Yamaha RX-V559 Service Manual page 85

A B C
OPERATION RX-V559/DSP-AX559
1
2
D3015 VU99500 VU99500 VU99470
MA8091-M9.1V MA8091-M9.1V MA8082-H8.5V MA8091-M9.1V
3
4
-27.5
-21.0
5 -12.8
-27.7
-25.1
-22.8
-18.2
-20.2
-12.6
-15.1
5.0
-12.8
-20.4
-26.5
-11.3
-14.8
-26.4 5.0
5.0
-26.5
-26.5
-26.5 -26.5
6
-26.5
-26.3
0.1 0.1
7
8
OPERATION (1)
9
10
D E F
VU99500 VU99500 VU99500 VU99500
MA8091-M9.1V MA8091-M9.1V MA8091-M9.1V
5.0
-19.0
-18.3
-28.3
-24.2
-14.8
-24.2
-13.0
-14.9
-15.1
-19.0
5.0
5.0
2.2
FL DRIVER 2.2
-19.1
0
4.9 -18.9
4.9
4.9
4.9
5.2
5.2 5.0
4.8 5.0
4.8 5.0
5.2 5.0
Page 81 B5
to DSP_CB5 to FUNCTION (1)_CB205
G H
OPERATION (2)
to TRANSFORMER
4.8
OPERATION (6)
OPERATION (3)
Page 84 E7
I J K
to POWER CABLE
5.2
~
~
220K
5.0
~
~
~
4.9
0 5.0 5.0
~ ~
~
0.2
0 5.0
~
0.2 ~
0
0 ~
~ ~
~ ~
0 0 ~ ~ ~
~
~ ~
~
0 0.9 0.9
~
4.8 0.8
~ 0
0.1
Page 87 H8
to MAIN (1)_W1029
0 0
0 0
0 0
0 0
OPERATION (5)
# 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.
L M N
RX-V559/HTR-5950/DSP-AX559
U, C, T, K, A, G, J models
to POWER TRANSFORMER
Page 84 J9
R, L models
to FUNCTION (3)_W3005A,W3005B
~
~
AC7.9
~
0
~ ~
10.1
10.1
0.1 10.1
OPERATION (4)
IC301 : M66003-0131FP
FL display driver
Display code
CGROM
RAM
(35 bit x 166) 44 SEG00
(8-bit x 60)
Segment 19 SEG25
Code
write output
17 SEG26
circuit
CGROM
CS 2 Serial dot data 9 SEG34
data (35 bit x 16)
receive write
SCK 3
Code/
SDATA 4 circuit
command
control 45 SEG35
circuit
DIG11/
52
SEG42
DIG12/
51
SEG41
code
Segment DIG13/
select 50
digit SEG40
select/ DIG14/
XIN 7 49
Clock output SEG39
timing Display
generator circuit DIG15/
clock controller scan pulse
XOUT 6 48
SEG38
DIG16/
47
SEG37
DIG17/
46
SEG36
63 DIG00
Digit
RESET 1 output
circuit
Vcc1 8
53 DIG10
Vcc2 18
Vss 5
Vp 64
IC302 : TC4013BP
Dual D-type flip flop
RESET1 4
SET1 6
1 Q1
DATA1 5
2 Q1
CL CL
CL
CL
3
CLOCK1 CL
CL
RESET2 10
8
SET2 13 Q2
DATA2 9
12
Q2
CL
CL
CL
CL
CLOCK2 11 CL
CL
7
VSS
VDD 14
85