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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No.
Name
43
B.U-DET
44
ACC-DET
45
PS1-0
46
PS1-1
47
PS1-2
48
PS2-0
49
PS2-1
50
BEEP
51
DSI
52
NC
53
NC
54
LOE/LIM SW
55
MO SW
56
LO/EJ
57
M-STOP
58
M-RST
TE
L 13942296513
59
M-MUTE
60
RESET
61
REMO
62
R-CLK
63
CH-REQC
64
LOS SW
65
KEY-REQ
66
12EJE SW
67
Vss0
68
VDD1
69
X2
70
X1
71
IC
72
XT2
73
XT1
74
VDD0
75
AVREF0
76
S-METER
77
NOISE
www
78
PHONE
79
NC
.
80
AVCONT
I/O
Description
I
Back up detection terminal
I
ACC detection terminal
Power supply IC SW1 control 0
O
Audio 8V,P-CON
Power supply IC SW1 control 1
O
Audio 8V,P-CON
O
Power supply IC SW1 control 2 P-ANT
Power supply IC SW2 control 0
O
ILL,FM,AM
Power supply IC SW2 control 1
O
ILL,FM,AM
BEEP
O
DSI control
O
Not used (out put L)
O
Not used (out put L)
I
CD mechanism down&limit detection
O
CD mechanism loading motor control output
I/O
CD mechanism loading/Eject switching terminal H:Eject L:Loading
O
Stop output to the CD mechanism
O
Reset output to the CD mechanism
I
Mute input from the CD mechanism
Reset input from the System microcomputer
I
Remote control input
I
RDS clock input
I
Request input from the changer (new 5L)
I
CD mechanism loading's switch detected
Key input detected
I
(11pin L connected to the DATA L)
I
12cm disc detected
∆3 MAIN X'tal oscillating circuit
∆3 MAIN X'tal oscillating circuit
TEST
Not used
VDD
A/D converter reference voltage control output,
connection to the 80pin AVCONT
I
S-meter input
I
FM noise detection input
I
2way mute
x
ao
u163
y
O
Not used (out put L)
i
O
A/D converter standard voltage control output
KDC-3023R,4024/V/Y/YV
2 9
8
H:power down L:B.U. on
H:ACC OFF L:ACC ON
PS1-2
L
L
L
H
H:Light on L:Light off
When panel attached,output L
When panel detached,flashing at the panel (H/L)
FIX model is output L
H:Chucking detection L:Normal
H:Loading,Eject,Break L:Play
H:Play L:Stop
H:Normal L:CD mechanism reset
Q Q
3
6 7
1 3
1 5
H:mute off L:mute on
Except RDS model : output L
H:Changer detection
L:Request
Except Changer model : output L
H:No disc
L:DISK IN(Loading Start)
H:Key no input
L:Key input (edge key data reading start)
L:12cm disc
∆3 4.19MHz X'tal connection
∆3 4.19MHz X'tal connection
OPEN
Connected to VDD
∆3
2.5V or greater:NAVI MUTE
1.0V or less:TEL MUTE
Except phone mute model : output L
co
H:During A/D converter active
.
same timing with PON
9 4
2 8
Processing Operation
BA4911 SW1
Power supply IC output
PS1-1
PS1-0
A8V
P-CON P-ANT
L
L
STANBY
L ( H )
H ( L )
ON
OFF
H
H
ON
ON
H
H
ON
ON
BA4911 SW2
Power supply IC output
PS2-1
PS2-0
ILLUMI
FM
L
L
STANBY
(
)
(
)
L
H
H
L
ON
ON
H
H
ON
OFF
0 5
8
2 9
9 4
2 8
m
9 9
OFF
OFF
ON
AM
OFF
ON
9 9
5
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