Sharp MD-C2 Service Manual page 78

MD-C2
ICF01 RH-iX0265AW00:System Control Microcomputer (iX0265AW) (2/3)
Pin No. Terminal Name
51* HI-VOLT P15
52 V-LOAD2 P14
53 V-LOAD1 P13
54 POWER P12
55 SP-RELAY P11
56 FAN MOTOR P10
57* – P07
58* – P06
59* – P05
60* – P04
61* – P03
62* – P02
63* – P01
64* – P00
65 P. B. MUT P37
66 REC MUT P36
67 PB/REC P35
68 BIAS P34
69* BEET CUT P33
70 MOTOR P32
71 TAPE-SOL P31
72* – P30
73* – P97
74* – P96
75* – P95
76* – P94
77* – P93
78* – P92
79* – P91
80* – P90
81 RUN-PULSE P87
82 FP-SW P86
83 CAM-SW P85
84 – P84
85 – P83
86 – P82
87* ROM-DE P81
88* ROM-CK P80
89* ROM-DI PA7
90 ROM-DO PA6
91 – Vcc
92 DEMO/STAND PA5
93* CD-HI PA4
94 UP/DN-SW PA3
95 D NO-SW PA2
96 OP/CL-SW PA1
97 PU IN-SW PA0
98 Vee –
99 Arss –
100 Aref –
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Active
Port Name Input/Output
Level
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Output
Output
Output
Input
–
Input
Output
Input
Input
Input
Input
–
–
–
Setting
in Reset
– L TUNER AM : "L"
– L –
– L "H" : 5V, "L" : 6.5V
– L STANDBY : "L", others : "H"
– L "H" : RELAY "ON"
– L "H" : MOTOR "ON"
– – –
– – –
– – –
– – –
– L –
– L –
– L –
– L –
H L TAPE control
H L TAPE control
– L TAPE control
– L TAPE control
– L TAPE control
H L TAPE control
H L TAPE control
– – –
– L –
– – –
– – –
– – –
– L –
– – –
– L –
– L –
– – TAPE RUN-PULSE
– – Write-protection switch
– – –
– – TUNER destination setting
– – TUNER destination setting
– – TUNER destination setting
– L For sending and receiving RDS data storage memory
– L For sending and receiving RDS data storage memory
– L For sending and receiving RDS data storage memory
– – For sending and receiving RDS data storage memory
– – –
– – "H" : STANDBY start
– L CD double speed : "H"
L – CD changer detection SW
L – Disc number detection SW
L – Tray open/close detection SW
L – Inner radius : "L"
– – –
– – –
– – –
– 78 –
Function