Yamaha CRD-HD1300 Service Manual page 38

CDR-HD1300/CDR-HD1300E
QQ
3 7 63 1515 0
IC401 : M66004MAFP-200C (OPERATION P.C.B.)
FL tube driver
CS 14
SCK
15
SDATA
16
TE
L 13942296513
RESET
13
XIN 21
XOUT
20
No. Name
1 DIG11
2 DIG10
3 DIG09
www
4 DIG08
5 DIG07
6 DIG06
.
7 DIG05
8 DIG04
9 DIG03
10 DIG02
38
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Display code
Serial
register
receive
(8-bit x 16)
circuit
Code
write
Code/
command
control
circuit
Display
control
register
Clock
Display
generator
controller
IN/OUT
O Digit output
O Digit output
O Digit output
O Digit output
x ao u163
O Digit output
y
O Digit output
i
O Digit output
O Digit output
O Digit output
O Digit output
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2 9
8
CGROM
(35-bit x 160)
Q Q
3 6 7 1 3 1 5
Segment
output
circuit
CGRAM
(35-bit x 16)
RAM
write
Output
port
(2 bits)
code
select
Digit
output
circuit
Function
co
.
9 4 2 8
SEG00
59
0 5 8 2 9 9 4 2 8
33 SEG26
SEG27
31
23 SEG35
P0
18
17 P1
12 DIG00
1 DIG11
64 DIG12
DIG15
61
m
9 9
9 9