KDC-1023/1023S/122/122S
MICROCOMPUTER'S TERMINAL DESCRIPTION
5
Pin No.
Name
I/O
Description
Processing Operation
43
B.U-DET
I
Back up detection terminal
H:power down L:B.U. on
44
ACC-DET
I
ACC detection terminal
H:ACC OFF L:ACC ON
45
PS1-0
O
Power supply IC SW1 control 0
Audio 8V,P-CON
46
PS1-1
O
Power supply IC SW1 control 1
Audio 8V,P-CON
47
PS1-2
O
Power supply IC SW1 control 2 P-ANT
Power supply IC SW2 control 0
48
PS2-0
O
ILL,FM,AM
Power supply IC SW2 control 1
49
PS2-1
O
ILL,FM,AM
50
BEEP
BEEP
H:Light on L:Light off
51
DSI
O
DSI control
When panel attached,output L
When panel detached,flashing at the panel (H/L)
FIX model is output L
52
NC
O
Not used (out put L)
53
NC
O
Not used (out put L)
54
LOE/LIM SW
I
CD mechanism down&limit detection
H:Chucking detection L:Normal
55
MO SW
O
CD mechanism loading motor control output
H:Loading,Eject,Break L:Play
56
LO/EJ
I/O
CD mechanism loading/Eject switching terminal H:Eject L:Loading
57
M-STOP
O
Stop output to the CD mechanism
H:Play L:Stop
58
M-RST
O
Reset output to the CD mechanism
H:Normal L:CD mechanism reset
59
M-MUTE
I
Mute input from the CD mechanism
H:mute off L:mute on
60
RESET
Reset input from the System microcomputer
61
REMO
I
Remote control input
62
R-CLK
I
RDS clock input
Except RDS model : output L
H:Changer detection
63
CH-REQC
I
Request input from the changer (new 5L)
L:Request
Except Changer model : output L
64
LOS SW
I
CD mechanism loading's switch detected
H:No disc
L:DISK IN(Loading Start)
65
KEY-REQ
I
Key input detected
H:Key no input
(11pin L connected to the DATA L)
L:Key input (edge key data reading start)
66
12EJE SW
I
12cm disc detected
L:12cm disc
67
Vss0
68
VDD1
69
X2
∆
3 MAIN X'tal oscillating circuit
∆
3 4.19MHz X'tal connection
70
X1
∆
3 MAIN X'tal oscillating circuit
∆
3 4.19MHz X'tal connection
71
IC
TEST
72
XT2
Not used
OPEN
73
XT1
74
VDD0
VDD
Connected to VDD
75
AVREF0
A/D converter reference voltage control output,
connection to the 80pin AVCONT
76
S-METER
I
S-meter input
77
NOISE
I
FM noise detection input
∆
3
2.5V or greater:NAVI MUTE
78
PHONE
I
2way mute
1.0V or less:TEL MUTE
Except phone mute model : output L
79
NC
O
Not used (out put L)
80
AVCONT
O
A/D converter standard voltage control output
H:During A/D converter active
same timing with PON
BA4911 SW1
Power supply IC output
PS1-2
PS1-1
PS1-0
A8V
P-CON
P-ANT
L
L
L
STANBY
L
L(H)
H(L)
ON
OFF
OFF
L
H
H
ON
ON
OFF
H
H
H
ON
ON
ON
BA4911 SW2
Power supply IC output
PS2-1
PS2-0
ILLUMI
FM
AM
L
L
STANBY
L
(
H
)
H
(
L
)
ON
ON
OFF
H
H
ON
OFF
ON
