Sony HCD-MC1 - IC Pin Function Descriptions; Main Board IC401 Pin Functions

— 76 —
Pin No.
1
2
3
4
5
6 to 13
14 to 28
29
30
31
32
33
34, 35
36
37
38 to 41
42
43 to 46
47
48
49
50
51 to 53
54
55
56
57
58
59
60
61 to 63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Pin Name
—
ICSW
—
HHOUT
—
D0 to D7
A0 to A14
/WE
RESET
10MHz
10MHz
VSS
—
AVSS
AVREF
—
D-SENS
—
SLED-P
CLK
SUBQ
DATA
—
FOK
WRQ
—
TGL
RWC
SLED-M
—
TSENS1 to TSENS3
DQSY
TCLK
TDATA
TMODE
—
DOORSW
OUTSW
INSW
VDD
—
TBLR
TBLL
LODOUT
LODIN
IICCLK
—
IICDAT
I/O
—
O
—
O
—
I/O
O
O
I
O
I
—
—
—
I
—
I
—
O
O
I
O
—
I
I
—
I
O
O
—
I
I
O
I
O
—
I
I
I
—
—
O
O
O
O
I
—
I/O
Function
Not used
IC reset signal output
Not used
Plus one LED signal output
Not used
SRAM data I/O
SRAM address output
SRAM write enable output
Reset signal input
X’tal(10MHz)
X’tal(10MHz)
Ground
Not used
Analog ground
Analog refernce voltage input
Not used
Disc detect sensor signal input
Not used
Sled motor control signal output
Clock signal output for LC78622E
CD sub-code input from LC78622E
Command output for LC78622E
Not used
DRF(FOK) signal input from LC78622E
Sub-code synchronizing signal input from LC78622E
Not used
Tracking gain control signal input from LC78622E
RWC(latch) output for LC78622E
Sled motor control output
Not used
Table sensor input
Data synchronizing signal input from decoder
Clock output for decoder
Data input from decoder
System down signal output for decoder
Not used
Front cover close detect input
Loading motor out detect input
Loading motor in detect input
Power supply(+5V)
Not used
Table motor counter clock wise turn signal output
Table motor clock wise turn signal output
Loading motor out direction signal output
Loading motor in direction signal output
Serial data clock input
Not used
Serial data I/O
MAIN BOARD IC401 CXP84632-031Q (CD CHANGER CONTROL)