34
Pin No.
Pin Name
I/O
Description
1 to 4
A3 to A6
O
Address signal output to the static RAM (IC302)
5
GND
—
Ground terminal
6 to 13
D0 to D7
I/O
Two-way data bus with the static RAM (IC302)
14
PLAY L
O
H
LED (D802) drive signal output terminal “H”: LED on
15
PAUSE L
O
X
LED (D803) drive signal output terminal “H”: LED on
16
MEGA L
O
MEGA CONTROL LED (D801) drive signal output terminal “H”: LED on
17
XFADE L
O
X-FADE LED (D805) drive signal output terminal “H”: LED on
18
NODELAY L
O
NO DELAY LED (D804) drive signal output terminal “H”: LED on
19
WE
O
Write enable signal output to the static RAM (IC302)
20
LOAD IN
O
Loading motor (M11) drive signal output to the BA6780 (IC11) *1
21
LOAD OUT
O
Loading motor (M11) drive signal output to the BA6780 (IC11) *1
22
FL CLK
O
Serial data transfer clock signal output to the FL driver (IC801)
23
FL DATA
O
Serial data output to the FL driver (IC801)
24
BLK
O
Blank signal output to the FL driver (IC801)
25 to 27
A13, A14, A7
O
Address signal output to the static RAM (IC302)
28
DSENS
I
Detect signal input from the disc sensor (D11)
29
NC
O
Not used (open)
30
RST
I
System reset signal input from the reset signal generator (IC601) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
EXTAL
I
Main system clock input terminal (10 MHz)
32
XTAL
O
Main system clock output terminal (10 MHz)
33
VSS
—
Ground terminal
34
TX
O
Sub system clock output terminal Not used (open)
35
TEX
I
Sub system clock input terminal Not used (fixed at “L”)
36
AVSS
—
Ground terminal (for A/D converter)
37
AVREF
I
Reference voltage input terminal (+5V)
38
BUSOUT
O
Sircs remote control signal output to the CONTROL A1II
39
NC
O
Not used (open)
40
KEY6
I
Key input terminal (A/D input) (S814 to S820)
PROGRAM, SHUFFLE, CONTINUE, PEAK SEARCH, EDIT/TIME FADE, MENU, FADER
keys input
41
KEY3
I
Key input terminal (A/D input) (S921 to S927)
TIME/TEXT, REPEAT, DISC 5 to DISC 1 keys input
42
NC
O
Not used (open)
43
KEY2
I
Key input terminal (A/D input) (S901 to S907)
DISC SKIP, EX-CHANGE, CLEAR, CHECK,
M
,
m
, MEGA CONTROL keys input
44
KEY1
I
Key input terminal (A/D input) (S808 to S813, S829)
A
OPEN/CLOSE,
x
,
X
,
H
, X-FADE, NO DELAY,
l
AMS
L
keys input
45
TEST
I
Setting terminal for the test mode “L” active
46
TSENS
I
Detect signal input from the table sensor (D10)
47
FLT
O
Serial data latch pulse output to the FL driver (IC801)
48
CLK
O
Serial data transfer clock signal output to the CXD2587Q (IC101)
49
NC
O
Not used (open)
50
DATA
O
Serial data output to the CXD2587Q (IC101)
• MAIN BOARD IC301 CXP84648-066Q (SYSTEM CONTROLLER)
Summary of Contents for CDP-CE545 - Compact Disc Player
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