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A
B
C
D
E
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G
H
1
2
3
4
5
6
I
J
K
L
M
N
O
7
8
9
10
RX-V620/HTR-5460/RX-V620RDS
■
SCHEMATIC DIAGRAM (INPUT 1/2)
* All voltage are measured with a 10M
Ω
/V DC electric volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
IC311–317, 319, 320 :
µ
PC4570G2
Dual OP-Amp
–
+
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
–
+
6
7
8
L2
L4
L3
LCOM1
L1 1
2
3
4
5
L6
LCOM2
L5 6
7
8
L8
LCOM3
L7 9
10
11
V
DD
19
V
SS
16
V
EE
12
RES 18
S 17
LEVEL SHIFTER
LATCH
SHIFT REGISTER
R2
R4
R3
RCOM1
R1
R6
RCOM2
R5
R8
RCOM3
R7
20
22
30
29
28
27
26
25
24
23
21
CONTR
OL
15 CL
14 D1
13 CE
IC301, 303 : LC78211
Analog Function Switch
IC302, 304 : LC78213
Analog Function Switch
L6
LCOM3
L5 7
8
9
L7
LCOM4
10
11
V
DD
19
V
SS
16
V
EE
12
RES 18
S 17
LEVEL SHIFTER
LATCH
SHIFT REGISTER
R6
RCOM3
R5
R7
RCOM4
20
24
23
22
21
CONTR
OL
15 CL
14 D1
13 CE
L4
LCOM2
L3 4
5
6
R4
RCOM2
R3
27
26
25
L2
LCOM1
L1 1
2
3
R2
RCOM1
R1
30
29
28
71
Conditions
• INPUT: DVD auto
• PROGRAM: PRO LOGIC DSP
IC308 : LC72722
RDS Signal Processor
+
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
DATA
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
INPUT SELECTOR
PHONO MM
EQ AMP
BUFFER
RDS DECODER
FL
FL
RL
RL
RL
RL
L
L
L
L
L
C
C
C
C
0
0
0
10.7
0
0
0
–10.6
0.1
0.1
0.1
0.1
0.1
0.1
11.2
0
0
0
0
0
0
11.2
0
0
–11.8
0
0
0
0
–11.8
–11.8
0
0
–11.8
0
0
–11.1
0
0
0
11.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0.1
0.1
0.1
0.1
0.1
0.1
0
0.1
0.1
0
0
0
–11.1
0.1
0.1
11.2
0.1
0.1
0.1
–11.2
0
0
0
–11.2
0.1
–0.1
–0.1
0.1
–0.1
–0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0.1
11.2
0
0
0
–11.2
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
12.0
12.0
0.1
12.0
0.1
0.1
0.1
–
11.9
12.0
0.1
0.1
12.0
0.1
0.1
0.1
–
11.9
12.0
0
0
12.0
0
0
0
–
11.9
12.0
12.0
0
12.0
0
0
0
–
11.9
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
11.2
0
0
0
–11.1
0
0
0
0
0
0
–11.2
–11.1
–11.8
0
0
0
11.2
0
0
0
–11.1
4.9
5.6
3.6
3.0
0
2.2
2.3
4.5
0
2.3
2.2
0
0
1.9
0
0
0
0.1
0
1.8
5.6
0
12.0
12.0
0
0
–11.8
0
0
–11.8
3
8
1
2
6
4
7
5
8
5
6
7
8
4
5
6
7
2
3
1
8
5
6
7
4
2
3
1
8
5
6
7
4
2
3
1
4
2
3
1
5
7
8
6
2
1
4
3
3
1
8
2
6
7
4
5
5
7
8
4
6
2
1
3
8
2
3
1
4
5
6
7
CIRCUIT CHANGES BY MARKET.
X : NOT USED
RJ-1073F-09-0351A
Point
t
(Pin 12 of IC308)
V : 1V/div, H : 0.2
µ
sec/div
DC, 1 : 1 probe
0V