Technics SL-HD550

Pin
No.
Terminal
Name
I/O Function
1 BCLK - Serial bit clock output (Not
used, open)
2 LRCK -
L/R discriminating signal output
(Not used, open)
3
SRDATA
- Serial data signal output (Not
used, open)
4
DV
DD
1
I Power supply terminal
5
DV
SS
1
- GND terminal
6 TX O Digital audio interface signal
output
7 MCLK I Command clock signal input
8 MDATA I Command data signal input
9 MLD I Command load signal input
10 SENSE - Sense signal (Not used, open)
11 /FLOCK -
Optical servo condition (focus)
(Not used, open)
12 /TLOCK -
Optical servo condition
(tracking)
(Not used, open)
13 BLKCK O
Sub-code block clock signal
output
(f=75 Hz)
14 SQCK I Sub-code Q resistor clock
signal input
15 SUBQ O Sub-code Q data signal output
16 DMUTE I Muting input (Not used,
connected to GND)
17 STAT O Status signal output
18 /RST I Reset signal input (L: reset)
19 SMCK -
System clock (Not used, open)
20 CSEL I
Frequency control terminal of
crystal oscillator (Connected to
V
DD
)
21 TRV -
Traverse servo control signal
output
(Not used, open)
22 TVD O Traverse drive signal output
23 PC O Turntable motor drive signal
output (L: ON)
24 ECM O
Turntable motor drive signal
output
(Forced mode)