Schematic Diagram - Yamaha CRX-E150 Service Manual

A B
SCHEMATIC DIAGRAM (INPUT)
1
Q Q
IC301~303, 751: NJM2068D-D
3 7 6 3 1 5 1 5 0
Dual OP-Amp.
1 2 3 4 5
2
3
2 8
14.8
1
5
0 7
0
0
0 3
0 4
6
-14.9
4
14.8
6
8
0 3
1 0
0 0
5
4 0
2
-14.9
T E
L 1 3 9 4 2 2 9 6 5 1 3
5
MD
6
7
w w w
8
.
9
C D E
IC304: LC78211 IC305: NJM78L05A-T3
Analog Function Switch Voltage Regulator
1 30
L1 R1
2 29
L2 R2
L3 3 28 R3
4 27
L4 R4
6 7 8
5 26
LCOM1 RCOM1
L5 6 25
R5
7 24
L6 R6
LCOM2 8 23 RCOM2
9 22
L7 R7
L8 10 21 R8
11 20
LCOM3 RCOM3
19
V DD LEVEL SHIFTER
V 16
SS
14 D1
LATCH ZZ
12
V EE
15 CL
18 ZZ
RES
SHIFT REGISTER
S 17 13 CE
ZZ
MUTING
0
0
-14.8
0
0
-14.8
0
7
0
-14.8 5.0
-14.8
0 0
0 28 0 25 0 0 0
30 29 27 24 22 21
0
14.8
26 0 23 0 20 0 0 5 8
7
0
0
6
0 0 0
5 8 11 2
0 1
0
1 2 3 4 6 7 9 10
0 3
0
4
0 0 0 0 0
-14.9
0
0
INPUT SELECTOR
14.8
0 5.0
-14.9
0
4.8
0
x a o
y
i
F G
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IC306: LC72722
RDS Decoder 8
1 5
INPUT
VDDA 3
REFERENCE
VOLTAGE
VSSA
4
57kHz
ANTIALIASING SMOOTHING
MPX IN 2 bpf
FILTER
FILTER
(SCF)
OUTPUT
DO 20
CL 21
RAM
DI 22 CCB (24 BLOCK DATA)
CE
23
T1
7 MEMORY
CONTROL
T2 8
TEST
T3 9
GND
T4 10
11 16 17
Q Q
3 7 6 3
1
0 0 4.8 4.8 0.2 0 5.0 2.4
11.5
2.5 2.5 4.9 0 2.5 2.5 0 0
2.6
0.5
0
RDS DRIVE
CD
11.5
11.6
0
12.1
0
u 1 6 3
.
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H I
IC752: LB1641
2 4
9 Motor Driver 9
6
CLOCK 14 VDDD
+ PLL
3 2 8 10 9 7
RECOVERY
(57kHz)
(1187.5Hz)
15 VSSD
VREF
DATA
19 RDS-ID
DECODER
4
SYNC
18
ERROR CORRECTION SYNC/EC
(SOFT DECISION) CONTROLLER
24 SYR
CLK(4.332MHz)
SYNC SYNC
INPUT LOGIC
IN 1 5 6
DETECT-1 DETECT-2
OSC/DIVIDER
GND 1
13 12
Point 1 Pin 12 of IC306
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.
1 5 1 5 0 8 9 2 4
OPERATION KEY
TO OPERATION E-43/J-39
FROM MAIN (1) E-45/J-41
B8 FROM INPUT (3) E-42/J-38
I7
I8
TO MAIN (1) E-45/J-41
D8
TONE
CONTROL
MOTOR
DRIVE
14.8
0.1 5
8
7
0
0
VOLUME
6
m
7
c o
2
1
0.1
0
4
0.1 3
-14.9
TO INPUT (2) E-42/J-38
I6
J K L
CRX-E150
2
8 9 9
VZ
IN 2
x: NOT USED
O: USED / APPLICABLE
9 8 2 9 9
PIN CONNECTION DIAGRAM OF TRANSISTORS,
DIODES AND ICS.
2SC2878 2SC1740S 2SC4488 HZS5C1 NJM78L05A-T3
DTA114ES HZS12A2TD
Anode
B 3: OUT
Cathode
C
E E
C B E 2: GND
C B 1: IN
NJM2068D-D LB1641 LC72722 LC78211
15
10
12
8 4
24
1 30
1
1
1
E-42/J-38