CD-323M(K) COVER1,1p( 98.11.26 5:01 PM y[W 7
CD-323M/324M/DPF-J5020
CIRCUIT DESCRIPTION
1-2 Microprocessor pin description (X32, IC8)
Pin No.Pin NameI/ODescription
1A16ONo connection.
2A17ONo connection.
2NC�No connection.
3S3-SWIMechanism address detector switch.
4S2-SWIMechanism address detector switch.
5RDOSRAM read strobe.
6WROSRAM write strobe
7S1-SWIMechanism address detector switch.
8ASTB(CE)ONo connection.
9VDD�Power supply (+5V).
10+5VPULODisc sensor PWM output.
11RTRNONo connection.
12RWRONo connection.
13RWRRONo connection.
14-21L-D0-D7ONo connection.
22TEST�GND.
23DISC-SWIDisc sensor.
24ROTARY-CWOMechanism rotary motor (+).H : CCW
25ROTARY-CCWOMechanism rotary motor (-).H : CW
26LOADM+1OLoading motor (+) for main pickup.
27LOADM-1OLoading motor (-) for main pickup.
28LOAD-SW1ILoading switch for main pickup.
29UNLOAD-SW1IUnloading switch for main pickup.
30CSOSRAM CS.
31MONOControl port of poor focus works.
32SCLKOSens serial data read clock.
33SENSISENS signal input.
34CLOCKOSerial data clock.
35XLATOCXD2587Q latch.
36DATAOSerial data output.
37VDD�Power supply (+5V).
38, 39X1, 2�Main system clock (12.5MHz).
40VSS�GND.
41XT2�No connection.
42XT1IGND.
43RESETISystem reset signal input.
44SCORISub code synchro detection.
45MUTEGOMuting control output.H : MUTE ON.
46STB2ONo connection.
47IC RESETOIC reset.
48RMUTEOAnalog mute.L : MUTE ON.
49SDATAI/OSerial data signal I/O.
50SBUSYI/OSerial busy signal I/O.
51AVDD�Power supply(+5V).
52AVREF�A/D reference power supply.
53A/D0IModel selector.
548/16I8/16 bit selector. H:16bit.
55JOG2IEncoder signal A input.
4 |
ACEC
