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• VIDEO BOARD IC502 M30620MC-A05FP (CD MECHANISM CONTROLLER)
Pin No. Pin Name I/O Description
1 SENSE I
Internal status (SENSE) signal input from the CXD3008Q (IC101)
2 SENSE CLK O
Sense serial data reading clock signal output to the CXD3008Q (IC101)
3 DSP DATA O
Serial data output to the CXD3008Q (IC101)
4 DSP LATCH O
Serial data latch pulse output to the CXD3008Q (IC101)
5 DSP CLK O
Serial data transfer clock signal output to the CXD3008Q (IC101)
6 TSENS I
Disc tray status detection signal input terminal Not used
7 REMOTE IN I
Remote control signal input terminal Not used (open)
8 BYTE I
External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
9 VSS —
Ground terminal
10 DSP MUTE O
Muting on/off control signal output to the CXD3008Q (IC101) “H”: muting on
11 CTRL1 O
Clock selection signal output to the CXD3008Q (IC101)
“L”: 16.9344 MHz (double speed), “H”: 33.8688 MHz
12 XRESET I
Reset signal input from the system controller (IC501) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
13 XOUT O
Main system clock output terminal (10 MHz)
14 VSS —
Ground terminal
15 XIN I
Main system clock input terminal (10 MHz)
16 VCC —
Power supply terminal (+5V)
17 NMI I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18 SCOR I
Subcode sync (S0+S1) detection signal input from the CXD3008Q (IC101)
19 DSENS I
Disc status detection signal input terminal Not used
20 CL680 HINT I
Interrupt request signal input from the MPEG video/audio decoder (IC505)
21 CL680 SEL O
Command selection signal output to the MPEG video/audio decoder (IC505)
22 DF LATCH O
Serial data latch pulse output to the D/A converter (IC509) “L” active
23 CL680 HRDY I
Ready status detection signal input from the MPEG video/audio decoder (IC505)
24 CL680 RESET O
Reset signal output to the MPEG video/audio decoder (IC505) “L”: reset
25 JOG1 I
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
26 JOG2 I
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
27 CTRL2 O
Laser power selection signal output to the CXA2568M (IC103) “H”: double speed
28 LDON O
Laser on/off selection signal output to the CXA2568M (IC103) “H”: laser on
29 CLK I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501) and fluorescent indicator tube driver (IC601)
30 DATA I/O
Communication data bus with the system controller (IC501) and fluorescent indicator tube driver
(IC601)
31 DATA1O O
Serial data output to the MPEG video/audio decoder (IC505) and D/A converter (IC509)
32 DATA1I I
Serial data input from the MPEG video/audio decoder (IC505)
33 CLK1 O
Serial data transfer clock signal output to the MPEG video/audio decoder (IC505) and D/A
converter (IC509)
34 SHARPNESS O
Sharpness control signal output of the video signal (Y signal) “H” active (“L”: normal)
35
XVLEVEL. DOWN
O
Not used (open)
36 SUBQ DATA I
Sub-code Q data input from the CXD3008Q (IC101)
37
SUBQ CLK
O
Sub-code Q data reading clock signal output to the CXD3008Q (IC101)
38 P.ON O
Power on/off control signal output terminal Not used (open)
39 BUS XRDY I
Ready signal input terminal Not used (fixed at “H”)
40 BUS O
Not used (open)
41 BUS XHOLD I
Hold signal input terminal Not used (fixed at “H”)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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