IC04 CXD2508Q
DTS3
DTS2
RPWM
NRPWM
AVSS2
AVSS3
XTA0
XTA1
AVDD3
AVDD2
NLPWM
LPWM
VDD
DTS1
ZEROR
ZEROL
SCOR
SBSO
EXCK
SQSO
XRST
DATA
XLAT
CLOK
VSS
SEIN
DATO
XLTO
CLKO
SPOA
(PIC SW)
SPOB
(OPEN SW)
SPOC
(CLOSE SW)
XTSL
XLON
(LD ON)
FOK
MON
WFCK
EMPHI
EMPH
DOUT
C4M
FSTT
MNT0
MNT1
MNT3
XPOF
C2PO
VSS
RFCK
GFS
XPCK
XUGF
GTOP
BCK1
BCK
PCMD1
PCMD
LRCK1
LRCK
WDCK
MDP
MDS
LOCK
TEST
FIL0
FIL1
PCO
VDD
AVSS1
CLTV
AVDD1
RF
BIAS
ASY1
ASY0
ASYE
1
24
EFM
DEMODULATOR
DIGITAL
OUT
1
10
3
4
3
13
11
DIGITAL
FILTER
+
1BIT DAC
DIGITAL
CLV
D / A
INTERFACE
ERROR
CORRECTOR
SQCK
MUTE
SENS
CNIN
23
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
SERVO AUTO
SEQUENCER
16K
RAM
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
21
64
41
42
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
CPU
INTERFACE
SUB CODE
PROCESSOR
CLOCK
GENERATOR
DIGITAL
PLL
ASYMMETRY
CORRECTOR
— 32 —
— 31 —
IC102 LA1831
XIN
CE
DI
CL
DO
SYC
IN0
IN1
OUT0
OUT1
OUT2
OUT3
SHIFT REGISTER
LATCH
12 BIT
PROGRAMMABLE DIVIDER
SWALLOW COUNTER
1/16 . 1/17 BIT
REFERENCE
DIVIDER
PHASE DETECTOR
CHARGE PUMP
1 / 2
X OUT
VSS
PD2
PD1
VDD
FM IN
AM IN
OUT 6
HCTR
LCTR
OUT 5
OUT 4
UNIVERSAL
COUNTER
7
10
11
12
9
8
6
5
4
3
2
1
13
14
24
23
22
21
20
19
18
17
16
15
IC201 LC7218
FM IF REG GND
VCC
FM DET
S-CURVE
TUNING
DRIVE
LEVEL
DET
AM/FM
IF BUFE
ALC
BUFFER
AM
OSC
AM
MIX
AM
RF AMP
AGC
AM DETAM IF
COMP
FM
AM
MUTE DECORDER
STEREO DRIVE
FF
TRIG
PHASE
DET
VCO
AM/FM
SW
PILOT
DET
STEREO SW
3
6 9 122 5 8
11
1
4 7 10
22 19 16 13
23
20 17
14
24 21 18 15
OSC/FMSD
OSC
AFC AM RF SMET AM HPF AF DET MPX VCO MPX IN R OUT
L OUT
PL DET
FM IF
AM MIX REG AM IF GND TU LED ST IND FM DET VCC AM/FM
PH DET
PH DET
IC101 LA1186N
RF IN
1
2
3
4
5
6
7
8
9
BYPAS
GND
GND
MIX IN
IF
OSC
VCC
AFC
RF
VREF
MIX
REG
OSC BUF
— TUNER SECTION —
CH2/A CH2/B NF VCC CG NF ALC
METAL
OUT
PRE
OUT
TAPE A
/TAPE B
REC
OUT
REC
IN
CH1/A CH1/B NF GND1 M/H NF
CH2
CH2
ALC
M/N
CH1
GNDGND
CH1
+
–
+
–
+
–
+
–
A/B
GNDMETAL
OUT
PRE
OUT
MIX
OUT
REC
OUT
REC
IN
IREF
VREF2
VREF1
24 23 22 21 20 19 18 17
16
15 14 13
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IC201 TA8189N
— MAIN SECTION —
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