A
1
2
3
4
5
6
7
8
9
BCDEFGH I JKL
CRX-E300
SCHEMATIC DIAGRAM (INPUT)
47
1SS133
HZS5C1
87654321
OUT1
–Vcc
+IN2
–IN2
OUT2
+Vcc
–IN1
+IN1
IC304, 306, 751: NJM2068D-D
Dual OP-Amp.
IC752: LB1641
Motor Driver
23
P1
5
IN 1
1
GND
4
VZ
6
IN 2
OUT 1
8
VCC 2
10
OUT 2
9
P2
INPUT LOGIC
PRE DRIVER
7
VCC 1
IC309: NJM78L05A-T3
Voltage Regulator
INPUT
OUTPUT
GND
NJM78L05A-T3
1: IN
2: GND
3: OUT
IC305: LC78211
Analog Function Switch
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTROL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
L3
L4
LCOM1
L5
L6
L7
L8
RES
S
V
DD
V
SS
V
EE
LCOM2
LCOM3
R1
R2
R3
R4
RCOM1
RCOM2
RCOM3
R5
R7
R8
D1
CL
CE
R6
IC307: LC72722
RDS Decoder
+
REFERENCE
VOLTAGE
57kHz
bpf
(SCF)
CCB
TEST
PLL
(57kHz)
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
ERROR CORRECTION
(SOFT DECISION)
SYNC/EC
CONTROLLER
SYNC
DETECT-1
D ATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
MEMORY
CONTROL
OSC/DIVIDER
VREF
CLK(4.332MHz)
SYNC
DETECT-2
VDDA
VSSD
VDDD
RDS-ID
SYNC
SYR
VSSA
MPX IN
DO
CL
DI
CE
T1
T2
T3
T4
T5
T6
T7
X IN
VREF
FL OUT
C IN
X OUT
3
14
15
19
18
24
1 5 6
4
2
20
21
22
23
7
8
9
10
11 16 17 13 12
2SC2878
E
C
B
2SC1740S
DTA114ES
E
C
B
Anode
Cathode
PIN CONNECTION DIAGRAM OF TRANSISTORS,
DIODES AND ICS.
NJM2068D-D
1
4
8
LB1641
1
10
★ All voltage are measured with a 10MΩ/V DC electric volt meter.
★ Components having special characteristics are marked s and must be
replaced with parts having specifications equal to those originally
installed.
★ Schematic diagram is subject to change without notice.
x: NOT USED
O: USED / APPLICABLE
Point 1 Pin 12 of IC307
1
15
30
LC78211
LC72722
1
12
24
MUTING
INPUT SELECTOR
RDS DRIVE
OPERATION KEY
TONE
CONTROL
MOTOR
DRIVE
VOLUME
BU2092
1
9
18
TC74HC4051AP
1
8
16
IC303: TC74HC4051AP
Analog Multiplexer/Demultiplexer
LEVEL
CONVERTER
BINARY TO 1-OF-8
DECODER WITH INHIBIT
11
10
9
8
7
6 16
13
SW
SW
SW
SW
SW
SW
SW
SW
14
15
12
1
5
2
4
3
INHIBIT VDD
X
A
B
C
VSS
VEE
X0
X1
X2
X3
X4
X5
X6
X7
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
C
0
0
0
0
1
1
1
1
X
B
0
0
1
1
0
0
1
1
X
A
0
1
0
1
0
1
0
1
X
“ON” CHANNEL (S)
0
1
2
3
4
5
6
7
NONE
5
5
6
7
7
4
8
6
7
1
5
6
234
5811
26 23 20
67 9101
29 28 27
25 24 22 21
30
2
3
4
8
5
6
3
2
7
1
8
4
to INPUT (3)
to INPUT (1)
Page 50
to MAIN (1)
RDS model only
A5
to TUNER
Page 48
to OPERATION
C9Page 48
to OPERATIONto FLASH WRITER
D9
Page 48
to OPERATION
A9
Page 50
to MAIN (1)
H8
to INPUT (3)
Page 50
to MAIN (1)
B8
to INPUT (2)
Page 49
to CD
J3Page 49
to CD
J4
1
0
12.1
12.1
-11.8
4.9
4.9
0
0
0
0
0
0
0
0
4.9
4.9
0
0
0
0
0
0
-11.8
0
0
0
0
0
0
0
000
0
0
0
0
0
0
0
00
0
000
0
0
4.8
0
0
12.1
-11.8
12.1
0
5.0
11.5
0.5
0
0 0 4.8 4.8 0.2 0 5.0 2.4
2.6
002.52.504.92.52.5
0
0.6
0.8
0.60
0
0
10.4
10.4
0.7
0.6
0
0
12.1
0.1
0
0.1
0.1
-11.8
CD
MD
5.0
4.9
4.8
2.3
4.8
5.0
4.9
4.8
4.5
4.9
0.1
4.8
2.71.6 1.62.2
2.7
0
0
0
0.1
0
4.8
4.7
4.9
3.5
0.10
0
0.1
2.2
2.7
2.1
2.7
0
4.9
0.1
4.6
4.9
0.1
4.0
3.2
5.0
0.1
0
2.1
2.8
2.7
4.9
0
4.9
1.8 1.82.2
0
4.9
4.9
0
4.9
4.9
0
4.9
4.9
4.9
-11.8
4.9
2.21.1 1.12.2
0
0
0
0.1
4.8
5.0
0
0
T CHINA
L SINGAPORE
K KOREAN
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1
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Q
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1
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1
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0
9
9
2
8
9
4
2
9
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T
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L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
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0
5
1
5
1
3
6
7
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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