Yamaha RX-V461 Service Manual page 46

RX-V461/HTR-6040/RX-V461DAB
QQ
3 7 63 1515 0
IC201: M66003-0131FP-R (OPERATION P.C.B.)
18 digit 5x7 segment VFD controller/driver
TE
L 13942296513
www
.
46
http://www.xiaoyu163.com
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
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
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
Q Q
3 6 7 1 3 1 5
DIG15/SEG38
DIG16/SEG37
DIG17/SEG36
SEG35
SEG00
SEG01
SEG02
SEG03
SEG04
SEG05
SEG06
SEG07
SEG08
SEG09
SEG10
SEG11
co
.
9 4 2 8
SEG00
SEG25
SEG26
SEG34
SEG35
DIG11/
SEG42
DIG12/
SEG41
DIG13/
SEG40
DIG14/
SEG39
DIG15/
SEG38
DIG16/
SEG37
DIG17/
SEG36
DIG00
DIG10
0 5 8 2 9 9 4 2 8
m
9 9
9 9