Technics SL-EH760 Service Manual page 40

I/O
Pin Terminal
No. Name
17 E-CS -
EEPROM serial communication
signal
(Not used, open)
18 RESET I Reset signal input
19 X IN I Oscillator connected terminal (8
MHz)
20 X OUT O
21 - GND terminal
V
SS
22 LED O LED serial strobe signal output
STB
23 LED O LED serial clock signal output
CLK
24 LED O LED serial data signal output
DTA
25 NC - Not used, open
26 MSEL I
Function select signal input /
(Connected to V
27 MDATA O Command data output
28 MCLK O Command clock output
29 MLD O Command load output
30 STAT I Status signal input
31 HALH O CD mechanism motor speed
control signal output
32 PL O CD mechanism solenoid control
signal output
33 CW O CD mechanism motor control
signal output (forward direction)
34 CCW O CD mechanism motor control
signal output (reverse direction)
35 PSTN I Position sensor detect signal
input
36 SW1 I Disc tray position 1 detect signal
input
37 SW2 I Disc tray position 2 detect signal
input
38 SW3 I Disc tray open detect signal
input
39 SW5 I Bottom switch detect signal
input
40 KEY2 I Operation key signal input
41 KEY1 I Operation key signal input
42 SW4 I Clump switch detect signal input
15.2. IC701 (AN8839NSBE2): / Servo Amp
Function
via resistor)
CC
40