Pin No.
Pin Name
I/O
Description
1*
A16
O
No connection.
1
A2
O
Address buss of SRAM.
2*
A17
O
No connection.
2
NC
–
No connection.
3
S3-SW
I
Mechanism address detector switch.
4
S2-SW
I
Mechanism address detector switch.
5
RD
O
SRAM read strobe.
6
WR
O
SRAM write strobe
7
S1-SW
I
Mechanism address detector switch.
8
ASTB
O
No connection.
9
VDD
–
Power supply (+5V).
10
+5VPUL
O
Disc sensor PWM output.
11*
RTRN
O
No connection.
11
RTRN
I
TX permission data to remote control microprocessor.
12*
RWR
O
No connection.
12
RWR
I
Reading data of remote control microprocessor.
13*
RWRR
O
No connection.
13
RWRR
O
TX request data to remote control microprocessor.
14-21*
L-D0-D7
O
No connection.
14-21
L-D7-D0
O
Data output to remote control microprocessor.
22
TEST
–
GND.
23
DISC-SW
I
Disc sensor.
24
ROTARY-CW
O
Mechanism rotary motor (+).
H : CCW
25
ROTARY-CCW
O
Mechanism rotary motor (-).
H : CW
26
LOADM+1
O
Loading motor (+) for main pickup.
27
LOADM-1
O
Loading motor (-) for main pickup.
28
LOAD-SW1
I
Loading switch for main pickup.
29
UNLOAD-SW1
I
Unloading switch for main pickup.
30
CE/CS
O
Chip selector
O
Control port of poor focus works.
O
Sens serial data read clock.
I
SENS signal input.
O
Serial data clock.
O
CXD2587Q latch.
O
Serial data output.
–
Power supply (+5V).
–
Main system clock (12.5MHz).
–
GND.
–
No connection.
42
XT1
I
GND.
43
RESET
I
System reset signal input.
44
SCOR
I
Sub code synchro detection.
45
MUTEG
O
Muting control output.
H : MUTE ON.
46
STB2
O
Strobe signal output to dot driver2 (DPF-J9010 only).
47
IC RESET
O
IC reset.
48
RMUTE
O
Analog mute.
L : MUTE ON.
CD-223M/224M/DPF-J3010/J5010
6
CIRCUIT DESCRIPTION
1-2 Pin description
* CD-223M/224M/DPF-J3010/J5010
CD-223M/DPF-J3010(K)
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