57
CDX-5V661/5V661A/5V661D/5V661S
4-15.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC801 HD6432357M05F (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
K3
I
Key input terminal S5, S6 (3) “L”: active
2
K4
I
Key input terminal S7, S8 (4) “L”: active
3
GND
—
Ground terminal
4
NC
—
Not used (open)
5
VCC
—
Power supply terminal (+3.3V)
6
K5
I
Key input terminal S9, S10 (5) “L”: active
7
K6
I
Key input terminal S11, S12 (6) “L”: active
8
K LOAD
I
LOAD key input terminal S13, S14 (LOAD) “L”: active
9
K EJECT
I
EJECT key input terminal S15, S16 (EJECT) “L”: active
10
GND
—
Ground terminal
11
SW1–6
O
LED drive signal output to the front panel 1 to 6 key LEDS (1 to 6) “H”: LED on
12
SWLOAD
O
LED drive signal output to the front panel LOAD key (LOAD) “H”: LED on
13
SWEJECT
O
LED drive signal output to the front panel EJECT key (EJECT) “H”: LED on
14
IND1
O
LED drive signal output to the front panel (disc address 1) “H”: LED on
15
IND2
O
LED drive signal output to the front panel (disc address 2) “H”: LED on
16
IND3
O
LED drive signal output to the front panel (disc address 3) “H”: LED on
17
IND4
O
LED drive signal output to the front panel (disc address 4) “H”: LED on
18
IND5
O
LED drive signal output to the front panel (disc address 5) “H”: LED on
19
GND
—
Ground terminal
20
IND6
O
LED drive signal output to the front panel (disc address 6) “H”: LED on
21
INDSLOT
O
LED drive signal output to the front panel (disc slot) “H”: LED on
22
DSTC R
I
Disc chucking end/save end detect switch input terminal (right)
(When completion of the disc chucking/save operation)
23
DSZ
I
Disc size detection signal input terminal
24
DSTC L
I
Disc chucking end/save end detect switch input terminal (left)
(When completion of the disc chucking/save operation)
25
S SCL
I
Shutter close detect switch input terminal
26
EECKO
O
Serial clock signal output to the EEPROM (IC810)
27
EESIO
I/O
Two-way serial data bus with the EEPROM (IC810)
—
Ground terminal
I
Optical pick-up block address detect sensor input terminal
I
Optical pick-up home position detect switch input terminal
I
Subcode sync (SO + SI) detect signal input from the CXD3027R (IC601)
I
Subcode sync (SO + SI) detect signal input from the D-RAM controller section on the
CXD3027R (IC601)
I
Lever (op) SW (play position) detect switch input terminal “L”: Active
I
Back-up sens input terminal “6.5V”: Voltage low detect
—
Ground terminal
36
GND
—
Ground terminal
37
WAKEUP
I
Wake-up input terminal “L”: ACC on
38
KEYACK
I
Input of acknowledge signal for the key entry On at input of “H”
39
VDD
I
Power supply terminal (+3.3V)
40
OPH
I
Lever (op) SW (home position) detection input terminal
41
LMT IN
I
Sled limit in detect switch input terminal “L”: When the optical pick-up is inner position
42
FOLOCK
O
Lens focus lock signal output terminal
43
R/RW SW
O
CD-ROM/CD-RW select signal output to the CXA2581N (IC201) “L”: RW, “H”: ROM
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