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KDC-5021/5021V,506
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3 7 63 1515 0
MICROCOMPUTER'S TERMINAL DESCRIPTION
(X25-) IC1 : u-COM
PORT
PORT NAME
No.
50
N/F SW
51
P MUTE
52
SVR
53
P STBY
54
ANT CONT
55
P CON
56
BU DET
57
ACC DET
58
DIMMER
59
-
60
RESET
61
EJECT
62
CH REQ C
63
R CLK
64
KEY REQ
65
12cm DISC
66
LOAD SW
67
VSS
68
VDD
69
X2
70
X1
71
TEST
TE
L 13942296513
72
XT2
73
XT1
74
VDD
75
AVDD
76
S METER
77
NOISE
78
PHONE
79
IFC
80
TYPE 2
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.
6
I/O
FUNCTION
O
Non-fader switch.
O
Power IC mute.
O
SVR control.
O
Power IC stand-by control.
O
Antenna control.
O
Power control.
I
Back-up detection.
I
ACC detection.
I
Dimmer detection.
-
-
I
System u-com reset.
I
Eject key.
I
Request from the changer.
I
RDS clock.
I
Panel key interruption.
I
12cm DISC detection switch.
I
Loading switch detection.
-
GND.
-
VDD.
-
Main clock.
I
mail clock.
I
Program power supply.
-
Sub clock.
I
Sub clock.
-
VDD.
-
Analogue VDD.
I
Tuner S-meter voltage.
I
Noise detection.
I
Phone detection.
I
IFC.
I
Destination switch.
x
ao
u163
y
i
2 9
8
OPERATING CONDITION
"H" : Rear. "L" : Front.
"L" : Power off, all off.
"H" : Discharging.
"H" : Power IC turns on.
"H" : Tuner or the traffic information turns on.
"H" : Power turns on.
"L" : Back-up effects.
"L" : ACC effects.
"L" : Dimmer turns off.
-
"L" : Reset.
"L" : Key turns on.
"L" : Requesting.
"L" : Model without RDS.
"L" : Key requesting.
"L" : 12cm disc exists.
"L" : Loading starts.
-
-
Oscillates during turning power on.
-
-
Q Q
3
6 7
1 3
1 5
-
-
-
-
-
-
TEL MUTE : Below 1V. NAVI MUTE : Over 2.5V.
"H" : Station signal exists.
-
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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