Sharp MD-X60 Service Manual page 76

MD-X60
IC901 RH-iX2757AFZZ:System Control Micon (2/4)
Pin No. Terminal Name
27 TRAY MOTOR
28 FLD RESET
29 CAM SW1
30 CAM SW2
31 CAM SW3
32 CAM SW4
33 CAM SW-A
34 CAM SW-B
35 CAM SW-C
36 CAM SW-D
37 –
38 MAIN CLK
39 MAIN CLK
40 –
41 SUB CLK
42 SUB CLK
43 RESET
44 RX IN
45 PROTECT
46 NAME IN
47 SPEANA-A
48 SPEANA-B
49 SPEANA-C
50 DSTB
51 –
52 –
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name Input/Output
P94 Output
P95 Output
P120/RTP0 Input
P121/RTP1 Input
P122/RTP2 Input
P123/RTP3 Input
P124/RTP4 Input
P125/RTP5 Input
P126/RTP6 Input
P127/RTP7 Input
VDD –
X2 –
X1 Input
VSS –
XT2 –
XT1 Input
RESET Input
P00/INTP0 Input
P01/INTP1 Input
P02/INTP2 Input
NM1
P03/INTP3 Output
P04/INTP4 Output
P05/INTP5 Output
P06/INTP6 Input
AVDD –
AVREFO Input
Setting
Active
in Reset
Level
L H TA7291S IN1 control. Refer to the true value table.
For Nch open drain, the external pull-up is required
IN1
L L Reset output to M35500AFP/M66004FP
L – Detection input of cam SW1 to cam SW4
L: SW ON H: SW OFF
L – 14 cam positions (drum positions) are detected by using the
combination of SW1 to 4.
L –
L _
H – Main tray OPEN completion detection SW input
H: SW OFF (OPEN completion state)
L: SW ON (other state)
The CLOSE function is given with this SW when the tray lid is
pressed.Main tray OPEN completion detection SW input
L – Main tray CLOSE completion detection SW input
L: SW ON (CLOSE completion state)
H: SW OFF (other state)
L – Sub-tray storage completion detection SW input
L: SW ON (storage completion state)
H: SW OFF (other state)
H – Sub-tray SET completion detection SW input
H: SW OFF (SET completion state)
L: SW ON (other state)
– – Connected to VDD
– – 6 Mhz sera-lock
– – 6 Mhz sera-lock
– – Ground potential To be connected to VSS
– – 32.768 kHz crystal
– – 32.768 kHz crystal
L H Reset input
L H Remote control input
L H POWER AMP state abnormal detection input.
Abnormal sate: L
L H TEXT input from external MD
L/H L Control of MPX part of BA3835S
L/H L
L/H L
L/H L Strobe input from MD microcomputer. Interruption input
– – A/D converter analog power supply. To be connected to VDD
– – A/D converter reference voltage input. To be connected
toVDD..
– 76 –
Function
INPUT OUTPUT
IN2 OUT1 OUT2
∞ ∞
0 0
1 0 H L CW(FORWARD)
0 1 L H CCW(REVERSE)
1 1 L L
BA3835S
A B C AOUT
L L L
L L H 105Hz
L H L 340Hz
L H H
H L L
H L H
H H L 3.4kHz
H H H 10.5kHz
MODE
STOP
BRAKE
GND
GND
1kHz
GND