Onkyo DXC390 - CD Changer, Service Manual, Page: 33 / 63

DX-C390
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q103 : CXD3068Q DIGITAL SIGNAL PROCESSOR-2
PIN DESCRIPTION
No. SIGN I/O DESCRIPTION
1 DV
DD
0 - Di ital ower su l terminal.
2 XRST I System reset pin. L= Reset
3 MUTE I Mute input pin. H= Mute
4 DATA I Serial data input pin from CPU.
5 XLAT I Latch signal input pin from CPU.
6 CLOK I The clock input pin for transmission of serial data.
7 SENS O SENS signal output pin for CPU.
8 SCLK I The clock input for reading of serial data.
9 ATSK I/O Input/ output pin for anti-shock.
10 WFCK O WFCK output pin.
11 XUGF O XUGF output pin.
12 XPCK O XPCK output pin.
13 GFS O GFS output pin.
14 C2PO O C2PO output pin.
15 SCOR O When detected the sub code sink S0 or S1, outputting is "H".
16 C4M O 4.2336M Hz output pin.
17 WDCK O Word clock output pin. F=2Fs.
18 DV
SS
0 - Digital ground.
19 COUT I/O The number of count signal input and output of tracks
20 MIRR I/O Mirror signal output/ input pin.
21 DFCT I/O Defect signal output/ input pin.
22 FOK I/O Focus OK signal output/ input pin.
23 PWM1 I Outer edge control pin of spindle motor.
24 LOCK I/O GFS is sampled by 460Hz, When GFS is "H", outputting is "H".
When GFS is eight consecutive time "L." outputting is "L".
25 MPD O Servo control output pin for spindle motor.
26 SSTP I The detected signal input inside a disk
27 FSTO O 2/3 divided signal output pin of XTAL terminal.
28 DV
DD
1 - Digital power supply.
29 SFDR O Sled drive output pin.
30 SRDR O Sled drive output pin.
31 TFDR O Tracking drive output pin.
32 TRDR O Tracking drive output pin.
33 FFDR O Focus drive output pin.
34 FRDR O Focus drive output pin.
35 DV
SS
1 - Digital GND.
36 TEST I Test pin. (To connect the GND)
37 TES1 I Test pin. (To connect the GND)
38 VC I Center voltage input pin.
39 FE I Focus error signal input pin.
40 SE I Sled error signal input pin.
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