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KE-83ZBM/US
Pin
No.
Pin
Name
I/O
Function and Operation
11
DO
C
Dutput
Data output.
12
CLK
(
Dutput
Clock
signal.
13
V-STB
<
Dutput
Strobe
signal.
14
PEE
(
Output
4
kHz
signal.
15
BS1
Input
Communication
data
line.
(CD
CHANGER)
16
BSO
<
Output
17
BSCK
I/O
Communication
clock
line.
18
No
connection.
19
LOC
Output
"H"
during
local
search.
20
MUTE
Output
Mute
output.
21
CD1
Output
"L"
during
CD
play.
22
CD2
Output
23
SB1
Output
Source
selector
control (IC751
).
24
SB2
Output
25
ANTI-1
Output
Causes
LED
(D919)
to
flash
when
Anti-Theft
is
operating.
26
ANTI
-2
Output
Shifts to
"L" when
ACC
is
OFF
and
the
key matrix
switch
is
pressed.
27
1
KST3
1
Output
1
Key
strobe output.
30
KSTO
Output
31
NC
No
connection.
I
32
VDD
Power
supply
terminal.
j
33
SRQ
Output
1
34
RXE
I/O
Communication
line.
(CD
CHANGER)
j
35
RST
Output
36
INH
Output
Turns
LCD
display
on and
off.
"
L
"
when
LCD
display.
37
1
K3
1
Input
1
Key
return
input.
40
KO
Input
41
XST
Output
Strobe
signal.
(IC703,
704)
42
ECE
Output
Chip
enable
line.
(IC702)
43
PST
Output
Strobe
signal.
44
LCE
Output
Chip
enable
line.
(IC901
)
45
RESET
Input
Reset input
terminal. Active
"L
"
.
46
X2
(1Q4
mu
7
\
rnrmprtinn tprmina!
47
XI
UryStai
OSCIIiaTOr
l
IVIn4/
lUiimcluuii
lci
imuai.
48
TEST
P
Input
Test
program.
49
DOLBY NR
Output
"H"
during
dolby
NR
ON.
50
METAL
Output
"H"
during
TAPE
mode
and
metal tape
detection.
51
PLAY
Output
"L"
during
PLAY
operation.
52
53
1
STBY
U
1
Output
Output
1
Input data
to
IC601 (PA3022).
I
2
—
l
0
are
motor
control
logic
output
terminals.
55
U
Output
56
1
MDO
I
Output
1
When
the
cassette
mechanism
status
changes,
a
strobe
is
outputed
for
the
status
detection key matrix.
58
MD2
Output
59
CM.
STOP
Output
Capstan
motor
stops
with "L".
60
1
MKO
1
Input
1
Cassette
mechanism
status
detection key input terminal.
63
MK3
Input
64
VSS
GND
1
s
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