HCD-GRX2/RX33
— 19 —
— 20 —
— 21 —
— 22 —
— 23 —
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 DET
AM IF
COMP
FM
AM
MUTE
DECORDER
STEREO DRIVE
FF
TRIG
PHASE
DET
VCO
AM/FM
SW
PILOT
DET
STEREO SW
3
6
9
12
2
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
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
+
–
3
6
9
12
15
2
5
8
11
14
1
4
7
10
13
28
25
22
19
16
29
26
23
20
17
30
27
24
21
18
+
–
+
–
+
–
LATCH
DECODER
CONTROL
SHIFT
REGISTER
–
+
LVROUT
LVRIN
LTOUT
LTCOM
LT4
LT3
LT2
LT1
L4
L3
L2
L1
VDD
CL
DI
RVROUT
RVRIN
RTOUT
RTCOM
RT4
RT3
RT2
RT1
R4
R3
R2
R1
VREF
VSS
CE
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
GND
GND
CH1
+
–
+
–
+
–
+
–
A/B
GND
METAL
OUT
PRE
OUT
MIX
OUT
REC
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
DRIVER
DRIVER
GND
MUTE
CONTROL
XRST
T.T(M)
POSI.1
POSI.2
T.T.SW
VDD
STB
CLOK
DATA I
DATA 0
LOADING
M-
LOADING
M+
SENSOR
1
8
2
3
4
5
6
7
16
9
15
T
C
14
13
12
11
10
SERIAL I/O
CONTROL
LATCH
LATCH
LATCH
36
PHD2
PHD1
PHD
33
LD
32
RF M
31
RF O
30
RF I
29
CP
28
CB
27
CC1
26
CC2
25
FOK
24 SENS
23 C. OUT
22 XRST
21 DATA
20 XLT
19 CLK
18 VCC
17 ISET
16 SL 0
15 SL M
14 SL P
13
12
TA O
TA M
11
FSET
10
TG2
9
TGU
8
SRCH
7
FE M
6
FE O
5
FLB
4
FGD
3
FDFCT
2
FEI
1
FEO
48
VC
47
TDFCT
46
TZC
45
ATSC
44
TEI
43
LPFI
42
TEO
41
VEE
40
EI
39
E
38
F
37
FE BIAS
+
+
–
+
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
–
+
+
–
–
+
+
–
+
–
+
–
+
–
+
–
APC
–
–
–
–
LEVELS
FOK
MIRR
DFCT
RF IV AMP2
RF IV AMP1
FE AMP
F IV AMP
E IV AMP
TE AMP
FZC COMP
BAL1
BAL2
BAL3
TOG1
TOG2
TOG3
TTL
IIL
IIL
TTL
TTL
IIL
• IIL DATA RESISTOR
• INPUT SHIFT RESISTOR
• ADDRESS DECODER
• OUTPUT DECODER
HPF COMP
LPF COMP
TZC COMP
DFCT
DFCT
TM1
FS4
ATSC
• WINDOW COMP
• FCS PHASE
COMPENSATION
• TRACKING
• PHASE
COMPENSATION
• ISET
FS1
FS2
TM4
TM5
TM6
TM3
TM7
TG2
• F SET
TG1
TM2
+
–
TOG1-3
FS1-4
TG1-2
TM1-7
PS1-4
BAL1-3
35
34
IC01 (CD DECORD BOARD) CXA1782BQ
IC102 (MAIN BOARD) LA1831
IC103 (MAIN BOARD) LC7218-ST
IC301 (MAIN BOARD) LC75392
IC201 (MAIN BOARD) TA8189N
IC02 (CD DECORD BOARD) TC9173P
5-3. IC BLOCK DIAGRAMS
+
–
LEVEL SHIFT
+ –
+
–
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
LEVEL SHIFT
+ –
+
–
MUTE
+
–
+
–
LEVEL SHIFT
+ –
+
–
LEVEL SHIFT
+ –
+
–
+
–
15
16
17
18
19
21
20
22
26
25
24
23
+
–
NC
Vcc
Vcc
Vcc
VCC
BIAS IN
IN1B
IN1A
IN2B
IN2A
GND
GND
MUTE
VCC
OUT2A
OUT2B
OUT1A
OUT1B
IN4B
IN4A
IN3B
IN3A
OP OUT
OP IN (–)
OP IN (+)
GND
NC
VCC
OUT3A
OUT3B
OUT4A
OUT4B
1 2
3
4
5 6 7 8 9
10
16 15 14 13 12 11
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
OUTPUT
BUFFER
(OPEN DRAIN)
17
18
VDD
OE
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLOCK
DATA
VSS
IC03 (CD DECORD BOARD) BA5941FP
IC602 (PANEL BOARD) BU2092