUNING
DRIVE
FM
DET
REG
GND
2
3
4
5
BUFFER
REG
OSC
5
6
7
8
GND
IF OUT
21
20
Vcc
8
9
19
18
17
DECODER
ANTI-BIRDIE
P-DET
AM
DET
VCO
304kHz
6
7
8
IC410 BA3314F (Dula Preamplifier with ALC Detector)
9
Vcc
- 9 -
19
18
17
16
D.BUF
D.BUF
DRIVER MUTE
D.BUF
D.BUF
10
11
12
13
16
15
14
13
PILOT
CANCEL
STEREO
SW
FF
FF
FF
PILOT
38k
19k
19k
DET
2
VCC
9
10
11
12
15
14
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