Brother LX-300 Service Manual page 111

Port
P07
P06
P05
P04
P03
P02
P01
P00
P17
P16
P15
P14
P13 (DVO)
P12
P11 (INT1)
P10
P23
P22
P21
P20
P36
P35
P34
P33
P32
P31
P30
P47
P46
P45
P44
P43
P42
P41
P40
P54
P53
P52
P51
P50
P67
P66
P65
Table 5.3-1 CPU I/O Map
Pin No.
72
71
70
69
68
67
66
65
24
23
22
21
20
19
18
17
80
5
6
8
79 OUT (30mA)
78 OUT (30mA)
77 OUT (30mA)
76 OUT (30mA)
75 OUT (30mA)
74 OUT (30mA)
73 OUT (30mA)
48
47
46
45
44
43
42
41
29
28
27
26
25
37
36
35
5-5
I/O
OUT N.C.
OUT LF CURRENT SWITCH 0
OUT LF CURRENT SWITCH 1
OUT LF MOTOR PHASE /A
OUT LF MOTOR PHASE A
OUT LF MOTOR PHASE /B
OUT LF MOTOR PHASE B
OUT LF CURRENT SWITCH 2
IN TPS
IN COV
IN TR-G
IN CASSETTE SIZE A3
OUT BUZZER
OUT N.C.
OUT N.C.
OUT N.C.
IN X-CUT2
IN X-CUT1
IN N.C.
IN CASSETTE SIZE A4
ENC1-LED
ENC-LED
LED 1
LED 2
PST-LED
YCA-LED
LED 4
OUT SG MOTOR PHASE A
OUT SG MOTOR PHASE B
OUT SG MOTOR PHASE C
OUT SG MOTOR PHASE D
OUT YA MOTOR PHASE A
OUT YA MOTOR PHASE B
OUT YA MOTOR PHASE C
OUT YA MOTOR PHASE D
OUT YA MOTOR HIGH VOLT
OUT SG MOTOR HIGH VOLT
OUT LED 3
IN ON/OFF SWITCH 1
IN ON/OFF SWITCH 2
OUT DC-IN4
OUT DC-IN3
OUT DC-IN2