Sony HCD-VX90AV, Руководство по обслуживанию

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Pin No. Pin Name I/O Function
• IC502 MPEG DECODER, MECHANISM CONTROL (M30620MC-A05FP) (VIDEO Board (1/3))
1 SENSE I Internal state (SENSE) monitor input (IC101)
2 SENSE CLK O Serial data reading clock output (IC101)
3 DSP DATA O Serial data output (IC101)
4 DSP LATCH O Lach output (IC101)
5 DSP CLK O Serial data clock output (IC101)
6 TSENS I Not used
7 REMOTE IN I Not used
8 BYTE I External bus width change input (Connected to ground)
9 VSS – Ground
10 DSP MUTE O Mute output (IC101) “H” : mute
11 CTRL1 (L : DOUBLE) O Double change output (IC101) “L” : double
12 XRESET I System reset input “L” : reset
13 XOUT O Main clock output (10MHz)
14 VSS – Ground
15 XIN I Main clock input (10MHz)
16 VCC – +5V power supply
17 NMI I Requests mask disable interruption input (Connected to +5V)
18 SCOR I Subcode sync input (IC101)
19 D SENS I Not used
20 CL680 INT I Video CD interruption input (IC505)
21 CL680 HSEL O Video CD select data of the host MPU (IC505)
22 DF LATCH O Digital filter latch output (IC509)
23 CL680 HRDY I Ready signal input for communication to the host MPU (IC505)
24 680 RESET O Video CD reset output (IC505) “L” : reset
25 JOG1 I Not used
26 JOG2 I Not used
27 CTRL2 O Double control output (IC101) “H” : double
28 LD ON O Laser diode ON/OFF output
29 IIC1 I/O IIC clock input from master control
30 IIC0 I/O IIC data input from master control
31 DATA1O O Serial 1 data output (IC505, 509)
32 DATA1I I Serial 1 data input (IC505, 509)
33 CLK1 O Serial 1 clock output
34 SHARPNESS O Sharpness output L : normal, H : sharpness
35 XVLEVEL. DOWN O Fix the video signal output level output
36 SUBQ DATA I Serial 2 data input for subcode sync reading
37 SUBQ CLK I Serial 2 clock input for subcode sync reading
38 P. ON I Not used
39 BUS XRDY I Not used
40 BUS I Not used
41 BUS XHOLD I Not used
42, 43 BUS I Not used
44 BUS XRD I Model selection input “L” : chinese model, “H” : except chinese model
45 BUS I V sync signal input