6
KDC-2031SA/2031SAY
KDC-2031SG/2031SGY
Pin No.
Active
Pin Name
I/O
Application
Processing Operation
(H/L)
61
NC
-
62
L
PON FL
O
VFD power supply ON
VFD ON : H, VFD OFF : L
TDF DET H (DSI blinks) : L, TDF DET L : H
63
KEY REQ
I
Communication request from VFD driver
L : Key input
64
NC
-
65
REMOTE
I
Remote control input
66
NC
-
67
VSS0
-
68
VDD1
-
69
X2
-
70
X1
-
71
TEST
-
72
XT2
-
73
XT1
-
74
VDD0
-
75
AVDD
-
76~78
TYPE 3~TYPE 1
I
Destination switch
79
NC
-
80
TUN SMETER
I
Tuner S-meter input
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
TRUTH TABLE
• TUN TYPE
TYPE 1
TYPE 2
General models commercially-designated as pure KENWOOD brand (Initial value)
L
L
• POWER SUPPLY IC (IC3) CONTROL
P-CON
P-ANT
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
H
H
H
ON
ON
ON
SEL2 (Pin No. 12)
PS1-1
PS2-2
AUDIO
SW5
AM
L
L
OFF
OFF
OFF
H
L
ON
ON
OFF
H
H
ON
ON
ON
• CD MECHA CONTROL OPERATION
CD LOEJ
CD MOTOR
CD MECHA OPERATION
L
H
Load
H
H
Eject
Hi-Z
L
Stop
Hi-Z
H
Brake
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9
2
8
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4
2
9
8
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
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