Technics SL-HD550

27
MDATA
O
Command
data
signal
output
Pin
No.
Terminal
Name
I/O Function
28 MCLK O Command clock signal output
29 MLD O Command load signal output
30 STATUS I Status signal input
31 NC - Not used, open
32
33 REST
SW
I REST detect switch signal input
34
|
36
NC - Not used, open
37 OPEN
SW
I Disc tray open detect switch
signal input
38 NC - Not used, open
39 H:CR2 O Connected to GND
40 KEY2 I Key switches detect signal input
41 KEY1 I Key switches detect signal input
42 CLOSE
SW
I Disc tray close detect switch
signal input
16.2. IC701 (AN8839NSBE2):
Servo Amp
Pin
No.
Terminal
Name
I/O Function
1 PDE I Tracking signal input terminal 1
(E ch)
2 PDF I Tracking signal input terminal 2
(F ch)
3
V
cc
I Power supply terminal
4 PDA I Focus signal input terminal 1 (A
ch)
5 PDB I Focus signal input terminal 2 (B
ch)
6 LPD I Laser PD signal
7 LD O Laser power auto control output
8 RF O RF amp terminal
9 RFIN I AGC input terminal
10 CSBRT I OFTR capacitor connection
terminal