Sanyo DWM-4500 - MP3;WMA CD Operation

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IC BLOCK DIAGRAM & DESCRIPTION
IC211 LA1186N(Diode for RM AMP,MX,OSC & AFC)
Vref BUFFER
RF MIX REG OSC
RF IN GND IF OUT Vcc
1 2 3 4 5 6 7 8 9
IC231 LA1844ML(AM/FM-ZF/MPX)
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
23456789101112
24 23 22 21 20 19 18 17 16 15 14
13
IC301 NJM4560M(OP. AMP.)
2
1
24
17
16
3
4
5
6
18
15
7
8
9
10 11
14
19
20
21
22
13
Vssx
XIN
XOUT
FMIN
AMIN
CE
DI
CL
DO
V
DD
Vssd
PD
AIN
AOUT
Vssa
IFIN
IO1
IO2
BO1 BO2 BO3 BO4
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16, 1/17 4bits
12bits PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER LATCH
1/2
CCB
I / F
POWER
ON
RESET
IC241 LC72121M-D(PLL)
1A: OUT
A: -IN
A: +IN
V
EE
2
3
4
8 Vcc
B: OUT
B: -IN
B: +IN
7
6
5
BA
V(+) V(+)
A OUTPUT
B OUTPUT
B -INPUT
B +INPUT
A -INPUT
A +INPUT
V(-)
1
2
3
5 6
7
8 9
4
B
+
-
A
+
-