Technics RS-BX606 - Terminal Function of ICs; IC501 Microcomputer Terminal Functions

RS-BX606 |
Mi TERMINAL FUNCTION OF IC’S
¢
1C501
(M50942-518SP):
MICROCOMPUTER
(This
microcomputer
is
used
for
mechanical/FL
DRIVE
operation.)
Te]
Division
Vv
A/D
converter
reference
CLOCK
Serial
clock
for
amp,
logic
REE:
voltage
(Connected
to
AVec)
control
(MPX,
C,
B,
T/S)
Key switch input STOP, FF, DATA
KEY1 REW, PLAY, REC, PAUSE,
Dolby B, C, MPX, TPLAY, TREC
Key switch input C-RESET,
KEY2
C-MODE, M-RANGE, MEMORY,
4 MLCH
Le)
Division
Serial clock for amp, logic
control (MPX, CG, B, T/S)
Model select terminal Always:
cl ed
Model select terminal Always:
oH”
Power off det. OFF: “L”
EJTSEL
ARM
Lch indication level input
CNTSEL
Bee
oe
eee
ae
|
68
| APRS
hee 4
Not used,
connected
to
GND
Connected to Vgs5
Reset input Normal: “H”,
Reset: “L”
Rec. inh. switch input
Rec. OK: 1.5V, NG: 5V
ATS switch input
Nor: 1.1V, CrO,: 2.4V,
Metal: 5V
ee
Ny ~N
2D
m n m =~
Pad Zz
Clock OSC terminal (4MHz)
Reel table (supply side) rotary
det.
CAPM control
ON: “H”, OFF: “L”
11 Reel motor ON/OFF control
REW, R « TPS: “H”, Others: “L”
Reel motor ON/OFF control
RMF (REC) PLAY, FF, F « TPS: “H”,
Others: “L”
Xour
Reel table (take up side) rotary
det.
Capstan motor ON/OFF
ow (%)
TPS (MS) det.
No signal: “H” signal ON: “L”
Trigger solenoid ON/OFF
control
ON: “H”, OFF: “L”
Mech. mode switch
(REC) PLAY, TPS: “L”
Others: “H”
Brake solenoid ON/OFF
control
FF/REW/TPS: “H”, Others: “L”
Mech. Half switch
ON: “L”, OFF: “H”
Reference voltage terminal
FL grid control signal
37 HALF
V
— 5)
Brake solenoid keep and reel
motor speed select
FF/REW/TPS: “H”, Others: “L”
Line out muting control
FL segment control signal
Power supply terminal for A/D
converter
Power supply terminal for
micro computer
Rec amp muting control
ON: “H”, OFF: “L”
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