Technics ST-HD50 User Manual

| ST-HD50
@
Terminal
Function
of
IC's
@
1C901
(M38197MA146F)
:
SYSTEM
CONTROL/FL
DRIVE
Ek
4)
wev-tu
|
1
|
Tuner
operation
switch
signal
input
Pack
|
1
|SerialdatainputtorRS-HO70
5c)
cae
,
R
;
/ 2 | Key-cH | 1 Input selector operation switch signal input
bs
|
Kevse
|
1
SE-HD50
operation
switch
signal
input
Preset
|
1
[Resetsignalinpt
=
4
KEY-CD
Me
SL-HD60
operation
switch
signal
input
©
sp
|
1
|
SD
conta
signal
nput
for
tuner
circuit
NC
eS
Not
used,
open
STEREO
1
|
STEREO
signal
input
fortuner
cicuit
o.
33
34
35
36
37
=
an
XOUT
(34
Serial data output terminal
Connected to the ceramic oscillator
:
CLK 1 Serial clock signal output terminal
co
DATA2 | O | Serial data output terminal
GND terminal
rower | 0 |rowronorFcssenases
Pesa fe
Pear [oe
saloacs| 0 temo
fo
oO
CLK 2 Serial clock signal output terminal
:
3
3
4
4
—
=)
i ak
vU
O
= Mm
NC ~ j|Not used, open
’
8
9
1
2
43
=" NO
SEL-TU Tuner select signal output
Connect to GND through the resistor
Strobe signal output
—_ ie) 62)
=| w
Not used, open
15 CE Chip enable output
4 CSO 1 Connect to GND through the diode
8~60) G13 ~ G1 Grid control signal output
~90| P36 ~ P7 ey Segment control signal output
91 C = Power supply (+5V)
a
a
fe
DATA IN
18 | DATAI/O | I/O | Not used, connected to GND
tis: Peao ae 1 | Serial data input terminal
| | Serial clock signal input terminal
O | Serial data output terminal
fy
:
Lan
Ay
Serial
data
input
terminal
Serial data input terminal
=~ f£
Zz
©
oO
pus
Serial data output terminal for (E,EG) areas
2
o7| PEI Segment contro! signal output
AVSS Connected to GND
100 VREF ee Reference voltage input terminal
Negative power supply
23 MD CS ie] Chip select signal input for MD
Request signal output for MD
25 |DECK REQ! O | Request signal output for RS-HD70
26 | CD REQ | O | Request signal output for SL-HD60
MN nN
27 | CHECK | O | Clock checking terminal
28 |CR TIMER | I/O | Capacitor and resistor oscillation terminal
29 CEi | {| Serial data input terminal for (EG) area only
30 |REMOCON Remote control signal input
31 | V-JOGB
Volume control signal input
32 | V-JOGA
—~49-

Technics ST-HD50 Specifications

General

Brand	Technics
Model	ST-HD50
Category	Tuner
Language	English