Technics ST-600 - Page 8

Mi
FUNCTION
OF
TERMINAL
(Ic901:
LC6512A3377)
IN/OUT
INPUT
DESCRIPTION OF TERMINAL
Computer drive terminal.
OUTPUT
5
6
J
CL
ee
CE
PC3
eae: eee
fXOSC
cL
Data output t>
CE
AR
f XOSC: Crystal OSC DO~D13: Divided frequency data
RO~R2: Reference frequency data
Not used in this unit.
7 OUTPUT
8 OUTPUT
OUTPUT
OUTPUT
OUTPUT
el
HOLD
INT Terminal for remote control cord.
Power supply terminal of device.
Voltage of 5V is supplied during operation of device.
[KEY MATRIX]
Not used in this unit.
Auto/mono changeover terminal.
(auto — OV, mono — 5V)
Computer drive terminal.
Not used in this unit.
Digital signal terminal for display.
Terminal for key return signal to external key matrix.
Reset terminal.
—
Ground terminal.
Not used in this unit.
Connecting terminal for crystal oscillator.
Segment signal terminal for display.
Not used in this unit.
Control signal terminal for relay (RLY701).
Muting signal terminal. (Muting — High level)
Terminal for power failure detection.
Pin No.| 48
14 | CHA !
41 | 40
CH2 | CH1
CHé | CHS
CHO
Terminal for key return signal to t
external key matrix.
Stereo signal terminal.
SD signal! terminal.
Tuner select terminal. (Ground connection)