Sony CDP-XA20ES - Page 16

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Pin No. Pin Name I/O Function
1A3O
2A4O
3A5O
4A6O
5A7O
6A8O
7A9O
8 A10 O
9 A11 O
10 A12 O
11
WE O
12
NC O
13 NC O
14 LED PLAY O ( LED (D801) drive signal output terminal “H”: LED on
15 LED PAUSE O
P LED (D802) drive signal output terminal “H”: LED on
16 LED FILTER O No Connection
17 SPD-MUTE O No Connection
18 RE-INIT O
No Connection
19 VR+ O Volume up control signal output to the volume control motor driver (IC371)
20 VR– O Volume down control signal output to the volume control motor driver (IC371)
21
BLK O Blank signal output to the fluorescent indicator tube driver (IC801)
22
D0 O Serial data output to the fluorescent indicator tube driver (IC801)
23
D1 O No Connection
24
D2 O No Connection
25
FLD CLK O Serial data transfer clock signal output to the fluorescent indicator tube driver (IC801)
26
WR O Read/write select signal output to the fluorescent indicator tube driver (IC801)
27 SENSOR SW O
On/off control signal output to the stabilizer detect sensor (IC361) “H”: on
28 SENSOR IN I Detect signal input from the stabilizer detect sensor (IC361) “H”: on
29
LIMIT SW I
Detection input from the sled limit-out detect switch
The optical pick-up is outer position when “L” Not used (fixed at “L”)
30
RESET I
System reset signal input from the reset signal generator (IC912) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
XIN I Main system clock input terminal (4 MHz)
32
XOUT O Main system clock output terminal (4 MHz)
33
GND — Ground terminal
34
NC — No Connection
35
NC — Not used (fixed at “L”)
36
GND — Ground terminal (for A/D converter)
37
+5V I Reference voltage input terminal (+5V)
38 ADJ/AFADJ I Setting terminal for the test mode “L” active
39
K0 I Key input terminal (A/D input) (fixed at “H”)
40
K1 I
Key input terminal (A/D input)
TIME, PLAY MODE keys (S819, S820) input
41 K2 I
Key input terminal (A/D input) AUTO SPACE, CHECK, CLEAR, FADER, ), 0 , PUSH
ENTER, AMS ± keys (S801 to S806, RV801) input
BD BOARD IC351 CXP84120-070Q (SYSTEM CONTROLLER)
No Connection