12
CSX-V58MP
SECTION 3
DIAGRAMS
3-1. IC PIN DESCRIPTIONS
• IC513 CXP81960M-672R (CD SYSTEM CONTROL) (SERVO BOARD (2/3))
Pin No.
Pin Name
I/O
Pin Description
1
A_MUTE
O
Audio mute control output
2
N.C
—
Not used. (Open)
3
CD_ON
O
CD servo power supply control output (H: Power on)
4
RW/R
O
RF amplifier gain control output (H: CD-RW, L: CD-R/CD-DA)
5
SLD_MINUS
O
Sled motor control output
6
SELF_SW
I
Disc self store switch (SW2) input
7
E/(U)
I
Destination initial setting input (Fixed at H in this set)
8
PH1
I
Photo coupler input 1 (Not used in this set)
9
SDA
I/O
I
2
C interface data input/output for video encoder IC (IC518).
10
SCL
O
I
2
C interface clock output for video encoder IC (IC518).
11
H_WAIT
I
Wait input from MPEG decoder IC (IC514).
12
H_INT
I
Interruption input from MPEG decoder IC (IC514).
13 to 20
HDATA7 to 0
I/O
Host data 7 to 0 input/output for MPEG decoder IC (IC514).
21
EMPH_O
O
D/A converter emphasis control output for DSP IC (IC516).
22
CD_DATA
O
Data output for DSP IC (IC516).
23
CD_XTAL
O
System latch output for DSP IC (IC516).
24
CD_CKO
O
Clock output for DSP IC (IC516).
25
D_SW
I
Down switch (SW5) input
26
N.C
—
Not used. (Connect to VDD in this set)
27
LIMIT_SW
I
Sled limit switch (SW4) input (L: ON)
28
SUBQ
I
CD sub-Q serial data input from DSP IC (IC516).
29
N.C
—
Not used. (Open)
30
SQCK
O
Sub-Q clock output for DSP IC (IC516).
31
N.C
—
Not used. (Open)
32
MSRQ
O
Serial request output for master microcomputer (IC801).
33
N.C
—
Not used. (Open)
34
CD_RST
O
CD reset output for DSP IC (IC516). (L: Reset)
35, 36
N.C
—
Not used. (Open)
37
MP
I
Not used. (Connect to VSS in this set)
38
RESET
I
Slave microcomputer hard reset input from master microcomputer (IC801).
39
VSS
—
Ground
40
XTAL
O
Crystal oscillation output (12 MHz)
41
EXTAL
I
Crystal oscillation input (12 MHz)
42
N.C
—
Not used. (Connect to VDD in this set)
43
TEXT_IN
I
CD text deter input
44
N.C
—
Not used. (Open)
45
TEXT_CLK
O
CD text clock output
46 to 49
N.C
—
Not used. (Open)
50
AVSS
—
Analog ground
51
AVREF
—
Analog reference voltage input
52
AVDD
—
Analog power supply pin (+3.3 V)
53
GFS/MNT2_SEL
I
GFS/MNT2 select input from DSP IC (IC516). (Fixed at H in this set)
54
PH2
I
Photo coupler input 2 (Fixed at H in this set)
55
FOK
I
Focus OK input from DSP IC (IC516).
56
GFS
I
Guard frame synchro input from DSP IC (IC516).
57, 58
N.C
—
Not used. (Connect to VSS in this set)
59
TEMP_H
I
Not used. (Open)
60
TEMP_L
I
Not used. (Open)
61
LOCK
I
LOCK input from DSP IC (IC516).
62
TEST_MODE
I
Not used. (Fixed at H in this set)