Service manual
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
RX-V559/HTR-5950/DSP-AX559
85
★ 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.
OPERATION RX-V559/DSP-AX559
4.8 0.8
0
0.1
4.9
5.0 5.0
5.0
0
0
0
0
0.2
0.2
~
~
~
~
0
0.9
0.9
10.1
0.1 10.1
10.1
0
~
~
5.0
5.2
0
0
00
~
~
~~
~
~
~~
~
~
~
~
~~
~
~
~
~
~
~
~
~
~
AC7.9
0
0
0
0
0
0
0
0
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.5
-26.3
-26.4
-21.1
-21.1
-14.8
-11.3
-20.4
-12.8
-15.1
-12.6
-20.4
-18.2
-22.8
-25.1
-27.7
-12.8
-21.0
-27.5
-22.7
-27.9
-11.4
-19.6
-21.5
-18.9
-21.8
-12.0
-18.0
-26.2
-23.8
-24.4
-10.6
-14.2
-28.4
-28.3
-24.2
-14.8
-24.2
-13.0
-14.9
-15.1
-18.3
-21.1
-21.1
-25.1 -21.6-28.7 -25.1
5.0
-19.0
-18.3
5.0
-19.1
-18.9
4.85.2
5.05.2
5.05.2
5.04.8
5.04.8
0.10.1
0
5.2
5.2
5.0
-26.4
-26.5
5.0
-26.5
-26.5
5.0
-26.3
-26.5
-26.5
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-26.6
-28.7
-22.7
-27.9
-11.4
-19.6
-21.5
-19.1
-21.8
-12.0
-18.0
-26.2
-23.8
-24.4
-11.6
-14.2
5.0
-28.4
-27.5
-21.0
-12.8
-27.7
-25.1
-22.8
-18.2
-20.2
-12.6
-15.1
-12.8
-20.4
-11.3
-14.8
-26.5
-26.5
-28.3
-24.2
-14.8
-24.2
-13.0
-14.9
-15.1
-19.0
5.0
2.2
2.2
0
4.9
4.9
4.9
4.9
00
00
05.0
to DSP_CB5
Page 81
B5
to FUNCTION (1)_CB205
Page 84 E7
to FUNCTION (3)_W3005A,W3005B
R, L models
U, C, T, K, A, G, J models
Page 84
J9
to POWER TRANSFORMER
to FUNCTION (1)_CB203
Page 84
E2
to POWER CABLE
to DSP_CB3
Page 81
B8
to MAIN (1)_W1029
Page 87
H8
to TRANSFORMER
OPERATION (3)
OPERATION (1)
OPERATION (5)
OPERATION (4)
OPERATION (6)
OPERATION (2)
FL DRIVER
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
IC301 : M66003-0131FP
FL display driver
2
data
timing
clock
dot data
write
scan pulse
IC302 : TC4013BP
Dual D-type flip flop
4
RESET1
1
Q1
6
SET1
5
DATA1
CL
3
CLOCK1
CL
CL
CL
CL
CL
2
Q1
10
RESET2
13
Q2
8
SET2
9
DATA2
7
VSS
14
VDD
11
CLOCK2
12
Q2
CL
CL
CL
CL
CL
CL
D3015
VU99500
MA8091-M9.1V
VU99500
MA8091-M9.1V
VU99500
MA8091-M9.1V
VU99500
MA8091-M9.1V
VU99500
MA8091-M9.1V
VU99500
MA8091-M9.1V
VU99470
MA8082-H8.5V
220K
6800P6800P