Yamaha rx-v561 Service Manual page 42

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RX-V561/HTR-6050
IC201: M66003-0131FP-R (OPERATION P.C.B.)
18 digit 5x7 segment VFD controller/driver
42
Display code
RAM
(8-bit x 60)
Code
write
Serial
CS
2
data
receive
SCK
3
Code/
circuit
SDATA
4
command
control
circuit
XIN
7
Clock
Display
timing
generator
clock
controller
XOUT
6
RESET
1
Vcc1
8
Vcc2
18
Vss
5
Vp
64
RESET
CS
SCK
SDATA
Vss
XOUT
XIN
Vcc1
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
CGROM
44
(35-bit x 166)
Segment
19
output
17
circuit
CGROM
9
dot data
(35-bit x 16)
write
45
52
51
Segment/
code
50
Digit
select
select/
49
output
circuit
scan pulse
48
47
46
63
Digit
output
circuit
53
DIG15/SEG38
DIG16/SEG37
DIG17/SEG36
SEG35
SEG00
SEG01
SEG02
SEG03
SEG04
SEG05
SEG06
SEG07
SEG08
SEG09
SEG10
SEG11
SEG00
SEG25
SEG26
SEG34
SEG35
DIG11/
SEG42
DIG12/
SEG41
DIG13/
SEG40
DIG14/
SEG39
DIG15/
SEG38
DIG16/
SEG37
DIG17/
SEG36
DIG00
DIG10

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