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KRC-1054R
24
CIRCUIT DESCRIPTION
| PinName | 1/0
Description
T.
=
echanism Stand-by switch input.
upply reel pulse input.
ake-up reel pulse input.
orced monaural control output.
uting output. (Not used)
qualizer amplifier FWD/REV switching output.
qualizer muting output ("H" during play).
olby output.
"H"
"H"
olby output.
« DOLBY OFF
< DOLBY B
«< DOLBY C
Ho
MU
| Pin No. |
Pe a
ee)
ie |
ae
al
| 6
| FWO)REV
Ee
| 38
Ree ae
eee
fe 0
ais
MIMS
golmia
zinjn|n
a Olm|m
z AlZ|r
jr
|Z
Cc Ola|w
m
=
OLBY ON/OFF
OLBY B/C
oO
= =
1
1
1
1
1
2
= N
oO }a
NC
ETAL
©
ODE IN
ACK DETECT
IC
No Connection. Open.
Metal tape detection ("L* = Metal).
Mode pulse detection ("L" = Mode).
Cassette pack present/absent detection ("H" = Pack detected).
Music detection for music search ("H" = Blank).
-COM earth GND.
ot used. Open.
eset input.
eramic oscillator connection terminal. (4.19 MHz)
Main motor output.
Sub motor forward output.
Sub motor reverse output.
Kick output for escape from gear mesh.
Not used. Pulled up or pulled down.
Communication request to head unit.
Serial data input line.
Serial data output line.
Serial clock input line.
Not used. Connected to Vop or Vss.
No Connection. Open.
Not used. Connected to Voo or Vss.
Stop request. (Oscillation stop)
Communication request from head unit.
No Connection. Open.
Power supply terminal. 5 V.
Beep output. (2 kHz)
a
<
Cy
n
=
| 20 | R
3
Zz
1
2
3
4
5
7
10
3
4
5
6
7
'0
D
no
2
25
26
nN N
28
29
Q TO HU
W oO
wo wo
=
WO
QO
f—
vas
Ww fe)
ol<iz
z = mIiD
la y oO
mi9
a
me)
[e) me)
B
Qinian
Alina
x< x\<
|8)
iz
Slele|=|>|miale
| Olol=
n
Vit
|Z
1S)
T
o
NO
32, 3
Ww
on
eS
36
37
RO FROM HU
Ww i<e)
40
41~43
Not used. Pulled up or pulled down.
PACK IN
PACK-IN switch input.
OR EEN
SE LE
SS
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