Pin
No.
Mark
I/O
Division
Function
22
SSDR
I
Read data input terminal
for CPU interface
23
SSCLK
O
Clock output terminal for
CPU interface
24
BUZZER
O
Confirmation tone output
terminal
25
RST
I
Reset signal input terminal
26
CFSYNC
I
Synchronize signal input
terminal for CPU interface
27
SELAD
O
Address select output
terminal for CPU interface
28
—
—
Not used, open
29
MDISY
I
Reader synchronize signal
input terminal
30
LD PWM
O
Laser power controlling
PWM output terminal
31
DCIN
WAKEUP
I
Charger wakeup detection
signal input terminal
32
NRQ
I
Microprocessor service
request input terminal
33 MDASCSY
I
MDA service selector
signal input terminal
34
OPEN
SW
I
Lid open detection input
terminal (H:Open)
35
SCTSY
I
ADIP synchronize signal
input terminal
36~42
—
—
Not used, open
43 CHARGE1
O
Recharging control output
terminal
44~46
—
—
Not used, open
47
HOLD
I
HOLD SW input terminal (L:
HOLD)
48
PLAY
KEY
I
PLAY PAUSE KEY input/
wake up input terminal
49
REM
KEY
WAKEUP
I
REM KEY input/micro
computer wake up input
terminal
50 DOCTOR
I
Process inspection mode
input terminal (L:Process
inspection) (pulled up to V
DD via resistor)
50
Summary of Contents for SJ-MJ88
Page 6: ...Fig 1 Fig 2 4 2 Grounding for electrostatic breakdown prevention 1 Human body grounding 6 ...
Page 9: ...9 ...
Page 10: ... Check the P C B as shown below 10 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 16: ...5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 16 ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 19: ...19 ...
Page 21: ...21 ...
Page 22: ...22 ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 30: ...Fig 9 30 ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 ...
Page 40: ...40 ...
Page 41: ...8 Schematic Diagram Notes 8 1 Type Illustration of IC s Transistors and Diodes 41 ...