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KRC-949D
Port assignment table
Terminal
No.
Terminal
name
CIRCUIT DESCRIPTION
Note : ''P60" refers to pin 17 and 61" refers to pin 18 in the descriptions in this table.
ACTIVE
H/L
Description
2
C.ST
ie}
H
Lc. ST OUT (TUNER
POWER
control signal}
10
Rotation DET. W
=
| Reel pulse interrupt
11
Communication request (from master microprocessor IC4)
12
M > S Communication request
SCK
Serial data transfer clock (from master microprocessor IC4)
15
16
Nie)
Serial data (to master microprocessor
1C4)
Sl
| Serial data (from master microprocessor !C4)
17
2
| K4~1
(FF/REW gear position) detection signal
18
19
1
FF/REW Position DET.
i
Head position DET.
| K8~5 (Head position) detection signal
ver 32
S—MSCK
Request
O |O;/O;-|O]-J-i-
| SCK Request signa! (terminal for shift clock request output to
} master microprocessor !C4)
= ft,
20
i
S—>M Communication request
t
+
i
i
co)
| Communication
request signal from this slave microprocessor to master
| microprocessor {C4)
21
Position DET. K1
K1 (P60 = L) and K5 (P61 = L) check |
22
Position DET. K2
| K2 (P60 = L) and K6 (P61 = L) check
23
Position DET. K3
—_t
: K3 (P60 = L) and K7 (P61 = L) check
24
—
Position DET. K4
i K4 (P60 = L) and K8 (P61 = L) check
25
28
30
T.ADV PL
! Music selection plunger signal (which drives the T.ADV plunger)
MOTOR
(EJECT)
; Drives the main motor in EJECT direction, exclusive of pin 30.
po
MOTOR
(PLAY)
| Drives the main motor in PLAY direction, exclusive of pin 28,
36
37
38
39
REW
FF
REV
FWD
Rotation DET. T
Rotation DET.S
t
+o
{
{
|
T
ee
|
{
|
!
Oo |O/O/O/-|—l-|-—
XI {L/L}
Ly
Ly
Ty)
Ll/T;
xT
Moves the FF/REW gear position from the PLAY position toward the
REW position, exclusive of pin 37.
Moves the FF/REW gear position from the PLAY position toward the
FF position, exclusive of pin 36.
| Moves the head position from the STOP position toward the REV position,
exclusive of pin 39.
H
Moves the head position from the STOP position toward the FWD position,
exclusive of pin 38.
H
Detects the take-up reel pulse
H
Detects the supply reel pulse.
H
ae
43
Intervals between musics DET.
Input from the music selection amplifier (Interval between musics DET.)
44
NC
i
|
H
Software selection signal
B/C
NR ON/OFF
DOLBY B/C switching signal, active 'L'' : B type, "H'' : C type
NR ON/OFF switching signal, active ""H" : ON, "L" : OFF
METAL/NORMAL
METAL/NORMAL switching signal, active ''L"' : METAL, 'H" : NORMAL.
F/R
FWD/REV
switching signal, active ''L'': FWD, ""H"' : REV
16
TUN/TAPE
TAPE/TUNER
switching signal, active Le : TUNER, "H" > TAPE
MUTE
O}/O!O/O1O/O]—-{—-
MUTE
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