52
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 LD ON O
Laser power selection signal output to the CXA2568M (IC103) “H”: laser on
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
CN 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
AGC HOLD signal output.
20 8830 HINT
Interrupt request signal input from the MPEG video/audio decoder (IC506)
21
NTSC/PAL select signal output.
22
DF LATCH
O
Serial data latch pulse output to the D/A converter (IC509) “L” active
23
Not used.
24
8830 RESET
Reset signal output to the MPEG video/audio decoder (IC506) “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
28
Chip select signal of D/A converter (IC511).
C and serial data input from CD mechanism control (IC501).
C and serial data output from CD mechanism control (IC501).
Serial data output to the MPEG video/audio decoder (IC505) and D/A converter (IC509)
Serial data input from the MPEG video/audio decoder (IC505)
RTS signal to serial port (check connector).
OSD CS
VMUTE
O
O
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”)
—
O
O
O
I
CTRL2
NT/PAL OUT
NC
—
Video muting on/off control signal output terminal “L”: muting on
VIDEO BOARD IC505 M30624MG-A05FP (CD MECHANISM CONTROLLER)
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