28
CDP-CE275/CE375
• MAIN BOARD IC301 CXP82532-013Q
(SYSTEM CONTROLLER, FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)
Pin No.
Pin Name
I/O
Description
1
BUSIN
I
Sircs remote control signal input terminal Not used (pull up)
2
RMIN
I
Remote control signal input from the remote control receiver (IC802)
3
NC
I
Not used (open)
4
XLT
O
Serial data latch pulse signal output to the CXD2587Q (IC101)
5
LDON
O
Laser diode ON/OFF output
6
TSENS
I/O
Detect signal input from the table sensor (D10)
7
DA CS
I/O
DA CS
8
CLK
I/O
Serial data transfer clock signal output to the CXD2587Q (IC101)
9
LDON/RW
I/O
Laser diode ON/OFF output
10
DATA
I/O
Serial data output to the CXD2587Q (IC101)
11
SQCK
I/O
Sub-code Q data reading clock signal output to the CXD2587Q (IC101)
12
SUBQ
I/O
Sub-code Q data signal input from the CXD2587Q (IC101)
13
NC
O
Not used (open)
14
OUT SW
I/O
Detect signal input from the open/close detect switch (S11)
15
S1
I/O
Detect signal input from the tray address detect switch (S200)
16
S2
I/O
Detect signal input from the tray address detect switch (S200)
17
NC
I/O
Not used (open)
18
TBLL
I/O
Table motor drive signal (counterclockwise) output to the BA6780 (IC11)
19
TBLR
I/O
Table motor drive signal (clockwise) output to the BA6780 (IC11)
20
LD IN
I/O
Loading motor (M11) drive signal output to the BA6780 (IC11) *1
21
LD OUT
I/O
Loading motor (M11) drive signal output to the BA6780 (IC11) *1
22
NC
I/O
Not used (open)
23
NC
I/O
Not used (open)
24
TEST
I/O
Key input terminal (A/D input)
25
KEY3
I/O
Key input terminal (A/D input) (S812 to S816)
26
KEY4
I/O
Key input terminal (A/D input) (S817 to S821)
27
KEY5
I/O
Key input terminal (A/D input) (S806 to S810)
28
KEY6
I/O
Key input terminal (A/D input) (S801 to S805)
29
NC
I/O
Not used (open)
30
RST
I/O
System reset signal input from the reset signal generator (IC601) “L”:reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
EXTAL
I
Main system clock input terminal (10 MHz)
32
XTAL
O
Main system clock output terminal (10 MHz)
33
VSS
—
Ground terminal
34
NC
O
Not used (open)
35
NC
O
Not used (open)
36
NC
O
Not used (open)
37
NC
O
Not used (open)
*1 Loading motor (M11) control
Operation
OFF
OFF
IN BRAKE
Terminal
LOAD IN (pin
@º
)
“L”
“L”
“H”
“H”
LOAD OUT (pin
@¡
)
“L”
“H”
“L”
“H”
