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Yamaha KX-E100 Service Manual page 13

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Pin No.
PORT
I/O
IN
1
P75/AN5
I
Mecha SW1
2
P74/AN4
I
Loading SW
3
P73/AN3
I
Meter L
4
P72/AN2
I
Meter R
5
P71/AN1
I
Operation 2
6
P70/AN0
I
Operation 1
7
P61/CN0,2
O DOLBY-B
8
P60/CN1
O DOLBY-OFF OFF : H
9
P47/INT2
I
AC Pulse
10
RESET
I
Reset
11
P91/XCO
O METAL
12
P90/XCI
O HIGH
13
VSS
GND
14
XIN
4MHz
15
XOUT
4MHz
16
VCC
Vu
17-22
P41-P46
I
(Pull down)
23
P40/INT0
I
Power SW
24
P87/PWM
O REC MUTE
25-27
P84-P86
I
(Pull down)
28
VEE
-22V
29
P83/FL35
I
Power ON
30
P82/FL34
O FL-DIG11
31
P81/FL33
O FL-DIG10
32
P80/FL32
O FL-DIG9
33
P37/FL31
O FL-DIG8
34
P36/FL30
O FL-DIG7
35
P35/FL29
O FL-DIG6
36
P34/FL28
O FL-DIG5
37
P33/FL27
O FL-DIG4
AD INPUT PORT
PIN
NAME
VOLTAGE AREA
6
AN0 (ope 1)
4.58 – 5.00
3.75 – 4.58
2.92 – 3.75
2.10 – 2.92
1.25 – 2.10
0.41 – 1.25
0.00 – 0.41
5
AN1 (ope 2)
4.58 – 5.00
3.75 – 4.58
2.92 – 3.75
2.10 – 2.92
1.25 – 2.10
0.41 – 1.25
0.00 – 0.41
OUT
RESISTOR
AD(PLAY, Half)
PU
AD(IN,OUT)
PU
AD(-30 – +6)
AD(-30 – +6)
AD(FF,REW,REC,COU,EJ)
PU
AD(ST,PL,DIR,DOL,MOD)
PU
B : H
PU
Reset : L
PU
METAL : H
HIGH : H
PD
ON : L
PU
ON : L (PWMControl)
PD
ON : H
ON : H
PD
ON : H
PD
ON : H
PD
ON : H
ON : H
ON : H
ON : H
ON : H
STANDARD VOLTAGE
5.00
4.17
3.34
2.51
1.67
0.83
0.00
5.00
4.17
3.34
2.51
1.67
0.83
0.00
Pin No.
PORT
I/O
IN
38
P32/FL26
O FL-DIG3
39
P31/FL25
O FL-DIG2
40
P30/FL24
O FL-DIG1
41-48
P10-P17
O (Open)
49
P07/FL15
I
(Open)
50
P06/FL14
O FL-SEG7
51
P05/FL13
O FL-SEG6
52
P04/FL12
O FL-SEG5
53
P03/FL11
O FL-SEG4
54
P02/FL10
O FL-SEG3
55
P01/FL9
O FL-SEG2
56
P00/FL8
O FL-SEG1
57-64
P20-P27
I
(Pull down)
65
P57/SC22
I
SYS-IN
66
P56/SC21
O SYS-OUT
67
P55/TD
I
Reel pulse
68
P54/RD
O Solenoid
69
P53/SC12
O Main motor
70
P52/SC11
O Loading
71
P51/SO1
O Loading+
72
P50/SI1
O N/H/M
73
AVSS
GND
74
VREF
+5V
75
P65/AN11
O BIAS
76
P64/AN10
O REC/PB
77
P63/AN9
I
(Pull down)
78
P62/AN8
O LINE MUTE
79
P77/AN7
I
Mecha SW3
80
P76/AN6
I
Mecha SW2
MODE
OFF
MODE
DOLBY
DIREC.
PLAY
STOP
OFF
EJECT
COUN.
REC
REW
FF
KX-E100
OUT
RESISTOR
ON : H
ON : H
ON : H
ON : H
ON : H
ON : H
ON : H
ON : H
ON : H
ON : H
PD
ON : H
PD
ON : H
PD
IN : H
PD
OUT : H
PD
NOR:L,HIGH:M,MET:H
ON : L
PU
PB : L
PD
PD
ON : L
PD
AD(Error erase F,Error erase R)
PU
AD(70,METAL)
PU
E-12/J-10

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