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DISPLAY BOARD IC801 CXP82324-088Q (SYSTEM CONTROLLER, FL/LED DRIVER, KEY CONTROL)
Pin No.
Pin Name
I/O
Function
1
TSENS1
I
Disc table flag detect sensor (IC51) input terminal
2
RMIN
I
Remote control signal input from the remote control receiver (IC802)
3
DOOR SW
I
Front cover open/close detect switch (S821) input terminal “L”: close, “H”: open
4, 5
NC
O
Not used (open)
6
BUSIN
I
Audio bus signal input for the audio bus interface
7
RWC
O
Command chip enable signal output to the RF amplifier (IC101) and DSP (IC102)
8
CQCK
O
Command serial clock signal output to the RF amplifier (IC101) and DSP (IC102)
9
SQOUT
I
Subcode Q data input from the DSP (IC102)
10
COIN
O
Command serial data output to the RF amplifier (IC101) and DSP (IC102)
11
TGL
I
Tracking gain control signal input from the DSP (IC102)
Gain becomes low when tracking gain is “H”
12
DRF
I
RF level detection signal input from the RF amplifier (IC101)
13
NC
O
Not used (open)
14
SL+
O
Sled feeding signal (external direction) output to the RF amplifier (IC101)
15
SL–
O
Sled feeding signal (internal direction) output to the RF amplifier (IC101)
16
LOAD OUT
O
Loading motor (M61) drive signal output to the BA6780 (IC601) “L” active
17
LOAD IN
O
Loading motor (M61) drive signal output to the BA6780 (IC601) “L” active
18
TABLE L
O
Table motor (M62) drive signal output to the BA6780 (IC601) “L” active
19
TABLE R
O
Table motor (M62) drive signal output to the BA6780 (IC601) “L” active
20
DOWN SW
I
Inputs the loading out switch (S52) detection signal
21
UP SW
I
Inputs the loading in switch (S51) detection signal
22
DSENS
I
Inputs the disc sensor (Q51) detection signal (A/D input)
23
KEY0
I
Key input terminal (A/D input) (S801, 802 and RE801)
CLEAR, CHECK, DISC PUSH ENTER keys input
24
KEY1
I
Key input terminal (A/D input) (S803 to 810)
±
,
≠
,
p
,
P
,
·
, PLUS ONE, REPEAT, PLAY MODE keys input
25
KEY2
I
Key input terminal (A/D input) (S811 to 816)
BLOCK FILE 5/4/3/2/1,
I
/
u
keys input
26
TEST MODE
I
Setting terminal for the test mode (ADJ mode) (A/D input)
“L”: test mode, Normally: fixed at “H”
27
CD1/2/3
I
Inputs the CD COMMAND MODE switch (S831) detection signal (A/D input)
28
JOG1
I
Jog dial pulse input of the rotary encoder (RE801) (A/D input)
29
JOG2
I
Jog dial pulse input of the rotary encoder (RE801) (A/D input)
30
RESET
I
System reset signal input from the reset signal generator (IC703) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
10MHz
—
Connected to oscillator (10 MHz)
32
10MHz
—
Connected to oscillator (10 MHz)
33
GND
—
Ground terminal
34
PLAY LED
O
LED drive signal (D801
·
) output terminal “H”: LED on
35
PAUSE LED
O
LED drive signal (D802
P
) output terminal “H”: LED on
36
P1 LED
O
LED drive signal (D803 PLUS ONE) output terminal “H”: LED on
37
POWER LED
O
LED drive signal (D804 STANDBY) output terminal “H”: LED on
38
ICSW
O
Power on/off control signal output to the LA5602 (IC701) “H”: power on, “L”: standby
39, 40
NC
O
Not used (open)
41 to 62
P1 toP22
O
Segment drive signal output to the fluorescent indicator tube (FL801)
63 to 65
NC
O
Not used (open)
