Technics ST-G460 - Page 12

ST-G460 ST-G460
—t ts FUNCTIONS OF IC TERMINALS m@ DESCRIPTION OF FL PANEL
M CONTROL PC.B. | 7 (1902: MS50941-421 SP) | e GRID ASSIGNMENT
| PIN NO. | IN/OUT | MARK | DESCRIPTION OF TERMINAL
INPUT VREF Reference voltage terminal. 6G
Not used in this unit.
Not used in this unit, connected to GND.
$16
quartz lock
INPUT SSL3 FM signal level detector terminal. sg
Station detection of auto tuning terminal.
e Received: ‘‘H’’, No signal: ‘“‘L”’
a
eae
ia
SsL2
ae
| STEREO |
INPUT STEREO Reference voltage terminal. S12 S14 S10
TUNING O Not used in this unit.
TUNING 1
[ai [ == TRF Band | NotusedinWisunt SSCS
FM IF BAND selector terminal.
12 OUTPUT | IF BAND e‘‘normal”’: ‘‘L’’, “super narrow”: “H”
—_— e PIN CONNECTION
Not used in this unit.
BE aed Eat Sistas:
PIN NO. [espe
a | |e Notusedin isnt SSCS AAO
FIFINIS/S/6/S/{S{Sj/S
CONNECTION |1/1/P/8/9}Gj10j11}12/]13
Forcible monaural selection terminal.
OUTPUT
Forcible monaural mode
Terminal to eliminate shock noise due to unlocking at PLL.
<Muting output>
e Pin 25 (CE) is “L’—"'H” or “H”?>"L”
OUTPUT MUTE ¢ Power switch ‘off’.
e Frequency change. (up/down, FM-~AM (MW/LW), REC).
°FM RF/IF selection.
a e ANODE CONNECTION
18
| SRDY PLL data output terminal.
SRDY: serial 1/O enable signal, CLK: clock signal,
SOUT: serial data signal.
= ee
| SOUT |
oa
INPUT
ee
Control
input
terminal.
Clock pulse waveform output terminal.
OUTPUT T1 e FM: 1kHz signal (duty 50%)
| 230 «| —— | 2 | Not used in this unit.
fee INPUT Inti Remote control input terminal. Not used in this unit.
ra INPUT Int? Power supply detection terminal.
He ae
INPUT RESET Reset signal terminal.
| 28 INPUT Connecting terminal for crystal oscillator.
OUTPUT XOUT
| —— | XCIN Not used in this unit, connected to GND.
INPUT
XCOUT Not used in this unit.
INPUT
OUTPUT
Terminal for key return signal
to external key matrix. | | 3.6V
O 1V/2msec. div.
Power supply terminal for FL display.
Segment signal terminal for
FL display. Sry
a UL —26.0V
10V/Smsec. div.
Not used in this unit.
° ne —_
Terminal for key scan signal
to external key matrix and = = — ~4}-----
J OUTPUT § grid signal terminal for FL display.
$4) o
oO Le)
10V/2msec. div.
INPUT AVcc Power supply terminal of device.
-—17- =18=
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