Pin
Mark
I/O
No.
Division
33
SCTSY
I
34
CFSYNC
I
35 OPENSW
I
36
LCD
O
DATA
37
—
—
38
LCD CK
I
39
DEBUG
O
40 DOCTOR
O
41
NC
—
42 CHARGE1
O
43
NRECP
O
44
EEPCS
O
45
EEPCK
O
46 EEPDATA0
O
47 EEPDATAI
I
48
PLAY
I
KEY
49
REC
I
KEY
50
DC IN
I
WAKEUP
51
REG
I
52
MHEAD
I
UP
53 PROTECT
I
Function
ADIP/sub A synchronize
signal from IC101 input
terminal
MDA synchronize signal
from IC101 input trminal
(11.6ms pulse)
Disc cover open/close
switch det. input terminal
("H":open, "L":close)
LCD driver data output
terminal
Connected to GND
LCD driver clock input
terminal
Micro computer debug
output terminal (Not used,
open)
Doctor mode input terminal
Not used, open
Recharging control output
terminal
Track jump det. output
terminal
EEPROM chip select
output terminal
EEPROM clock output
terminal
EEPROM data output
terminal
EEPROM data input
terminal
PLAY/PAUSE KEY input
terminal
REC/PAUSE KEY input
terminal
DC IN wake up input
terminal
Area selection input
terminal
Magnetic head down input
terminal
Erase prevention switch
input terminal
46