Yamaha rx-v561 Service Manual page 67

A B C
OPERATION 1/2
1
2
3
4
OPERATION (6)
JK261
CB261
3.3
Page 69 I4
5
to MAIN (1)_W103
0
0 0
0 0
6
OPERATION (11)
7
JK201
OPTIMIZER
MIC
8
3
0
2
0
5
7
0
IC202
6
0
4
0
-11.8
9
0
0
10
D E F
-26.4
-21.4
-21.4
-21.4
VFD
-21.6
-21.8
~
IC201
~
~
~
3.3
~
~
-24.9
-26.4
-24.8
-24.7
3.3
3.3
-24.9
-24.9
-24.9
-24.7
-24.8 -24.8
-24.9
3.3
3.2
3.3
0
3.3
0 3.2
0
0
3.2
0 0
3.2
3.2
0
0 3.2
1.9
1.9
1.9
1.9
0
0
1.9
1.9
0
0
12.0
8
1
IC202
0
Page 70 J4
to MAIN (4)_CB191
G H I
3.3
-18.1
-17.3
~
~
~
-19.9
-23.2
-13.3
-15.0
-15.0 -23.3
-17.3
3.3 3.2 0 3.2
3.3
1.5
1.5
0 -18.1
-26.6
3.2 -18.3
3.3
3.3
3.3
Page 64 B7
to DSP_CB408
J K L
Page 66 N10
to DSP_CB603
W2402
OPERATION (9)
OPERATION (8)
W2401
W2004
CB203
OPERATION (10)
W2003
CB204 CB274
IC201: M66003-0131FP-R
18 digit 5 x 7 segment VFD controller/driver
Serial
CS 2 data
SCK 3 receive
circuit
SDATA 4
XIN 7 Clock
generator
XOUT 6
RESET
1
Vcc1 8
Vcc2 18
Vss 5
Vp 64
IC202: AZ4580MTR-E1
Dual low noise operational amplifiers
V
CC
-INPUT
+INPUT
OPERATION (1)
V
EE
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# 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.
M N
RX-V561/HTR-6050
USB
CB241
VIDEO AUX
AUDIO VIDEO
Display code
RAM CGROM
44 SEG00
(8-bit x 60) (35-bit x 166)
Segment 19 SEG25
Code
output
write SEG26
17
circuit
CGROM
dot data 9 SEG34
(35-bit x 16)
write
Code/
command
45 SEG35
control
circuit
DIG11/
52
SEG42
DIG12/
51
SEG41
Segment/
code DIG13/
Digit 50
select SEG40
select/
DIG14/
49
output SEG39
timing Display
clock controller scan pulse circuit DIG15/
48
SEG38
DIG16/
47
SEG37
DIG17/
46
SEG36
63 DIG00
Digit
output
circuit
53 DIG10
OUTPUT
67