A
B
C
D
E
F
G
H
I
J
K
L
RX-V2300/DSP-AX2300/RX-V1300/RX-V1300RDS/HTR-5590/DSP-AX1300
87
1
2
3
4
5
6
7
8
9
★
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.
x: NOT USED
O: USED / APPLICABLE
FL DISPLAY
INPUT
SELECTOR
VOLUME
Page 85
to FUNCTION
I7
P
age 85
to FUNCTION
G1
P
age 88
to VIDEO
(5)
E3
P
age 89
to VIDEO
(1)
E4
P
age 85
to FUNCTION
B1
P
age 83
to DSP
D1
1
3
2
6
5
BASS EXTENTION
TONE CONTROL
SCHEMATIC DIAGRAM (OPERATION)
IC801: TC4066BP
Quad Analog Switch/Multiplexer
1
2
3
4
5
6
7
IN/OUT1
OUT/IN1
OUT/IN2
IN/OUT2
CONT2
CONT3
VSS
14
13
12
11
10
9
8
VDD
CONT1
CONT4
IN/OUT4
OUT/IN4
OUT/IN3
IN/OUT3
IC802, 803: NJM2068MD-TE2
Dual OP-Amp.
IC804: NJM4556AL
Dual OP-Amp
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
–
+
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
–
+
6
7
8
P
age 92
to PO
WER (2)
G7
RX-V1300/RX-V1300RDS/HTR-5590/DSP-AX1300
52
Display
controller
Segment
digit
select/
output
circuit
Serial
receive
circuit
Digit
output
circuit
Clock
generator
DIG11/
SEG42
51
DIG12/
SEG41
50
DIG13/
SEG40
49
DIG14/
SEG39
48
DIG15/
SEG38
47
DIG16/
SEG37
46
DIG17/
SEG36
45
SEG35
XOUT
6
Vcc1
8
Vcc2
18
Vss
5
Vp
64
XIN
7
CS
SCK
3
SDATA
4
RESET
1
SEG00
44
9
SEG34
SEG26
17
19
SEG25
Segment
output
circuit
Display code
RAM
(8-bit x 60)
CGROM
(35 bit x 166)
CGROM
(35 bit x 16)
code
select
Code
write
Code/
command
control
circuit
DIG00
63
53
DIG10
IC901: M66003-0101FP
FL Display Driver
2
data
timing
clock
dot data
write
scan pulse
-32.6
-25.5
-25.1
~
~
~
-32.3
~
-32.3
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-32.3
~
-32.3
~
~
-32.3
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-25.1
-25.1
~
~
~
~
~
~
-25.1
5.0
0
4.8
~
~
4.8
~
~
~
~
~
-32.3
~
~
~
-32.3
-32.3
~
~
~
~
~
~
~
~
-32.3
~
~
~
~
~
~
4.8
0
0
0
0.1
4.8
4.4
4.8
~
4.8
~
~
4.8
~
~
4.8
4.8
4.8
4.8
4.4
4.8
4.3
~
~
4.8
~
~
4.8
~
4.8
~
~
~
~
~
~
~
~
~
~
~
~
~
~
4.8
-32.3
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
-32.6
4.2
4.2
0
4.8
4.2
0
3.7
3.7
4.8
-8.3
8.5
8.5
0
0
-8.4
0
0
0
0
0
0
0
-8.3
0
0
-8.3
0
-8.3
0
0
11.0
-11.0
0
0
0
0
0
0
11.0
-11.0
0
0
8.5
8.5
8.5
0
FRONT L
0.7
8.5
0
0
-8.5
-8.5
-9.2
8.5
9.2
0
0
0.7
0
0
0
0
C839
2200P
C840
2200P
TP00385
W801
C971
s15
C970
s15
C970, 971
1000P
US06310
NJM2068MD-TE2
NJM2068MD-TE2
NJM2068MD-TE2
NJM2068MD-TE2