A
B
C
D
E
F
G
H
I
J
K
L
AVR-S80/NX-SW80
57
1
2
3
4
5
6
7
8
9
AVR-S80 SCHEMATIC DIAGRAM (SUB)
★
All voltages are measured with a 10M
Ω
/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.
Point
4
Pin 13 of IC301
VIDEO SW
IC300: NJM2595D
Video Switch
13
Vin1
SW2
9
Vin2
7
Vin3
5
Vin4
3
Vin5
20k
1
Vout1
15
Vout2
11
Vout3
20k
20k
S2
20k
20k
6dB
75ohm
S3
S1
S5
10
V+
16
SW3
4
SW4
6
GND
12
V-
9
SW1
14
SW5
2
20k
6dB
75ohm
S6
20k
6dB
75ohm
S7
IC301: 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
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
IC400: LC75712E FLD
FL Display Driver
DI
SHIFT REGISTER
CG
ROM
DC
RAM
C
O
N
T
R
O
L
L
A
T
C
H
64
CL
63
CE
L
A
T
C
H
A
N
O
D
E
D
R
I
V
E
R
62
TEST
56
VFL
55
VDD
60
VSS
57
RES
61
OSCI
59
OSCO
58
CG
RAM
AD
RAM
ADDRESS
COUNTER
ADDRESS
REGISTER
GRID
CONTROL
GRID
REGISTER
AM1
AM2
AM35
D
E
C
O
D
E
R
G
R
I
D
D
R
I
V
E
R
G1
G2
G10
G11
AA1
AA2
AA3
AA4/G16
AA5/G15
AA6/G14
AA7/G13
AA8/G12
BLINK
GENERATOR
DUTY
GENERATOR
BLINKCYCLE
REGISTER
DISPLAY
CONTROL
DISPLAY
REGISTER
DUTYCYCLE
REGISTER
CONTROL
INSTRUCTION
DECODER
DIVIDER
TIMING
GENERATOR
OSC
1
2
35
36
37
38
39
40
41
42
43
44
45
53
54
SUB (4)
x: NOT USED
O: USED / APPLICABLE
P
age 55
to MAIN (1)
B1
P
age 55
to MAIN (1)
K2
Page 55
to MAIN (1)
B4
P
age 55
to MAIN (1)
B1
P
age 55
to MAIN (1)
D7
P
age 55
to MAIN (1)
D7
to T
uner
SUB (1)
SUB (2)
SUB (3)
FL DRIVER
FL DISPLAY
REMOTE
SENSOR
4
2.4
2.6
2.5
5.7
2.5
0
4.9
2.5
2.5
0
0
5.0
0
0.1
10.7
5.1
0
0
0
0
11.8
5.0
5.7
5.7
0
0
-5.0
0
0
0
0
0
4.8
0
0
4.8
5.1
0
4.0
0
4.9
0
5.1
5.0
~
~
~
~
~
~
~
~
~
0
0
2.5
2.5
5.1
0
4.8
0
4.8
-30.0
~
-30.0
-30.0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-30.0
-30.0
-30.0
-30.0
-22.3
-22.3
~
~
~
~
~
~
~
~
~
~
-30.0
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-30.0
-30.0
~
~
~
~
~
~
~
~
5.1
~
~
~
~
~
~
5.1
5.1
5.1
EUROPEAN
Содержание AVR-S80
Страница 86: ...AVR S80 NX SW80 ...