Specifications

A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
81
RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450
SCHEMATIC DIAGRAM (OPERATION)
★ All voltages are measured with a 10MΩ/V DC electronic 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.
★ 電圧は、内部抵抗10MΩの電圧計で測定したものです。
★
s 印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、パーツリス
トに記載されている部品を使用してください。
★ 本回路図は標準回路図です。改良のため予告なく変更することがございます。
RX-V450/HTR-5740/DSP-AX450
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
IC801: M66003-0101FP
FL Display Driver
2
data
timing
clock
dot data
write
scan pulse
HTR-5750
-22.0
-22.0
-20.1
-22.1
-26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1
-22.1
-20.5 -20.5 -26.0 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.1 -26.0 -26.0 -25.8 -22.1 -22.0 -22.0 -22.0 -20.1 -24.1 -24.1 -24.1 -20.1 -20.3 -20.2 -22.0 -22.1 -20.5 -20.5 -22.1 -22.1 -22.1 -24.0 -20.2 -16.0 -22.1 -18.1 -24.0 -18.1 -18.1 -18.2 -16.3 -16.3 -14.4 -16.2 -26.0 -26.0 ~ ~ -18.2 -18.2 -18.2 -20.1 -24.1
-22.1 -22.0
4.8
-20.1 -20.1 -20.2 -18.1 -18.1 -14.4 -24.0 -24.1 -16.2 -16.3 -16.3
~
-26.1 -26.1 -26.1 -26.1 -26.1 -26.0 -26.0 -24.0
~
4.8
4.8
4.8
4.8
4.8
4.8
4.8
~~
-18.2 -20.3
4.8
4.8
~
~
-18.1 -16.0
-24.0
0
0
0
0
0
0
0
0
0
4.7
0
0
0
0
-22.5
-20.8
4.8
2.1
2.1
4.8
~
0
-25.8
0
0
5.1
5.1
-26.0
4.8
-22.0
-24.1
-24.1
-24.1
-22.1
-22.1
-22.1
~
-26.0
-18.2
-18.2
-18.2
~
~
~
~
~
~
-26.0
FL DRIVER
FL DISPLAY
I2
Page 79
to FUNCTION (2)
J10
to Power Transformer
x: NOT USED
O: USED / APPLICABLE
Page 78
to FUNCTION (1)
L3
to FUNCTION (1)
Page 78