Sharp CD-C472 Service Manual page 43

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IC701 RH-iX0192AWZZ:System Microcomputer (IX0192AW) (2/2)
Pin No.
Port Name
56
P124
TAPE1 RUN PULSE
57
P123
TAPE MECHA STOP
58-60
P122-P120
P-NOR•PASS
61-70
FIP25-16
FL DRIVER
71
VLOAD
VLOAD
72-77
FIP15-FIP10 FL DRIVER
78*
P97
79,80
FIP8,FIP7
FL DRIVER
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
CONNECT WITH VDD
TAPE BIAS
TAPE REC
T1/T2
CD DSP WRQ
CD DSP RWC
CD DSP CQCK
CD DSP COIN
CD DSP SQOUT
RESET INPUT
CD DSP RES
CD T.T OPEN/CLOSE
CONNECT WITH GND
CD UP/DOWN DISC NO
T2 RUN PLSE
Lch INPUT
Rch INPUT
Terminal Name
Input/Output
Input
Input
Output
Output
Output
Output
Output
Output
FL DRIVER
DIGIT
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
FIP6
1
FIP5
2
FIP4
3
FIP3
4
FIP2
5
FIP1
6
FIP0
7
V
DD
8
P27
9
P26
10
P25
11
P24
12
P23
13
SCK1
14
SO1
15
SI1
16
RESET 17
P74
18
P73
19
AVSS
20
AN17
21
AN16
22
AN15
23
AN14
24
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Figure 43 BLOCK DIAGRAM OF IC
CD-C472/C3400/C3400C/C3800/C3800C
TAPE1 Run pluse
Tape mecha up state: L
LED drive output
Segment Output
Connect with VPP
Segment Output
Not connect
Segment Output
FL DRIVER
SEGMENT
IX0192QW
(µPD78045)
– 43 –
FL DRIVER
SEGMENT
FIP22
64
FIP23
63
FIP24
62
FIP25
61
P120
60
PASS
P121
59
NORMAL
P122
58
PHANTOM
P123
57
TAPE MECHA STOP
P124
56
T1 RUN PLSE
P125
55
TAPE F.P.
P126
54
RMUTE
P127
53
MIC MUTE
V
DD
52
CONNECT WITH VDD
P70
51
TAPE MOTOR
P71
50
TAPE SOL.
P72
49
FMUTE
IC
48
CONNECT WITH GND
INTP0
47
REMOCON INPUT
INTP1
46
SYSTEM STOP
P02
45
CMUTE
P03
44
POWER
P30
43
CD SL-
P31
42
CD SL+
P32
41
CD PUIN

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