Read Sony CMT-DC500MD / HCD-J300 Service Manual online
69
HCD-J300
• IC1001 M30805MG-205GP SYSTEM CONTROL (DIGITAL BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
I/O
—
—
—
—
—
—
—
O
O
O
O
I
O
O
I
—
O
O
I
O
—
I
—
I
I
I
I
—
O
I
—
I
—
I
O
I/O
I/O
O
—
I
—
O
I
O
I
O
O
I
I
O
I
Pin Name
—
—
LVLI
LVL0
(TXD3)
(RXD3)
(CLK3)
MUTE
DARST
SLICERSEL
LD-LOW
LDIN
LDOUT
MOD
BYTE
CNVSS
X-CIN
X-COUT
RESET
XOUT
VSS0
XIN
VCC0
NMI
DQSY
P.DOWN
SQSY
NC
LDON
LIMIT-IN
C2-PWM-B
XINIT
—
XELT
WR PWR
IIC CLK
IIC DATA
SWDT
VCC1
SRDT
VSS1
SCLK
REC-SW
CLIP DTO
CLIPDTI
CLIP CLK
DIG-RST
SENS
PLAY-SW
XLAT
OUT-SW
Description
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Line out muting output L: Muting
Reset signal output to the D/A converter L: Active
IEC958 input select signal output to the D/A converter L: CD H: MD
Loading motor voltage control output L: High voltage H: Low voltage
Loading motor control input H: IN
Loading motor control output H: OUT
Laser modulation switching signal output L: OFF H: ON
Data bus changed input (Connected to ground)
Ground
Sub clock input (32.768kHz) (Not used)
Sub clock output (32.768kHz) (Not used)
System rest input L : ON
Main clock output (10MHz)
Ground
Main clock input (10MHz)
Power supply (+3.3V)
Fixed at H (Pull-up)
Digital in sync input (Record system)
Power down detection input L: Power down
ADIP (MO) sync or subcode Q (PIT) sync input from CXD2662R (Playback system)
Not used
Laser ON/OFF control output H: Laser ON
Detection input from the limit switch L: Sled limit-In H: Sled limit-Out
Not used
Interrupt status input from CXD2662R
Not used
XELT input from DSP IC
Write power ON/OFF output L: OFF H: ON
IIC serial clock input/output
IIC serial data input/output
Writing data signal output to the serial bus
Power supply (+3.3V)
Reading data signal input from the serial bus
Ground
Clock signal output to the serial bus
Detection signal input from the recording position detection switch L: REC
CLIP serial data output
CLIP serial data input
CLIP serial clock output (Not used)
Digital rest signal output to the CXD2662R and motor driver L: Reset
Internal status (SENSE) input from the CXD2662R
Detection signal input from the playback position detection switch L: PLAY
Latch signal output to DSP IC
Detection signal input from the loading out detection switch
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