31
• MAIN BOARD IC301 CXP84648-066Q
(SYSTEM CONTROLLER, FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)
*1 Loading motor (M11) control
LOAD IN (pin w;)
“L”“L”“H”“H”
LOAD OUT (pin wa)
“L”“H”“L”“H”
OFF OUT IN BRAKE
Operatio
Terminal
Pin No. Pin Name I/O Description
1 BUSIN I Sircs remote control signal input terminal Not used (pull up)
2 RMIN I Remote control signal input from the remote control receiver (IC802)
3 ADJ I Setting terminal for the test mode “L” active
4 XLT O Serial data latch pulse signal output to the CXD2587Q (IC101)
5 HOLD O Laser power control signal output to the CXD2587Q (IC101) “H” active
6
TSENS I Detect signal input from the table sensor (D10)
7
NC O Not used (open)
8 CLK O Serial data transfer clock signal output to the CXD2587Q (IC101)
9
NC O Not used (open)
10 DATA O Serial data output to the CXD2587Q (IC101)
11 SQCK O Sub-code Q data reading clock signal output to the CXD2587Q (IC101)
12 SUBQ I Sub-code Q data signal input from the CXD2587Q (IC101)
13
NC O Not used (open)
14 OUT.SW I Detect signal input from the open/close detect switch (S11)
15, 16 S1, S2 I Detect signal input from the tray address detect switch (S200)
17
NC O Not used (open)
18 TBLL O Table motor drive signal (counterclockwise) output to the BA6780 (IC11)
19 TBLR O Table motor drive signal (clockwise) output to the BA6780 (IC11)
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 NC O Not used (open)
23 KEY1 I
Key input terminal (A/D input) (S820 to S824)
TIME, REPEAT, PROGRAM, SHUFFLE, CONTINUE keys input
24 KEY2 I
Key input terminal (A/D input) (S813 to S819)
DISC 5 to DISC 1, PEAK SEARCH, EDIT/TIME FADE keys input
25 KEY3 I
Key input terminal (A/D input) (S807 to S821, S825)
DISC SKIP, EX-CHANGE, CLEAR, CHECK, M, m, l AMS L keys input
26, 27 NC O Not used (open)
28 KEY6 I
Key input terminal (A/D input) (S801 to S806)
A OPEN/CLOSE, x, X, H, FADER, MUSIC SCAN keys input
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 to 37 NC O Not used (open)