Yamaha CDR-HD1500 Service Manual page 39

Hdd/cd recorder
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IC401 : M66005-0141AFP (OPERATION P.C.B.)
FL tube driver
No.
Name
11
DIG01
12
DIG00
13
/RESET
14
/CS
15
SCK
16
SDATA
17
P1
18
P0
19
VCC1
20
XOUT
21
XIN
22
VSS
23
SEG35
24
SEG34
25
SEG33
26
SEG32
27
SEG31
28
SEG30
29
SEG29
30
SEG28
31
SEG27
32
VP
33
SEG26
34
SEG25
35
SEG24
36
SEG23
37
SEG22
38
SEG21
39
SEG20
40
SEG19
41
SEG18
42
SEG17
43
SEG16
44
SEG15
45
SEG14
46
SEG13
47
SEG12
48
SEG11
49
SEG10
50
SEG09
51
SEG08
52
SEG07
53
SEG06
54
SEG05
55
SEG04
56
SEG03
57
SEG02
58
SEG01
59
SEG00
60
VCC2
61
DIG15
62
DIG14
63
DIG13
64
DIG12
IN/OUT
O
Digit output
O
Digit output
I
Reset input
I
Chip select input
I
Shift clock input
I
Serial data input
I/O
Universal port
O
Universal port
Positive power supply for internal logic
O
Clock output
I
Clock input
GND (0V)
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
Negative power supply to pull down
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
O
Segment output
Positive power supply for DIG and SEG outputs
O
Digit output
O
Digit output
O
Digit output
O
Digit output
Function
CDR-HD1500
39

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